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 UNITED STATES

 SECURITIES AND EXCHANGE COMMISSION

 Washington, D.C. 20549

 FORM 10-K

 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 For the fiscal year ended December 31, 2023

 OR

 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 Commission file number: 001-36500

 CYMABAY THERAPEUTICS, INC.

 (Exact name of registrant as specified in its charter)

 Delaware

 94-3103561

 (State or other jurisdiction of

 incorporation or organization)

 (I.R.S. Employer

 Identification No.)

 7601 Dumbarton Circle

 Fremont
, CA

 94555

 (Address of principal executive offices)

 (Zip Code)

 ( 510) 293-8800

 (Registrant's telephone number, including area code)

 Securities registered pursuant to Section 12(b) of the Act:

 Title of each class

 Trading

 symbol(s)

 Name of each exchange

 on which registered

 Common stock, $0.0001 par value per share

 CBAY

 Nasdaq Global Select Market

 Securities registered pursuant to Section 12(g) of the Act:

 None

 Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes No

 Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes No

 Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes No

 Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T
 (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes No

 Large accelerated filer

 Accelerated filer

 Non-accelerated filer

 Smaller reporting company

 Emerging Growth Company

 If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

 Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.

 If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.

 Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to §240.10D-1(b).

 Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2
 of the Act). Yes No

 The aggregate market value of the voting and non-voting
 common equity held by non-affiliates
 of the registrant based upon the closing price of its Common Stock on the Nasdaq Global Select Market on June 30, 2023, was $ 954,563,272. This excludes 329,984 shares of the registrant's Common Stock held by executive officers, directors and stockholders affiliated with directors outstanding at June 30, 2023. Exclusion of such shares should not be construed to indicate that any such person possesses the power, direct or indirect, to direct or cause the direction of the management or policies of the registrant or that such person is controlled by or under common control with the registrant.

 The number of shares of common stock outstanding as of January 31, 2024 was 114,724,381.

 DOCUMENTS INCORPORATED BY REFERENCE

 Portions of the registrant's Proxy Statement for its 2024 Annual Meeting of Stockholders to be filed with the Securities and Exchange Commission within 120 days after the registrant's fiscal year ended December 31, 2023, are incorporated by reference in Part III, Items 10-14
 of this Annual Report on Form 10-K.

 C YMABAY T HERAPEUTICS, I NC.
 ANNUAL REPORT ON FORM 10-K
 For the Year Ended December 31, 2023

 Page

 Item 1. Business

 Item 1A. Risk Factors

 Item 1B. Unresolved Staff Comments

 Item 1C. Cybersecurity

 Item 2. Properties

 Item 3. Legal Proceedings

 Item 4. Mine Safety Disclosures

 Item 5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

 Item 6. [Reserved]

 Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations

 Item 7A. Quantitative and Qualitative Disclosures About Market Risk

 Item 8. Financial Statements and Supplementary Data

 Item 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure

 Item 9A. Controls and Procedures

 Item 9B. Other Information

 Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

 Item 10. Directors, Executive Officers and Corporate Governance

 Item 11. Executive Compensation

 Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

 Item 13. Certain Relationships and Related Transactions, and Director Independence

 Item 14. Principal Accountant Fees and Services

 Item 15. Exhibits and Financial Statement Schedules

 Item 16. Form 10-K Summary

 Signatures

 CAUTIONARY LANGUAGE REGARDING FORWARD-LOOKING STATEMENTS
 This Annual Report on Form 10-K contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, that are subject to the "safe harbor" created by those sections. Forward-looking statements are based on our management's beliefs and assumptions and on information currently available to our management. In some cases, you can identify forward-looking statements by terms such as "may," "will," "should," "could," "would," "expect," "plan," "anticipate," "believe," "estimate," "projected," "potential," "seek," "target," "goal," "intend," and similar expressions intended to identify forward-looking statements. These statements reflect the current views of CymaBay Therapeutics, Inc. ("CymaBay", the "Company", "we" or "us") with respect to future events and are based on assumptions and subject to risks and uncertainties, involve known and unknown risks, uncertainties and other factors that may cause our actual results, performance, time frames or achievements to be materially different from any future results, performance, time frames or achievements expressed or implied by the forward-looking statements. Forward-looking statements include, without limitation, statements regarding our proposed transaction with Gilead Sciences, Inc. ("Gilead") and Pacific Merger Sub, Inc., a wholly owned subsidiary of Gilead ("Purchaser"), consisting of a tender offer and subsequent merger of Purchaser with and into the Company, and other related matters. We discuss many of these risks, uncertainties and other factors in this Annual Report on Form 10-K in greater detail under the heading "Risk Factors." Given these risks, uncertainties and other factors, you should not place undue reliance on these forward-looking statements. Also, these forward-looking statements represent our estimates and assumptions only as of the date of this filing. You should read this Annual Report on Form 10-K completely and with the understanding that our actual future results may be materially different from what we expect. We hereby qualify our forward-looking statements by our cautionary statements. Except as required by law, we assume no obligation to update these forward-looking statements publicly, or to update the reasons actual results could differ materially from those anticipated in these forward-looking statements, even if new information becomes available in the future.
 In addition, statements that "we believe" or "we expect" and similar statements reflect our beliefs and opinions on the relevant subject. These statements are based on information available to us as of the date of this report. While we believe that information provides a reasonable basis for these statements, that information may be limited or incomplete. Our statements should not be read to indicate that we have conducted an exhaustive inquiry into, or review of, all relevant information. These statements are inherently uncertain, and readers are cautioned not to unduly rely on these statements.
 RISK FACTOR SUMMARY
 We are subject to a number of risks that if realized could materially harm our business, prospects, operating results, financial condition, and proposed transaction with Gilead. Some of the more significant risks and uncertainties we face include those summarized below. The summary below is not exhaustive and is qualified by reference to the full set of risk factors set forth in Item 1A of this Form 10-K "Risk Factors." Please carefully consider all the information in this Form 10-K, including the full set of risks set forth in the "Risk Factors" section, and in our other filings with the U.S. Securities and Exchange Commission (the "SEC") before making an investment decision regarding CymaBay.
 Risks Related to the Proposed Transaction with Gilead

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 There are uncertainties as to the timing of the tender offer and subsequent merger, including the risk that the tender offer or subsequent merger may not be completed in a timely manner or at all.

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 Our ability to complete the merger is subject to certain closing conditions that could adversely affect us or cause the merger to be abandoned.

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 The occurrence of certain events, changes or other circumstances could give rise to the termination of the merger agreement, including in circumstances which would require us to pay a termination fee or other expenses.

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 The announcement or pendency of the proposed transaction may result in disruptions to our business, divert management's attention and/or disrupt our relationships with third parties and employees, any of which could negatively impact our operating results and ongoing business.

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 Stockholder litigation in connection with the transactions contemplated by the Merger Agreement may result in significant costs of defense, indemnification and liability.

 Risks Related to Our Financial Condition and Capital Requirements

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 We have incurred significant net losses since our inception and anticipate that we will continue to incur significant losses for the foreseeable future. We may need to raise additional equity and/or debt capital to fund our continued operations, including clinical trials, commercialization activities and other product development. In the event we do not successfully raise sufficient funds to finance our operations, we will curtail our activities commensurate with the magnitude of the shortfall or our operations may cease altogether.

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 Failure to remain in compliance with our obligations under the Development Financing Agreement with Abingworth could lead to acceleration of potentially significant payments to Abingworth.

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 Our ability to generate future revenues from product sales is uncertain and depends upon our ability to successfully develop, obtain regulatory approval for, and commercialize product candidates, including most importantly, seladelpar.

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 Raising additional capital may cause dilution to our existing stockholders, restrict our operations or require us to relinquish rights to our technologies or product candidates.

 Risks Related to Clinical Development and Regulatory Approval

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 Drug development and obtaining and maintaining regulatory approval for drug products is costly, time-consuming, and highly uncertain.

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 Serious complications or side effects in connection with the use or development of our product candidates could lead to delay or discontinuation of development of our product candidates.

 Risks Related to Our Reliance on Third Parties

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 Our manufacturing partners and other service providers, including contract research organizations and contract manufacturers, may fail to perform adequately in their efforts to support the development, manufacture, and commercialization of our drug candidates and future products.

 Risks Related to Commercialization of Our Product Candidates

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 We have never successfully commercialized a product. If any of our product candidates receive marketing approval, they may nonetheless be unable to gain sufficient market acceptance by physicians, patients, health care payors and others in the medical community.

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 If we are unable to establish sales and marketing capabilities or enter into agreements with third parties to market and sell our products, we may be unable to generate any revenue.

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 The commercial success of our products is subject to significant competition from products that may be superior to, more cost effective than, or have been available in the market longer than, our products.

 Risks Related to Our Intellectual Property

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 We may not be able to protect the confidentiality of our trade secrets, and our patents or other means of defending our intellectual property may be insufficient to protect our proprietary rights.

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 Patents or proprietary rights of others may restrict our development, manufacturing, and/or commercialization efforts and subject us to litigation and other proceedings that could find us liable for damages.

 Other Risks Factors – Risks Related to Employees, Information Technology, and Owning Our Common Stock

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 Our business is dependent on our key personnel and will be harmed if we cannot recruit and retain leaders in our development, administrative, and commercial organizations.

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 Significant disruptions of information technology systems or breaches of data security could adversely affect our business.

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 Changes in and failures to comply with United States and foreign privacy and data protection laws, regulations and standards may adversely affect our business, operations and consolidated financial performance.

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 Future sales and issuances of our common stock or rights to purchase common stock, including pursuant to our equity incentive plans, could result in additional dilution of the percentage ownership of our stockholders and could cause our stock price to fall.

 Item 1. Business
 Overview
 We are a clinical-stage biopharmaceutical company focused on developing innovative therapies for patients with liver and other chronic diseases with high unmet medical need.
 Our lead product candidate, seladelpar, is a potent and selective agonist of peroxisome proliferator activated receptor delta (PPAR d), a nuclear receptor that regulates genes directly or indirectly involved in the synthesis of bile acids/sterols, metabolism of lipids and glucose, inflammation and fibrosis. We are focused on developing seladelpar for the treatment of primary biliary cholangitis (PBC), an autoimmune disease that causes progressive destruction of the bile ducts in the liver resulting in impaired bile flow (cholestasis) and inflammation.
 We reported net losses of approximately $105.4 million, $106.0 million, and $90.0 million for the years ended December 31, 2023, 2022, and 2021, respectively. As of December 31, 2023, we had cash, cash equivalents and marketable securities totaling $416.2 million.
 Pending Acquisition by Gilead
 On February 11, 2024, we entered into an Agreement and Plan of Merger (the "Merger Agreement") with Gilead and Purchaser. The Merger Agreement provides for the acquisition of the Company by Gilead in a two-step all cash transaction, consisting of a tender offer (the "Offer"), followed by a subsequent merger of Purchaser with and into the Company (the "Merger" and, together with the Offer and the other transactions contemplated by the Merger Agreement, the "Transactions"), with the Company continuing as the surviving corporation.
 On February 23, 2024, Purchaser commenced the Offer for all of the Company's issued and outstanding shares of common stock, par value $0.0001 per share ("Shares"), other than any Shares owned by the Company (including those held in the Company's treasury), Gilead or Purchaser ("Excluded Shares"), at a purchase price of $32.50 per Share (the "Offer Price"), net to the seller in cash, without interest and subject to any required withholding of taxes. The Offer will initially remain open until March 21, 2024 (unless otherwise agreed to in writing by Gilead and us), which period may be extended for additional periods of up to 10 business days per extension (or such other duration as may be agreed to in writing by the Company and Gilead) to permit the conditions to the Offer to be satisfied.
 The obligation of Purchaser to accept for payment Shares validly tendered pursuant to the Offer is subject to customary closing conditions, including: (i) Shares having been validly tendered and not validly withdrawn that, considered together with all other Shares (if any) beneficially owned by Gilead and its affiliates, represent one more Share than 50% of the total number of Shares outstanding at the time of the expiration of the Offer (including, for the avoidance of doubt, all Shares that become outstanding as a result of the "cashless exercise" of the outstanding pre-funded warrants of the Company, as described below); (ii) the accuracy of the Company's representations and warranties contained in the Merger Agreement (subject to any applicable Material Adverse Effect (as defined in the Merger Agreement) and materiality qualifiers); (iii) the absence of a willful and material breach by the Company of the "no-shop" restrictions described in the Merger Agreement and the Company's performance of its other obligations, covenants and agreements under the Merger Agreement in all material respects; (iv) the absence, since the date of the Merger Agreement, of any Material Adverse Effect; (v) the expiration or early termination of the waiting period applicable to the Offer under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), and if Gilead and the Company have entered into an agreement with any governmental body regarding the timing of the consummation of the Offer, such consummation being permitted under such agreement and (vi) the absence of any judgment, temporary restraining order, preliminary or permanent injunction or other order, decree or ruling restraining, enjoining or otherwise preventing the acquisition of or payment for Shares pursuant to the Offer or the consummation of the Offer or the Merger or subsequent integration.

 As soon as practicable following the acceptance of the Shares validly tendered and not validly withdrawn pursuant to the Offer (the time of such acceptance, the "Offer Acceptance Time") and the consummation of the Offer, subject to the satisfaction or waiver of certain customary conditions set forth in the Merger Agreement, the Merger will be effected under Section 251(h) of the Delaware General Corporation Law, as amended ("DGCL"), without a meeting or vote of the Company's stockholders.
 At the effective time of the Merger (the "Effective Time"), each issued and outstanding Share, other than any Excluded Shares, any Shares irrevocably accepted for purchase pursuant to the Offer ("Tendered Shares") or any Dissenting Shares (as defined in the Merger Agreement), will be converted into the right to receive the Offer Price (the "Merger Consideration"), in cash, without interest and subject to any required withholding of taxes.
 At the Effective Time, each stock option to purchase Shares that is then outstanding and unexercised, whether or not vested and which has a per-share exercise price that is less than the Merger Consideration, will be automatically canceled and converted into the right to receive a lump-sum cash payment equal to (i) the excess of (a) the Merger Consideration over (b) the exercise price payable per Share under such stock option, multiplied by (ii) the total number of Shares subject to such stock option immediately prior to the Effective Time.
 At the Effective Time, each restricted stock unit award with respect to Shares that is then outstanding will be automatically canceled and converted into the right to receive a lump-sum cash payment equal to the product, rounded to the nearest cent, of (i) the number of Shares subject to such restricted stock unit award as of the Effective Time and (ii) the Merger Consideration.
 At the Offer Acceptance Time, each pre-funded warrant of the Company to purchase Shares that is outstanding immediately prior to the Effective Time will automatically be deemed to be exercised in full in a "cashless exercise" pursuant to the warrant agreement to which such warrant is subject. At the Effective Time, holders of Shares issued pursuant to such "cashless exercise" of the Company Warrants in accordance with the applicable warrant agreements and the Merger Agreement shall become entitled to the Merger Consideration as described above in respect of Shares other than the Excluded Shares, the Tendered Shares and any Dissenting Shares.
 The Merger Agreement contains certain termination rights for the Company and Gilead. Upon termination of the Merger Agreement under specified circumstances, the Company will be required to pay Gilead a termination fee in the amount of $151.6 million.
 For additional information related to the Merger Agreement, please refer to the relevant materials (including the Solicitation/Recommendation Statement on Schedule 14D-9) that we have filed and will file with the SEC and that will contain important information about the Company and the Transactions.
 Strategy
 Our goal is to become a leading biopharmaceutical company focused on developing innovative therapies for patients with liver and other chronic diseases with high unmet medical need. Key elements of our strategy are to:

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 Advance clinical development of seladelpar for patients with PBC,

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 Obtain regulatory approval and commercialize seladelpar for patients with PBC,

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 Strengthen our patent portfolio and other means of protecting exclusivity, and

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 Acquire or develop other products or product candidates.

 Seladelpar in PBC
 In December 2023, we submitted a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for seladelpar, our investigational treatment for the management of PBC, including

pruritus in adults without cirrhosis or with compensated cirrhosis (Child Pugh A) who are inadequate responders or intolerant to ursodeoxycholic acid (UDCA). In February 2024, we announced that (i) the FDA accepted our NDA for seladelpar and granted a priority review and set a Prescription Drug User Fee Act (PDUFA) target action date of August 14, 2024 and notified us that it is not currently planning to hold an advisory committee meeting to discuss the application, (ii) the U.K. Medicines and Healthcare products Regulatory Agency accepted for filing the application of the Company for approval of seladelpar for treatment of PBC, including pruritus, in early February 2024 and (iii) the Company submitted a similar application for the approval of seladelpar for the treatment of PBC, including pruritus, with the European Medicines Agency, in early February 2024. Previously, seladelpar was granted Breakthrough Therapy Designation by the FDA in 2019 and in October 2023, the FDA revised the Breakthrough Therapy Designation in recognition of clinical data that indicated seladelpar may provide meaningful improvement over existing therapy based on a reduction in alkaline phosphatase (ALP) and improvement in pruritus in patients without cirrhosis or with compensated cirrhosis.
 Phase 3 Trials
 In September 2023, we announced top line results from our Phase 3 RESPONSE study. RESPONSE was a double-blind, placebo-controlled, global study of one-year duration that randomized 193 PBC patients in a 2:1 ratio to seladelpar 10 mg or placebo, once daily. The study evaluated the safety and efficacy of seladelpar for the treatment of PBC. RESPONSE met its primary and two key secondary endpoints with high statistical significance.
 We are also continuing our global long-term extension study (ASSURE) to evaluate seladelpar in patients with PBC that is intended to collect additional long-term safety and efficacy data to support registration. We have enrolled over 300 patients in ASSURE.
 In August 2023, we announced the initiation of the IDEAL study, a 52-week, placebo-controlled, randomized, Phase 3 study. The IDEAL study aims to enroll 150 patients globally with PBC who have an incomplete response or intolerance to ursodeoxycholic acid (UDCA), in each case with ALP greater than the upper limit of normal (ULN) but less than 1.67xULN, and total bilirubin less than or equal to 2xULN. Patients will be randomly assigned using a 2:1 ratio to oral, once daily seladelpar 10 mg or placebo. The primary outcome measure is the normalization greater than or equal to a 15% decrease in ALP at 52 weeks and a key secondary endpoint evaluating the change in pruritus Numerical Rating Scale (NRS) at six months in subjects with moderate to severe pruritus at baseline.
 In September 2023, we announced the initiation of the AFFIRM study, a randomized, placebo-controlled confirmatory study to evaluate the effect of seladelpar on clinical outcomes in patients with compensated cirrhosis due to PBC. The AFFIRM study is planned to enroll approximately 192 patients with PBC who have compensated cirrhosis (Child-Pugh A or Child-Pugh B) based on prespecified clinical criteria. Patients will be randomly assigned using a 2:1 ratio to oral, once daily seladelpar or placebo for a fixed duration of three years. The primary outcome measure is the time from start of treatment to the first occurrence of clinical events (all-cause death, liver transplant, hospitalization for other serious liver-related events, and progression to Child-Pugh C decompensated cirrhosis). Additional key outcomes include overall survival, liver transplant-free survival, and time to hospitalization for serious liver-related events.

 CymaBay Product Overview
 We are primarily focused on developing our lead product candidate, seladelpar (a PPAR d agonist).

 Product
 Candidate

 Disease/condition

 Status

 Seladelpar
 (MBX-8025, a PPAR d agonist)

 Primary Biliary Cholangitis (PBC)

 NDA accepted in February 2024 with PDUFA target action date of August 14, 2024; U.K. MHRA application accepted for filing in February 2024; Submitted application to EMA in February 2024; Ongoing Phase 3 trials

 Seladelpar (MBX-8025)
 Summary
 Seladelpar is a selective agonist for the peroxisome proliferator-activated receptor delta (PPAR d). The PPAR d receptor is a nuclear receptor that regulates genes involved in bile acid/sterol, lipid, and glucose metabolism, and regulation of certain inflammatory cells. Seladelpar has the potential to treat certain diseases of the liver and a variety of disorders of lipid metabolism.
 Seladelpar was initially developed for treatment of mixed dyslipidemia, which is characterized by elevated low-density lipoprotein (LDL-C) and triglycerides (TGs). Results from our Phase 2 clinical study of seladelpar in patients with mixed dyslipidemia established effects that we believe have the potential to benefit patients affected with PBC and other conditions. These benefits include:

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 Reductions in LDL-C and total cholesterol, and increases in high-density-lipoprotein (HDL-C),

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 Reductions in triglycerides and free fatty acids,

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 Reductions in high-sensitivity C-reactive protein (hs-CRP), a marker of inflammation, and

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 Reductions in alkaline phosphatase (ALP) and gamma-glutamyl transferase (GGT).

 In February 2024, we announced that (i) the FDA accepted our NDA for seladelpar and granted a priority review and set a Prescription Drug User Fee Act (PDUFA) target action date of August 14, 2024 and notified us that it is not currently planning to hold an advisory committee meeting to discuss the application, (ii) the U.K. Medicines and Healthcare products Regulatory Agency accepted for filing the application of the Company for approval of seladelpar for treatment of PBC, including pruritus, in early February 2024 and (iii) the Company submitted a similar application for the approval of seladelpar for the treatment of PBC, including pruritus, with the European Medicines Agency, in early February 2024. We submitted a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) in December 2023 for seladelpar for the management of PBC, including pruritus in adults without cirrhosis or with compensated cirrhosis (Child Pugh A) who are inadequate responders or intolerant to ursodeoxycholic acid (UDCA). In February 2019, the United States Food and Drug Administration (FDA) granted seladelpar Breakthrough Therapy Designation for the treatment of early stage PBC and in October 2023, the Breakthrough Therapy Designation was revised to the recognition of clinical data that indicated seladelpar may provide meaningful improvement over existing therapy based on a reduction in alkaline phosphatase (ALP) and improvement in pruritus in patients without cirrhosis or with compensated cirrhosis. In November 2016, the FDA granted orphan drug designation to seladelpar for the treatment of PBC. In October 2016, seladelpar received the European Medicines Agency (EMA) PRIority Medicines (PRIME) designation for the treatment of PBC. In September 2017, EMA's Committee for Orphan Medicinal Products (COMP) granted orphan drug designation to seladelpar for the treatment of PBC.
 To date, we have completed six-month and twelve-month toxicity studies of seladelpar in rats and monkeys, respectively, as well as two-year carcinogenicity studies in mice and rats. In addition, we have completed

multiple Phase 1 clinical studies, three Phase 2 and two Phase 3 clinical studies (ENHANCE and RESPONSE) of seladelpar in PBC. In addition, we are in the process of conducting two additional Phase 3 studies (AFFIRM and IDEAL) with seladelpar in PBC and a Phase 3 long-term extension study (ASSURE) of seladelpar in PBC patients. We believe that the data from the Phase 2 and 3 studies established seladelpar's anti-cholestatic and anti-inflammatory effects and identified a dose (10 mg/day) that has the potential to offer patients improved efficacy and better tolerability over the only approved second-line treatment available today. Those studies showed reductions in markers of cholestasis including ALP and GGT and showed improved inflammatory and metabolic markers with patients experiencing decreases in levels of transaminases, hs-CRP, and LDL-C. Many PBC patients suffer from pruritus, or itching, which can significantly impact their quality of life. Based on data from our completed Phase 2 and Phase 3 studies, and unlike the only approved second-line treatment currently available, we believe that seladelpar may reduce the incidence and severity of pruritus in PBC patients.
 Target Indication for Seladelpar
 We are actively pursuing PBC as our initial launch indication for seladelpar, if approved. We may look to develop seladelpar in other indications in the future. Following is a review of our clinical development progress for seladelpar in PBC.
 Primary Biliary Cholangitis (PBC)
 Summary
 PBC is a rare, chronic, progressive, autoimmune liver disease that predominantly affects middle-aged women. A T-cell mediated immune response is thought to damage, and ultimately destroy, the interlobular and septal bile ducts. The loss of bile duct function leads to decreased bile secretion and retention of toxic substances, including bile acids, within the liver parenchyma. This retention may ultimately cause liver cirrhosis and liver failure in PBC patients.
 PBC primarily affects an estimated one in 1,000 women over the age of 40. Due to its low prevalence, PBC has been recognized as an orphan disease in the U.S. and E.U., meeting their respective FDA and EMA orphan designation criteria. Diagnosis of PBC is confirmed by elevated serum ALP presence and/or the magnitude of antimitochondrial antibody (AMA presence) and liver biopsies, although biopsies are not required for diagnosis in most patients.
 The most common clinical symptoms of PBC include fatigue and pruritus (or itching (up to 70% occurrence)), which adversely affects many patients' quality of life. PBC patients are also frequently affected by conditions including jaundice, hyperlipidemia (notably hypercholesterolemia), hypothyroidism, osteopenia and osteoporosis, and coexisting autoimmune diseases. Late complications of PBC include portal hypertension, malabsorption, deficiencies of fat-soluble vitamins, and steatorrhea (excess fat in feces). Left untreated, or without sufficient treatment, PBC disease progression can lead to the need for liver transplantation and liver-related mortality. Despite being a rare disease, PBC is one of the top six indications for liver transplantation in the U.S. and E.U. Recurrence of PBC following liver transplantation is reported in 11-46% of transplantations, with an estimated prevalence of 30% at 10 years following transplantation, further demonstrating a need for effective therapies.
 Retrospective analyses of PBC clinical outcomes data have shown that elevated levels of ALP and bilirubin are associated with worsened clinical outcomes including liver transplantation and death associated with PBC. These analyses supported the use of ALP and bilirubin as elements of a clinical surrogate reasonably likely to predict outcomes that was used for the approval of obeticholic acid as a second line therapy for PBC. The current first line therapy for PBC is ursodeoxycholic acid (UDCA), a secondary bile acid.

 Studies of Seladelpar in PBC
 RESPONSE (Phase 3)
 In July 2022, we completed enrollment of our global, Phase 3 registration study (RESPONSE) to evaluate seladelpar in patients with PBC. The Phase 3 study was a 52-week, double blind, placebo-controlled, randomized, global, registration study evaluating the safety and efficacy of seladelpar in patients with PBC. The study enrolled 193 patients who had an inadequate response to, or intolerance to, UDCA, in a 2:1 randomization to oral, once daily seladelpar 10 mg or placebo.
 In September 2023, we announced top line results from RESPONSE. The trial achieved the primary and all key secondary endpoints. A total of 61.7% of patients on seladelpar 10 mg (n=128) met the primary composite endpoint related to serum alkaline phosphatase and bilirubin at 12 months versus 20.0% on placebo (n=65; p<0.0001). Alkaline phosphatase at 12 months (key secondary endpoint) normalized in 25.0% of patients on seladelpar vs. zero on placebo (p<0.0001). The least-squares mean percent reduction in alkaline phosphatase at 12 months was 42.4% in the seladelpar group vs. 4.3% in the placebo group (p<0.0001). Seladelpar treatment compared to placebo also demonstrated a statistically significant reduction in pruritus, or itch (key secondary endpoint), after six months of treatment. Seladelpar-treated patients with a baseline Numerical Rating Scale (NRS) > 4 (moderate to severe pruritus) had a least-square mean reduction of 3.2 points in pruritus NRS (n=49) compared to 1.7 points for patients in the placebo group (n=23; p<0.005). Overall, the safety profile was comparable between placebo and seladelpar groups and was consistent with previous studies. Treatment-emergent adverse events, serious adverse events, and patient discontinuations were generally balanced across the treatment and placebo arms. There were no treatment-related serious adverse events in the study. Seladelpar's tolerability profile appeared favorable and consistent with previous studies.
 ENHANCE (Phase 3)
 In October 2018 we commenced a global, Phase 3 registration study (ENHANCE) to evaluate seladelpar in patients with PBC. ENHANCE was a double-blind, randomized, placebo-controlled 52-week study evaluating the safety and efficacy of 5 mg and 10 mg of seladelpar versus placebo in patients with PBC who had an inadequate response to, or were intolerant to, first-line treatment with UDCA.
 Approximately 265 patients were randomized to receive placebo, 5 mg of seladelpar, or 10 mg of seladelpar. The primary endpoint was a composite response, defined as a patient achieving an ALP level below 1.67 times the upper limit of normal, with at least a 15% reduction from baseline, and a normal total bilirubin at 52 weeks. Key secondary endpoints were the ALP normalization rate and changes from baseline in pruritus, as measured by NRS in patients with moderate-to-severe pruritus at baseline.
 In December 2019 we terminated ENHANCE early, based on initial histological observations obtained in our Phase 2b study of seladelpar in nonalcoholic steatohepatitis (NASH). In May 2020, we announced completion of an independent expert panel review into the NASH findings that concluded the data, in aggregate, did not support liver injury related to seladelpar. In June 2020, we discussed the data, the panel's conclusions, and other matters with the FDA. In July 2020, the FDA lifted the clinical hold on the program and we reinstated clinical development of seladelpar in PBC.
 In August 2020 we announced positive results from ENHANCE, which we believe support seladelpar as a safe, well-tolerated, and efficacious treatment for patients with PBC. Although the study was terminated prior to the completion of the 52-week treatment period, the statistical analysis plan was amended while the study remained blinded to adjust for evaluation of the primary and two key secondary endpoints at Week 12 rather than Week 52. Topline data for patients through 12 and to 26 weeks showed what we believe to be robust anti-cholestatic, anti-inflammatory and anti-pruritic activity of seladelpar. Specifically, 78.2% of patients on 10 mg of seladelpar compared with 12.5% on placebo achieved the primary composite outcome after 3 months (p<0.0001), and 27.3% of patients on 10 mg of seladelpar compared with 0% on placebo normalized ALP by 3 months

(p<0.0001). In addition, the study revealed statistically significant improvement in change from baseline in pruritus at 3 months (p<0.05) for patients with moderate-to-severe itch treated with seladelpar 10 mg versus placebo.
 ASSURE (Phase 3)
 We are continuing our global long-term extension study (ASSURE) to evaluate seladelpar in patients with PBC. ASSURE is intended to collect additional long-term safety and efficacy data to support registration. ASSURE is open to patients from our prior Phase 2 open label study, our Phase 3 ENHANCE and RESPONSE studies, as well as certain Phase 1 studies. The ASSURE trial is ongoing and we have enrolled over 300 patients.
 IDEAL (Phase 3)
 In August 2023, we announced the initiation of the IDEAL study, a Phase 3, 52-week, placebo-controlled, randomized study that aims to enroll 150 patients globally with PBC who have an incomplete response or intolerance to ursodeoxycholic acid (UDCA), in each case with ALP greater than the upper limit of normal (ULN) but less than 1.67xULN, and total bilirubin less than or equal to 2xULN. Patients will be randomly assigned using a 2:1 ratio to oral, once daily seladelpar 10 mg or placebo. The primary outcome measure is the normalization greater than or equal to a 15% decrease in ALP at 52 weeks and a key secondary endpoint evaluating the change in pruritus Numerical Rating Scale (NRS) at six months in subjects with moderate to severe pruritus at baseline.
 AFFIRM (Phase 3)
 In September 2023, we announced the initiation of the AFFIRM study, a randomized, placebo-controlled confirmatory study to evaluate the effect of seladelpar on clinical outcomes in patients with compensated cirrhosis due to PBC. The AFFIRM study plans to enroll approximately 192 patients with PBC who have compensated cirrhosis (Child-Pugh A or Child-Pugh B) based on prespecified clinical criteria. Patients will be randomly assigned using a 2:1 ratio to oral, once daily seladelpar or placebo for a fixed duration of three years. The primary outcome measure is the time from start of treatment to the first occurrence of clinical events (all-cause death, liver transplant, hospitalization for other serious liver-related events, and progression to Child-Pugh C decompensated cirrhosis). Additional key outcomes include overall survival, liver transplant-free survival, and time to hospitalization for serious liver-related events.
 Safety Studies
 Prior to the decision to terminate the ENHANCE study in December 2019, we were conducting a long-term safety study of seladelpar, which was open to patients who had participated in other company-sponsored PBC studies. The safety study was discontinued due to the histological observations in the Phase 2b NASH study. With the reinstatement of the clinical development of seladelpar in 2020, we commenced the ASSURE study and those patients previously on the long-term safety study became eligible to enroll into ASSURE.
 Phase 2 Open Label Study
 In December 2016, we initiated a Phase 2 study of seladelpar in patients with PBC. The study was an open label, randomized, dose-ranging study evaluating 2 mg, 5 mg and 10mg doses of seladelpar and the primary efficacy endpoint was percent change in ALP from baseline. The study had an initial twelve-week period in which starting doses were maintained, but after which doses could be increased to as high as 10 mg for those patients in which a greater biochemical response was deemed appropriate, these being described as titration groups. Secondary outcomes included the evaluation of other markers of cholestasis, inflammation, and lipid parameters, as well as clinical symptoms such as pruritus and quality of life.

 In November 2018 we announced data from the study that we believe showed that seladelpar treatment led to sustained anti-cholestatic and anti-inflammatory effects with no worsening of pruritus through 52 weeks. Specifically, at 52 weeks the mean decreases in ALP were -47% and -46% in the 5/10 titration and 10 mg groups, respectively. A key secondary outcome was the composite response measured at week 52 where a responder was defined as a patient with ALP <1.67 x ULN, 15% decrease in ALP, and total bilirubin ULN. At 52 weeks 59% and 71% of patients met the composite endpoint in the 5/10 titration and 10 mg groups, respectively. The anti-cholestatic effect of seladelpar was further substantiated with ALP normalization at 52 weeks in 24% and 29% of patients in the 5/10 titration and 10 mg groups, respectively. Treatment with seladelpar also demonstrated a robust anti-inflammatory activity with median transaminase decreases of -31% and -33% in the 5/10 titration and 10 mg groups, respectively.
 We subsequently reported on a 52-week analysis from the study on the effect of seladelpar on pruritus, or itching, which is a common clinical symptom of PBC that adversely effects a patient's quality of life. Patient self-reported experiences were collected using the pruritus visual analogue scale (VAS) in 101 PBC patients in the 5/10 titration or 10 mg groups. In patients with moderate to severe pruritus (VAS 40), substantial improvement in pruritus (VAS 20-point decrease) was seen in 58% and 93% of patients in the 5/10 titration and 10 mg groups, respectively. These data suggest that seladelpar is not associated with drug-induced pruritus and supported further evaluation of seladelpar's potential benefit on pruritus.
 MBX-2982
 MBX-2982 targets G protein-coupled receptor 119 (GPR119), a receptor that interacts with bioactive lipids known to stimulate glucose-dependent insulin secretion. In November 2020, we announced a Phase 2a proof-of-pharmacology study led by AdventHealth Translational Research Institute and funded by the Leona M. and Harry B. Helmsley Charitable Trust to evaluate MBX-2982 in subjects with type 1 diabetes (T1D). The study assessed whether MBX-2982 enhanced glucagon secretion during insulin-induced hypoglycemia in subjects with T1D. In November 2023, we announced that while the study found that MBX-2982 demonstrated pharmacodynamic action, it did not demonstrate the pharmacology needed to benefit the T1D population as there was no change in glucagon secretion during clamps in subjects with T1D dosed with MBX-2982 versus placebo. We are not planning any further studies with MBX-2982.
 Significant Agreements and Intellectual Property
 General
 We actively seek to obtain, where appropriate, patent protection and regulatory exclusivity for the proprietary technology that we consider important to our business, including compounds, compositions and formulations, their methods of use and processes for their manufacture both in the United States and other countries. We also rely on trade secrets, know-how, continuing technological innovation and in-licensing to develop and maintain our proprietary position. Our success depends in part on our ability to obtain, maintain and enforce proprietary protection for our product candidates, technology and know-how, to operate without infringing the proprietary rights of others, and to exclude others from infringing our proprietary rights. However, patent protection may not afford us complete protection against competitors who seek to circumvent our patents.
 We also depend upon the skills, knowledge, experience and know-how of our management, research and development personnel, as well as that of our advisors, consultants and other service providers. To help protect our proprietary know-how, which is not patentable, and for inventions for which patents may be difficult to enforce, we currently rely, and will in the future rely, on trade secret protection and confidentiality agreements to protect our interests. To this end, we require all our employees, consultants, advisors and other service providers to enter into confidentiality agreements that prohibit the disclosure of confidential information and, where applicable, require disclosure and assignment to us of the ideas, developments, discoveries and inventions important to our business.

 Significant Agreements
 Our current significant arrangements are summarized below:
 Merger Agreement with Gilead and Purchaser: On February 11, 2024, we entered into the Merger Agreement with Gilead and Purchaser, which provides for the acquisition of the Company by Gilead in a two-step all cash transaction, consisting of the Offer, followed by the Merger, with the Company continuing as the surviving corporation.
 On February 23, 2024, Purchaser commenced the Offer for all of the Company's Shares, other than any Excluded Shares, at the Offer Price, net to the seller in cash, without interest and subject to any required withholding of taxes. The Offer will initially remain open until March 21, 2024 (unless otherwise agreed to in writing by Gilead and us), which period may be extended for additional periods of up to 10 business days per extension (or such other duration as may be agreed to in writing by the Company and Gilead) to permit the conditions to the Offer to be satisfied.
 The obligation of Gilead to accept for payment Shares validly tendered pursuant to the Offer is subject to customary closing conditions, including: (i) Shares having been validly tendered and not validly withdrawn that, considered together with all other Shares (if any) beneficially owned by Gilead and its affiliates, represent one more Share than 50% of the total number of Shares outstanding at the time of the expiration of the Offer (including, for the avoidance of doubt, all Shares that become outstanding as a result of the "cashless exercise" of the outstanding pre-funded warrants of the Company, as described below); (ii) the accuracy of the Company's representations and warranties contained in the Merger Agreement (subject to any applicable Material Adverse Effect (as defined in the Merger Agreement) and materiality qualifiers); (iii) the absence of a willful and material breach by the Company of the "no-shop" restrictions described in the Merger Agreement and the Company's performance of its other obligations, covenants and agreements under the Merger Agreement in all material respects; (iv) the absence, since the date of the Merger Agreement, of any Material Adverse Effect; (v) the expiration or early termination of the waiting period applicable to the Offer under the HSR Act and if Gilead and the Company have entered into an agreement with any governmental body regarding the timing of the consummation of the Offer, such consummation being permitted under such agreement and (vi) the absence of any judgment, temporary restraining order, preliminary or permanent injunction or other order, decree or ruling restraining, enjoining or otherwise preventing the acquisition of or payment for Shares pursuant to the Offer or the consummation of the Offer or the Merger or subsequent integration.
 As soon as practicable following the acceptance of the Shares validly tendered and not validly withdrawn pursuant to the Offer and the consummation of the Offer, subject to the satisfaction or waiver of certain customary conditions set forth in the Merger Agreement, the Merger will be effected under Section 251(h) of the DGCL without a meeting or vote of the Company's stockholders.
 At the Effective Time, each issued and outstanding Share, other than any Excluded Shares, any Tendered Shares or any Dissenting Shares (as defined in the Merger Agreement), will be converted into the right to receive the Merger Consideration, in cash, without interest and subject to any required withholding of taxes.
 At the Effective Time, each stock option to purchase Shares that is then outstanding and unexercised, whether or not vested and which has a per-share exercise price that is less than the Merger Consideration, will be automatically canceled and converted into the right to receive a lump-sum cash payment equal to (i) the excess of (a) the Merger Consideration over (b) the exercise price payable per Share under such stock option, multiplied by (ii) the total number of Shares subject to such stock option immediately prior to the Effective Time.
 At the Effective Time, each restricted stock unit award with respect to Shares that is then outstanding will be automatically canceled and converted into the right to receive a lump-sum cash payment equal to the product, rounded to the nearest cent, of (i) the number of Shares subject to such restricted stock unit award as of the Effective Time and (ii) the Merger Consideration.

 At the Offer Acceptance Time, each pre-funded warrant of the Company to purchase Shares that is outstanding immediately prior to the Effective Time will automatically be deemed to be exercised in full in a "cashless exercise" pursuant to the warrant agreement to which such warrant is subject. At the Effective Time, holders of Shares issued pursuant to such "cashless exercise" of the pre-funded warrants of the Company in accordance with the applicable warrant agreements and the Merger Agreement shall become entitled to the Merger Consideration as described above in respect of Shares other than the Excluded Shares, the Tendered Shares and any Dissenting Shares.
 The Merger Agreement contains certain termination rights for the Company and Gilead. Upon termination of the Merger Agreement under specified circumstances, the Company will be required to pay Gilead a termination fee in the amount of $151.6 million.
 Kaken Pharmaceutical: In January 2023, we entered into a Collaboration and License Agreement (the License Agreement) with Kaken Pharmaceutical Co., Ltd. (Kaken). Pursuant to the License Agreement, we granted Kaken an exclusive license to commercialize seladelpar (the Licensed Product) for the prevention or treatment of PBC in Japan.
 Pursuant to the terms of the License Agreement, Kaken will bear the cost of, and be responsible for, among other things, conducting the clinical studies and other developmental activities for the Licensed Product in PBC in Japan as well as preparing and filing applications for regulatory approval in Japan and commercializing the Licensed Product in Japan. Kaken is obligated to use commercially reasonable efforts to develop, obtain regulatory approval for, and commercialize, the Licensed Product in Japan, including obtaining pricing approval for the Licensed Product in Japan. We are obligated to supply to Kaken, its requirements of Licensed Product for clinical and commercial use in Japan, which obligation may be terminated upon specified circumstances and technology transfer.
 In consideration of the license and other rights granted by us, Kaken made an upfront cash payment to us of $34.2 million and is obligated to pay potential milestone payments to us totaling up to 17.0 billion (approximately $128.0 million at contract inception date) for the achievement of certain regulatory and sales milestones. In addition, during the Royalty Term (as defined below), while we supply Licensed Product to Kaken, Kaken will make payments to us for each unit of Licensed Product that we supply at a percentage of the Japanese National Health Insurance price of the Licensed Product that equates to 20+% royalties. If we are not supplying product to Kaken during the Royalty Term, a lower royalty payment will be payable to us by Kaken based on Kaken net sales of Licensed Product in Japan. After the Royalty Term, if we are supplying Licensed Product to Kaken, we will receive payments for each unit of Licensed Product based on a percentage of the Japanese National Health Insurance price of the Licensed Product that is lower than during the Royalty Term.
 The Royalty Term means the period ending on the latest to occur of (a) the expiration of the last valid claim of the royalty patents covering such Licensed Product in Japan, (b) the expiration of regulatory exclusivity for such Licensed Product in Japan, and (c) 10 years after the first commercial sale of such Licensed Product in Japan.
 The License Agreement is effective until the date upon which (a) the Royalty Term has expired in Japan for the final Licensed Product, or (b) the License Agreement is earlier terminated (the Initial Term). After the Initial Term (except in the case of early termination), the License Agreement will be automatically renewed for 2-year periods, unless either party has given the other party a written notice not to renew the License Agreement no later than 12 months prior to the expiration of the Initial Term or any subsequent renewal term, in which case the License Agreement shall expire (and thus terminate) at the end of the then-existing term or, if applicable, shall earlier terminate upon an early termination.
 The License Agreement may be early terminated by either party for material breach, upon a party's insolvency or bankruptcy or upon a challenge by one party of any patents of the other party, and Kaken may

terminate in specified situations, including for a safety concern, clinical failure or termination of an underlying in-license to us from Janssen Pharmaceutica NV (see below), or at its convenience with specified prior notice. Upon an intentional or willful material breach of the License Agreement by us, Kaken also has an alternative remedy for material breach of the License Agreement that results in a reduction in the payments otherwise payable to us under the License Agreement. Upon early termination, (i) license rights granted under the License Agreement terminate, (ii) to the extent permitted by applicable law, Kaken is obligated to transfer to us copies of, and its entire right, title and interest in, all regulatory materials in Japan (subject to a royalty if such termination is by Kaken for our uncured material breach) and (iii) Kaken will automatically grant to us, with immediate effect, a non-exclusive, fully paid, royalty-free license under the Kaken program intellectual property solely for the exploitation of Licensed Products.
 Pursuant to the License Agreement, we and Kaken agreed to establish a joint steering committee to provide strategic oversight of both our and Kaken's activities under the License Agreement. The License Agreement also contains customary representations, warranties and covenants by both us and Kaken, as well as customary provisions relating to indemnification, confidentiality, intellectual property and other matters.
 Johnson & Johnson: In June 2006, we entered into a license agreement with Janssen Pharmaceutica NV (Janssen NV), an affiliate of Johnson & Johnson, in which we received an exclusive worldwide, royalty-bearing license to seladelpar and certain other PPAR d compounds (the PPAR d Products) with the right to grant sublicenses to third parties to make, use and sell such PPAR d Products. Under the terms of the agreement, we have full control and responsibility over the research, development and registration of any PPAR d Products and are required to use diligent efforts to conduct all such activities, while Janssen NV has the sole responsibility for the preparation, filing, prosecution, maintenance of, and defense of certain patents related to the PPAR d Products. Under the terms of the agreement, Janssen NV is entitled to receive up to an 8% royalty on net sales of PPAR d Products. If we do not expend more than a de minimis amount of effort and resources on the research and/or development of at least one PPAR d Product, such action would constitute a default under the agreement. In addition, if we fail to use diligent efforts to promote, market and sell any PPAR d Product under the agreement, such action would constitute a default under the agreement. In the event of such default, or upon our termination of the agreement, we are obligated to grant Janssen NV a worldwide, exclusive, irrevocable license under the agreement in all information that is controlled, developed or acquired by us that relates to a PPAR d compound or PPAR d Product and in all patents that are filed during the term of the agreement with a priority date after the effective date of the agreement and relate to a PPAR d compound or PPAR d Product.
 Abingworth: In July 2021, we entered into a Development Financing Agreement (the Financing Agreement) with ABW Cyclops SPV LP, an affiliate of Abingworth LLP (Abingworth), pursuant to which Abingworth provided us with $75 million of funding to support our development of seladelpar for the treatment of PBC. In return, we will pay to Abingworth (1) contingent upon the first to occur of regulatory approval of seladelpar for the treatment of PBC in the U.S., U.K., Germany, Spain, Italy or France (Regulatory Approval), fixed success payments equal to 2.0x of the funding provided, consisting of $10 million payable within 90 days after Regulatory Approval and thereafter payments due on the first six anniversaries of the Regulatory Approval in the amounts of $15 million, $22.5 million, $22.5 million, $25.0 million, $27.5 million and $27.5 million, respectively and (2) variable success payments equal to 1.1x of the funding provided, consisting of sales milestone payments of (x) $17.5 million and $27.5 million, respectively upon first reaching certain cumulative U.S. product sales thresholds, and (y) $37.5 million upon first reaching a specified U.S. product sales run rate.
 Promptly following receipt of Regulatory Approval, we are required to execute and deliver a promissory note to Abingworth to convert the fixed and variable success payments into a note payable. At the time that Abingworth receives, collectively, an aggregate of 3.1x of the funding provided (approximately $232.5 million), our payment obligations under the Financing Agreement will be fully satisfied. We have the option to satisfy our payment obligations to Abingworth upon Regulatory Approval, or a change of control of us, by paying an amount equal to the remaining payments payable to Abingworth subject to a mid-single-digit discount rate. Upon a change of control of us, an acceleration payment of 1.35x of the funding provided is payable, net of payments already made to Abingworth and creditable against future payments to Abingworth.

 Pursuant to the Financing Agreement, we are required to use commercially reasonable efforts to develop seladelpar and complete our development program in accordance with the Financing Agreement and an agreed timeline. In addition, an executive review committee was established between Abingworth and us to discuss our development of seladelpar.
 Pursuant to the Financing Agreement, we granted Abingworth a security interest in all of our assets (other than intellectual property not related to seladelpar), provided that we are permitted to incur certain indebtedness. The security interest will terminate when we have paid Abingworth 2.0x of the funding provided or upon certain terminations of the Financing Agreement. The Financing Agreement also provides for negative, affirmative and additional covenants, with which we have agreed to comply.
 The Financing Agreement terminates upon the payment of all payments owing to Abingworth, unless earlier terminated. The Financing Agreement may be earlier terminated by Abingworth if (i) we fail to use commercially reasonable efforts to develop seladelpar as set forth in the Financing Agreement or fail to make required payments (Fundamental Breach), (ii) we suffer a material adverse event, (iii) there is a material adverse patent impact on our intellectual property covering seladelpar, (iv) there are certain irresolvable disagreements within the executive review committee, (v) the security interests of Abingworth are invalidated or terminated other than as set forth in the Financing Agreement or (vi) the RESPONSE clinical trial is completed or terminated and (1) the primary endpoint is not met or (2) Abingworth reasonably determines that the results of the RESPONSE clinical trial do not support regulatory approval. The Financing Agreement may be earlier terminated by us if (i) Abingworth fails to fund as provided in the Financing Agreement, (ii) Abingworth fails to release its security interests as provided in the Financing Agreement or (iii) the RESPONSE clinical trial is completed or terminated and the primary endpoint is not met. The Financing Agreement may be terminated by either party (i) if the other party materially breaches the Financing Agreement (Material Breach), (ii) if seladelpar fails to receive regulatory approval in the U.S., U.K. or E.U., (iii) upon the bankruptcy of the other party, (iv) if a serious safety concern arises in a seladelpar clinical trial or (v) upon a change of control of us.
 In certain instances, upon the termination of the Financing Agreement, we will be obligated to pay Abingworth a multiple of the amounts paid to us under the Financing Agreement, including specifically,
 (i) 310% of such amounts in the event that Abingworth terminates the Financing Agreement due to (x) a Fundamental Breach, (y) our bankruptcy, or (z) a safety concern resulting from gross negligence on our part or due to a safety concern that was material on the effective date of the Financing Agreement and the material data showing such safety concern was not publicly known, disclosed to Abingworth, or in the diligence room made available to Abingworth,
 (ii) 200% of such amounts in the event the Financing Agreement is terminated due to (x) our Material Breach or (y) the security interests of Abingworth being invalidated or terminated other than as set forth in the Financing Agreement, and
 (iii) 100% of such amounts in the event of certain irresolvable disagreements within the executive review committee.
 In addition, if, following certain terminations, we continue to develop seladelpar for the treatment of PBC and obtain Regulatory Approval, we will make the payments to Abingworth as if the Financing Agreement had not been terminated, less any payments made upon termination. We are not obligated to make any payments to Abingworth under certain instances of technical or regulatory failure of the development program.
 Research and Development
 We do not currently own or operate research and development facilities. We rely on contract service providers (CSPs), including clinical research organizations, clinical trial sites, central laboratories and other service providers to ensure the proper and timely conduct of our clinical trials. While we have agreements

governing their activities, we have limited influence over their actual performance. We have relied and plan to continue to rely upon CSPs to monitor and manage data for our ongoing clinical programs for our product candidates, as well as the execution of nonclinical studies. We control only certain aspects of our CSPs' activities. Nevertheless, we are responsible for ensuring that each of our studies is conducted in accordance with the applicable protocol, legal, regulatory and scientific standards and our reliance on the CSPs does not relieve us of our regulatory responsibilities. We also rely on consultants and advisors, including scientific and clinical advisors, to assist us in formulating our research and development and commercialization strategy. Our consultants and advisors may be employed by employers other than us and may have commitments under consulting or advisory contracts with other entities that may limit their availability to us, which could also adversely affect the progress of our research, development and commercialization objectives.
 Intellectual Property
 We own 22 United States patents and 227 foreign patents, as well as 6 United States patent applications and 25 foreign and Patent Cooperation Treaty applications that are counterparts to certain United States patents and patent applications. In addition, we license from third parties 11 United States patents and 1 United States patent application and 206 foreign patents and 6 foreign and Patent Cooperation Treaty applications that are counterparts to certain United States patents and patent applications. These patents and patent applications include claims related to the composition of seladelpar and method of use of seladelpar that expire between 2025 and 2042, before accounting for any potential patent term extension or orphan disease exclusivity. Patent and trade secret protection is critical to our business. Our success will depend in large part on our ability to obtain, maintain, defend and enforce patents and other intellectual property, to extend the life of patents covering our product candidates, to preserve trade secrets and proprietary know-how, and to operate without infringing the patents and proprietary rights of third parties.
 Manufacturing
 We do not currently own or operate manufacturing facilities for the production or testing of seladelpar or other product candidates, nor do we have plans to develop our own manufacturing operations in the foreseeable future. We presently depend on third party contract manufacturers to obtain all our required raw materials, active pharmaceutical ingredients (APIs) and finished products for our clinical studies for seladelpar. We have contracted with third party contract manufacturers to obtain our clinical and commercial supplies of seladelpar. We have executed manufacturing agreements for our API and finished products for our supplies of seladelpar with established manufacturing firms that are responsible for sourcing and obtaining the raw materials necessary for, as well as manufacturing, the API, finished drug product and packaged product. The raw materials necessary to manufacture the API and the finished product are available from more than one source.
 Competition
 The biopharmaceutical industry is highly competitive and subject to rapid and significant innovation. Although we believe that our development expertise and scientific knowledge provide us with advantages over our competitors, particularly in the therapeutic areas in which we are focused, other biopharmaceutical companies in the industry may be able to develop, or have developed, therapeutics that are able to achieve better results or have had a more successful or earlier market entry. Our competitors include pharmaceutical companies, biotechnology companies, specialty pharmaceutical companies, universities and other research institutions. Many of our competitors have significantly greater financial, technical and human resources than we have.
 We have been developing seladelpar for the treatment of patients with PBC and a description of the competition in this indication is below.

 PBC Competition
 Currently, the only FDA-approved treatments for PBC are ursodeoxycholic acid (UDCA), also known as ursodiol, an isomer of chenodeoxycholic acid and the semi-synthetic bile acid analog obeticholic acid (Ocaliva by Intercept Pharmaceuticals, Inc., acquired in 2023 by Alfasigma S.p. A.).
 Ursodiol decreases serum levels of ALP, bilirubin, alanine aminotransferase, aspartate aminotransferase, cholesterol, and immunoglobulin M, all of which are elevated in patients with PBC and can serve as biochemical markers of the disease. In a study that combined data from three controlled trials with a total of 548 patients, ursodiol significantly reduced the likelihood of liver transplantation or death after four years. Ursodiol also delayed the progression of hepatic fibrosis in early-stage PBC, but was not effective in advanced disease. It has been reported that up to 50% of PBC patients fail to respond adequately to ursodiol therapy. Ursodiol is available as a generic, is approved for other indications, and is priced at a discount to typical branded therapies used in rare populations.
 Ocaliva was approved by the FDA and European Medicines Agency in 2016 for the treatment of PBC in combination with UDCA in adults with an inadequate response to UDCA, or as monotherapy in adults unable to tolerate UDCA. Ocaliva also received orphan designations in the U.S. and the E.U. A Phase 3 study was completed with a primary composite endpoint defined as a responder rate comprised of the percentage of patients with ALP < 1.67 times upper limit of the normal range with a decrease in ALP of at least 15% and total bilirubin less than or equal to upper limit of the normal range. This study met its goals and Ocaliva was granted accelerated approval based on meeting this primary composite endpoint. In February 2018, Intercept announced that the Ocaliva label in the United States was updated by the FDA to include a boxed warning and a dosing table that reinforced the then-existing dosing schedule for patients with Child-Pugh Class B or C or decompensated cirrhosis. In addition, the FDA issued an updated drug safety communication to accompany the revised label. In 2021, following the conclusion of the FDA's evaluation of a newly identified safety signal, Ocaliva became contraindicated for patients with PBC and decompensated cirrhosis, a prior decompensation event, or compensated cirrhosis with evidence of portal hypertension, in addition to the existing contraindication for complete biliary obstruction.
 Elafibranor (Genfit S.A./Ipsen, S.A.) is a mixed PPAR / d agonist in development for patients with PBC. In December 2023, Ipsen announced that (i) the FDA granted Priority Review for New Drug Application for elafibranor in PBC with a FDA PDUFA date of June 10, 2024, (ii) the EMA validated Ipsen's Marketing Authorization Application (MAA) for elafibranor, and (iii) a regulatory filing of elafibranor was validated for review by the U.K. Medicines and Healthcare products Regulatory Agency. In November 2023, Genfit announced the full results from its Phase 3 study of elafibranor in patients with PBC who had an inadequate response or intolerance to UDCA, reporting a 47% placebo-adjusted difference (P<0.001) between patients on elafibranor 80mg (51%) compared with patients on placebo (4%) achieving a biochemical response. In the trial, a biochemical response is defined as alkaline phosphatase (ALP) <1.67 x upper limit of normal (ULN), an ALP decrease 15 percent and total bilirubin (TB) ULN at 52 weeks. Only patients receiving elafibranor achieved normalization of ALP (upper limit of normal 104 U/L in females and 129 U/L in males) at Week 52 (15% vs 0% placebo, P=0.002), a key secondary endpoint of the trial. The significant biochemical effect of elafibranor measured by ALP reduction was further supported by data demonstrating reductions from baseline in ALP levels were seen at Week 4 in the elafibranor group, and were sustained through Week 52, with a decrease in ALP of 41% on elafibranor compared with placebo. Genfit also announced that on another key secondary endpoint using the PBC Worst Itch NRS, the reduction of pruritus observed for elafibranor versus placebo was not statistically significant. A long-term placebo-controlled study of elafibranor has been initiated in which patients with PBC will be followed up for up to seven years of treatment to examine the effects on liver-related clinical outcomes, including death.
 Another potential therapy in clinical development for PBC is the dual PPAR / g agonist saroglitazar (Zydus Lifesciences Limited, formerly known as Cadila Healthcare Limited). In November 2020, Phase 2 results were

presented at the Liver Meeting hosted by the American Association for the Study of Liver Disease. In December 2020, Zydus announced saroglitizar had been granted Fast Track Designation for PBC and in January 2021 it received Orphan Drug Designation for PBC by the FDA. In December 2021, Zydus announced it had initiated a Phase 2(b)/3 study of saroglitazar in patients with PBC. Calliditas Therapeutics AB's selective NOX inhibitor setanaxib has also reported Phase 2 study data for PBC and in August 2021, Calliditas announced setanaxib had been granted Fast Track Designation for PBC by the FDA and that setanaxib has previously been granted orphan drug designation for PBC in the U.S. and Europe. In February 2022, Calliditas announced it had initiated a Phase 2b/3 study in PBC. In cholestatic pruritus, GSK2330672 (GSK plc) is an inhibitor of the Intestinal Bile Acid Transporter (IBAT), which is undergoing evaluation for decreasing symptoms of pruritus, including in PBC. The disclosed planned completion data for the study is October 2024.
 Although not approved for use in PBC, off-label use of fibrate drugs has been reported, though many fibrates are specifically contraindicated for use in PBC due to potential concerns over acute and long-term safety in this patient population. Nevertheless, off-label use of fibrates is mentioned in several published treatment guidelines. Other therapies, such as colchicine, methotrexate, prednisone and multiple immunosuppressive regimens have been attempted. However, their efficacy is limited or unproven, and they are associated with multiple side-effects impacting tolerance and safety. Liver transplantation improves survival in patients with PBC, and it is the only effective treatment for those with liver failure. Liver transplantation however is problematic because of its costs, the limited availability of donor organs, and by the fact that the disease may recur after an initially successful transplantation.
 Government Regulation and Product Approval
 Government authorities in the United States, at the federal, state and local level, and other countries extensively regulate, among other things, the research, development, testing, manufacture, quality control, approval, labeling, packaging, storage, record-keeping, promotion, advertising, distribution, post-approval monitoring and reporting, marketing and export and import of products such as those we are developing. The pharmaceutical drug product candidates that we develop must be approved by the Food and Drug Administration (FDA) before they may be legally marketed in the United States.
 United States Pharmaceutical Product Development Process
 In the United States, the FDA regulates pharmaceutical products under the Federal Food, Drug and Cosmetic Act, and implements regulations. Pharmaceutical products are also subject to other federal, state and local statutes and regulations. The process of obtaining regulatory approvals and the subsequent compliance with appropriate federal, state, local and foreign statutes and regulations require the expenditure of substantial time and financial resources. Failure to comply with the applicable United States requirements at any time during the product development process, approval process or after approval, may subject an applicant to administrative or judicial sanctions. FDA sanctions could include refusal to approve pending applications, withdrawal of an approval, a clinical hold, warning letters, product recalls, product seizures, total or partial suspension of production or distribution, injunctions, fines, refusals of government contracts, restitution, disgorgement or civil or criminal penalties. Any agency or judicial enforcement action could have a material adverse effect on us. The process required by the FDA before a pharmaceutical product may be marketed in the United States generally involves the following:

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 Completion of preclinical laboratory tests, animal studies and formulation studies according to Good Laboratory Practices (GLP) or other applicable regulations;

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 Submission to the FDA of an Investigational New Drug (IND) application, which must become effective before human clinical studies may begin;

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 Performance of adequate and well-controlled human clinical studies according to the FDA's current Good Clinical Practices (GCP), to establish the safety and efficacy of the proposed pharmaceutical product for its intended use;

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 Submission to the FDA of a New Drug Application (NDA) for a new pharmaceutical product;

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 Satisfactory completion of an FDA inspection of the manufacturing facility or facilities where the pharmaceutical product is produced to assess compliance with the FDA's current Good Manufacturing Practice standards (cGMP), to assure that the facilities, methods and controls are adequate to preserve the pharmaceutical product's identity, strength, quality and purity;

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 Potential FDA audit of selected preclinical and clinical study sites that generated the data in support of the NDA; and

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 FDA review and approval of the NDA.

 The lengthy process of seeking required approvals and the continuing need for compliance with applicable statutes and regulations require the expenditure of substantial resources and approvals are inherently uncertain.
 Before testing any compounds with potential therapeutic value in humans, the pharmaceutical product candidate enters the preclinical testing stage. Preclinical tests include laboratory evaluations of product chemistry, toxicity and formulation, as well as animal studies to assess the potential safety and activity of the pharmaceutical product candidate. The conduct of the preclinical tests must comply with federal regulations and requirements including GLP. The sponsor must submit the results of the preclinical tests, together with manufacturing information, analytical data, any available clinical data or literature and a proposed clinical protocol, to the FDA as part of the IND. The IND automatically becomes effective 30 days after receipt by the FDA, unless the FDA has concerns and notifies the sponsor by way of a clinical hold. In such a case, the IND sponsor and the FDA must resolve any outstanding concerns before the clinical study can begin. The FDA may also impose clinical holds on a pharmaceutical product candidate at any time before or during clinical studies due to safety concerns or non-compliance. Submission of an IND may not result in the FDA allowing clinical studies to begin and, once begun, issues may arise that lead to suspension or termination of such clinical study.
 Clinical studies involve the administration of the drug candidate to healthy volunteers or patients under the supervision of qualified investigators, who are generally physicians not employed by or under the clinical study sponsor's control. Clinical studies are conducted under protocols detailing, among other things, the objectives of the clinical study, dosing procedures, subject selection and exclusion criteria, how the results will be analyzed and presented and the parameters to be used to monitor subject safety. Each protocol must be submitted to the FDA as part of the IND. Clinical studies must be conducted in accordance with GCP. Further, each clinical study must be reviewed and approved by an independent Institutional Review Board (IRB) at, or servicing, each institution at which the clinical study will be conducted. An IRB is charged with protecting the welfare and rights of study participants and considers such items as whether the risks to individuals participating in the clinical studies are minimized and are reasonable in relation to anticipated benefits. The IRB also approves the informed consent form that must be provided to each clinical study subject or his or her legal representative and must monitor the clinical study until completed.
 Human clinical studies are typically conducted in three sequential phases that may overlap or be combined:

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 Phase 1. The pharmaceutical product is initially introduced into healthy human subjects and tested for safety, dosage tolerance, absorption, metabolism, distribution and excretion.

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 Phase 2. The pharmaceutical product is evaluated in a limited patient population to identify possible adverse effects and safety risks, to preliminarily evaluate the efficacy of the product for specific targeted diseases, to determine dosage tolerance, optimal dosage and dosing schedule and to identify patient populations with specific characteristics where the pharmaceutical product may be more effective.

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 Phase 3. Clinical studies are undertaken to further evaluate dosage, clinical efficacy and safety in an expanded patient population at geographically dispersed clinical study sites. These clinical studies are intended to establish the overall risk/benefit ratio of the product and provide an adequate basis for

product labeling. The studies must be well-controlled and usually include a control arm for comparison. One or two Phase 3 studies are required by the FDA for an NDA approval, depending on the disease severity and other available treatment options.

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 Post-approval studies, or Phase 4 clinical studies, may be conducted after initial marketing approval. These studies are used to gain additional experience from the treatment of patients in the intended therapeutic indication.

 Progress reports detailing the results of the clinical studies must be submitted at least annually to the FDA and written IND safety reports must be submitted to the FDA and the investigators for serious and unexpected adverse events or any finding from tests in laboratory animals that suggests a significant risk for human subjects. Phase 1, Phase 2 and Phase 3 clinical studies may not be completed successfully within any specified period, if at all. The FDA or the sponsor or its data safety monitoring board may suspend a clinical study at any time on various grounds, including, but not limited to, a finding that the research subjects or patients are being exposed to an unacceptable health risk. Similarly, an IRB can suspend or terminate approval of a clinical study at its institution if the clinical study is not being conducted in accordance with the IRB's requirements or if the drug candidate has been associated with unexpected serious harm to patients.
 Concurrent with clinical studies, companies usually complete additional animal studies and must also develop additional information about the chemistry and physical characteristics of the drug candidate as well as finalize a process for manufacturing the product in commercial quantities in accordance with cGMP requirements. The manufacturing process must be capable of consistently producing quality batches of the drug candidate and, among other things, must develop methods for testing the identity, strength, quality and purity of the final pharmaceutical product. Additionally, appropriate packaging must be selected and tested and stability studies must be conducted to demonstrate that the drug candidate does not undergo unacceptable deterioration over its shelf life.
 United States Review and Approval Processes
 Pre-Approval Requirements
 The results of product development, preclinical studies and clinical studies, along with descriptions of the manufacturing process, analytical tests conducted on the chemistry of the pharmaceutical product, proposed labeling and other relevant information are submitted to the FDA as part of an NDA requesting approval to market the product. The submission of an NDA is subject to the payment of substantial user fees; a waiver of such fees may be obtained under certain limited circumstances.
 In addition, under the Pediatric Research Equity Act (PREA), an NDA or supplement to an NDA must contain data to assess the safety and effectiveness of the pharmaceutical product for the claimed indications in all relevant pediatric subpopulations and to support dosing and administration for each pediatric subpopulation for which the product is safe and effective. The FDA may grant deferrals for submission of data or full or partial waivers. Unless otherwise required by regulation, PREA does not apply to any pharmaceutical product for an indication for which orphan designation has been granted.
 The FDA reviews all NDAs submitted before it accepts them for filing and may request additional information rather than accepting an NDA for filing. Once the submission is accepted for filing, the FDA begins an in-depth review of the NDA. Under the goals and policies agreed to by the FDA under the Prescription Drug User Fee Act (PDUFA), the FDA has 10 months from filing in which to complete its initial review of a standard NDA and respond to the applicant, and six months from filing for a priority NDA. The FDA does not always meet its PDUFA goal dates for standard and priority NDAs. The review process and the PDUFA goal date may be extended by three months if the FDA requests or if the NDA sponsor otherwise provides additional information or clarification regarding information already provided in the submission within the last three months before the PDUFA goal date.

 After the NDA submission is accepted for filing, the FDA reviews the NDA application to determine, among other things, whether the proposed product is safe and effective for its intended use, and whether the product is being manufactured in accordance with cGMP to assure and preserve the product's identity, strength, quality and purity. The FDA may refer applications for novel pharmaceutical products or pharmaceutical products which present difficult questions of safety or efficacy to an advisory committee, typically a panel that includes clinicians and other experts, for review, evaluation and a recommendation as to whether the application should be approved and under what conditions. The FDA is not bound by the recommendations of an advisory committee, but it considers such recommendations carefully when making decisions. During the pharmaceutical product approval process, the FDA also will determine whether a risk evaluation and mitigation strategy (REMS) is necessary to assure the safe use of the pharmaceutical product. If the FDA concludes that a REMS is needed, the sponsor of the NDA must submit a proposed REMS; the FDA will not approve the NDA without a REMS, if required.
 Before approving an NDA, the FDA will inspect the facilities at which the product is manufactured. The FDA will not approve the product unless it determines that the manufacturing processes and facilities are in compliance with cGMP requirements and adequate to assure consistent production of the product within required specifications. Additionally, before approving an NDA, the FDA will typically inspect one or more clinical sites to assure compliance with GCP. If the FDA determines the application, manufacturing process or manufacturing facilities are not acceptable, it will outline the deficiencies in the submission and often will request additional testing or information. In addition, the FDA will require the review and approval of product labeling.
 The NDA review and approval process is lengthy and difficult and the FDA may refuse to approve an NDA if the applicable regulatory criteria are not satisfied or may require additional clinical data or other data and information. Even if such data and information is submitted, the FDA may ultimately decide that the NDA does not satisfy the criteria for approval. Data obtained from clinical studies are not always conclusive and the FDA may interpret data differently than we interpret the same data. The FDA will issue a complete response letter if the agency decides not to approve the NDA. The complete response letter describes the specific deficiencies in the NDA identified by the FDA. The deficiencies identified may be minor, for example, requiring labeling changes, or major, for example, requiring additional clinical studies. Additionally, the complete response letter may include recommended actions that the applicant might take to place the application in a condition for approval. If a complete response letter is issued, the applicant may either resubmit the NDA, addressing all of the deficiencies identified in the letter, or withdraw the application.
 If a product receives regulatory approval, the approval may be significantly limited to specific diseases and dosages or the indications for use may otherwise be limited, which could restrict the commercial value of the product. Further, the FDA may require that certain contraindications, warnings or precautions be included in the product labeling. In addition, the FDA may require Phase 4 testing which involves clinical studies designed to further assess pharmaceutical product safety and effectiveness and may require testing and surveillance programs to monitor the safety of approved products that have been commercialized.
 Expedited Development and Review Programs
 The FDA offers a number of expedited development and review programs for qualifying product candidates. A product intended to treat a serious or life-threatening disease or condition may be eligible for breakthrough therapy designation to expedite its development and review. A product can receive breakthrough therapy designation if preliminary clinical evidence indicates that the product, alone or in combination with one or more other drugs or biologics, may demonstrate substantial improvement over existing therapies on one or more clinically significant endpoints, such as substantial treatment effects observed early in clinical development. The designation provides opportunities for frequent interactions with the review team during product development and, once an NDA is submitted, the product may be eligible for priority review. The NDA may also be eligible for rolling review, where the FDA may consider for review sections of the NDA on a rolling basis before the complete application is submitted.

 Orphan Drug Designation
 Under the Orphan Drug Act, the FDA may grant orphan designation to a drug or biologic intended to treat a rare disease or condition, which is a disease or condition that affects fewer than 200,000 individuals in the United States, or more than 200,000 individuals in the United States for which there is no reasonable expectation that the cost of developing and making available in the United States a drug for this type of disease or condition will be recovered from sales in the United States for that drug. Orphan drug designation must be requested before submitting an NDA. After the FDA grants orphan drug designation, the generic identity of the therapeutic agent and its potential orphan use are disclosed publicly by the FDA. The orphan drug designation does not convey any advantage in, or shorten the duration of, the regulatory review or approval process.
 If a product that has orphan drug designation subsequently receives the first FDA approval for the disease for which it has such designation, the product is entitled to orphan drug exclusive approval (or exclusivity), which means that the FDA may not approve any other applications, including a full NDA, to market the same drug for the same indication for seven years, except in limited circumstances, such as a showing of clinical superiority to the product with orphan drug exclusivity or if the FDA finds that the holder of the orphan drug exclusivity has not shown that it can assure the availability of sufficient quantities of the orphan drug to meet the needs of patients with the disease or condition for which the drug was designated. Orphan drug exclusivity does not prevent the FDA from approving a different drug or biologic for the same disease or condition, or the same drug or biologic for a different disease or condition. Among the other benefits of orphan drug designation are tax credits for certain research and a waiver of the NDA application fee.
 A designated orphan drug may not receive orphan drug exclusivity if it is approved for a use that is broader than the indication for which it received orphan designation. In addition, exclusive marketing rights in the United States may be lost if the FDA later determines that the request for designation was materially defective. A comparable orphan drug program is provided under EU law.
 Post-Approval Requirements
 Any pharmaceutical products for which we receive FDA approvals are subject to continuing regulation by the FDA, including, among other things, record-keeping requirements, reporting of adverse experiences with the product, providing the FDA with updated safety and efficacy information, product sampling and distribution requirements, complying with certain electronic records and signature requirements and complying with FDA promotion and advertising requirements, which include, among others, standards for direct-to-consumer advertising, prohibitions on promoting pharmaceutical products for uses or in patient populations that are not described in the pharmaceutical product's approved labeling (known as "off-label use"), industry-sponsored scientific and educational activities and promotional activities involving the internet. Failure to comply with FDA requirements can have negative consequences, including adverse publicity, enforcement letters from the FDA, actions by the United States Department of Justice and/or United States Department of Health and Human Services (HHS) Office of Inspector General, mandated corrective advertising or communications with doctors, and civil or criminal penalties. Although physicians may prescribe legally available pharmaceutical products for off-label uses, manufacturers may not directly or indirectly market or promote such off-label uses.
 Manufacturers of our products are required to comply with applicable FDA manufacturing requirements contained in the FDA's cGMP regulations. cGMP regulations require, among other things, quality control and quality assurance, as well as the corresponding maintenance of records and documentation. Pharmaceutical product manufacturers and other entities involved in the manufacture and distribution of approved pharmaceutical products are required to register their establishments with the FDA and certain state agencies, and are subject to periodic unannounced inspections by the FDA and certain state agencies for compliance with cGMP and other laws. Accordingly, manufacturers must continue to expend time, money and effort in the area of production and quality control to maintain cGMP compliance. Discovery of problems with a product after approval may result in restrictions on a product, manufacturer or holder of an approved NDA, including

withdrawal of the product from the market. In addition, changes to the manufacturing process generally require prior FDA approval before being implemented and other types of changes to the approved product, such as adding new indications and additional labeling claims, are also subject to further FDA review and approval.
 The FDA also may require post-marketing testing, known as Phase 4 testing, risk minimization action plans and surveillance to monitor the effects of an approved product or place conditions on an approval that could restrict the distribution or use of the product.
 U.S. Foreign Corrupt Practices Act
 The U.S. Foreign Corrupt Practices Act, or FCPA, prohibits certain individuals and entities, including us, from promising, paying, offering to pay, or authorizing the payment of anything of value to any foreign government official, directly or indirectly, to obtain or retain business or an improper advantage. The U.S. Department of Justice and the U.S. Securities and Exchange Commission, or SEC, have increased their enforcement efforts with respect to the FCPA. Violations of the FCPA may result in large civil and criminal penalties and could result in an adverse effect on a company's reputation, operations, and financial condition. A company may also face collateral consequences such as debarment and the loss of export privileges.
 Federal and State HealthCare Laws
 In addition to FDA restrictions on marketing of pharmaceutical products, several other types of state and federal healthcare laws have been applied to restrict certain business practices in the biopharmaceutical industry in recent years. These laws include anti-kickback statutes, false claims statutes, data privacy and security laws, as well as transparency laws regarding payments or other items of value provided to healthcare providers. The federal Anti-Kickback Statute prohibits, among other things, knowingly and willfully offering, paying, soliciting, or receiving remuneration to induce or in return for purchasing, leasing, ordering, or arranging for the purchase, lease, or order of any healthcare item or service reimbursable under Medicare, Medicaid, or other federally financed healthcare programs. The term "remuneration" has been broadly interpreted to include anything of value, including for example, gifts, discounts, the furnishing of supplies or equipment, credit arrangements, payments of cash, waivers of payment, ownership interests and providing anything at less than its fair market value. The Anti-Kickback Statute has been interpreted to apply to arrangements between pharmaceutical manufacturers on one hand and prescribers, purchasers, and formulary managers on the other. Although there are a number of statutory exemptions and regulatory safe harbors protecting certain common activities from prosecution, the exemptions and safe harbors are drawn narrowly, and our practices may not in all cases meet all of the criteria for statutory exemptions or safe harbor protection. Practices that involve remuneration that may be alleged to be intended to induce prescribing, purchases, or recommendations may be subject to scrutiny if they do not qualify for an exemption or safe harbor. Several courts have interpreted the statute's intent requirement to mean that if any one purpose of an arrangement involving remuneration is to induce referrals of federal healthcare covered business, the statute has been violated. The intent standard of the Anti-Kickback Statute was also broadened by the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act, or collectively the Patient Protection and Affordable Care Act ("PPACA"), so that a person or entity no longer needs to have actual knowledge of this statute or specific intent to violate it in order to have committed a violation. In addition, the PPACA provides that the government may assert that a claim including items or services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the civil False Claims Act (discussed below).
 The federal False Claims Act prohibits any person from knowingly presenting, or causing to be presented, a false claim for payment to the federal government. Recently, several pharmaceutical and other healthcare companies have been prosecuted under these laws for allegedly providing free product to customers with the expectation that the customers would bill federal programs for the product. Other companies have been prosecuted for causing false claims to be submitted because of the companies' marketing of the product for unapproved, and thus non-reimbursable, uses. Additionally, the civil monetary penalties statute imposes penalties

against any person who is determined to have presented or caused to be presented a claim to a federal health program that the person knows or should know is for an item or service that was not provided as claimed or is false or fraudulent. The federal Health Insurance Portability and Accountability Act of 1996, or HIPAA, created additional federal criminal statutes that prohibit knowingly and willfully executing a scheme to defraud any healthcare benefit program, including private third-party payors and knowingly and willfully falsifying, concealing or covering up a material fact or making any materially false, fictitious or fraudulent statement in connection with the delivery of or payment for healthcare benefits, items or services.
 The federal Physician Payments Sunshine Act, created under the PPACA, and its implementing regulations, require certain manufacturers of drugs, devices, biologicals and medical supplies for which payment is available under Medicare, Medicaid or the Children's Health Insurance Program (with certain exceptions) to report annually information related to certain payments or other transfers of value provided to physicians (defined to include doctors, dentists, optometrists, podiatrists and chiropractors), other healthcare professionals (such as physicians assistants and nurse practitioners), and teaching hospitals, or to entities or individuals at the request of, or designated on behalf of, the physicians and teaching hospitals, and applicable manufacturers and group purchasing organizations to report annually certain ownership and investment interests held by physicians and their immediate family members.
 We may also be subject to data privacy and security regulation by both the federal government and the states in which we conduct our business. HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act, or HITECH, and its implementing regulations, imposes certain requirements on covered entities, including certain healthcare providers, health plans, and healthcare clearinghouses, and their respective business associates that create, receive, maintain or transmit individually identifiable health information for or on behalf of a covered entity as well as their covered subcontractors relating to the privacy, security and transmission of individually identifiable health information. Among other things, HITECH makes HIPAA's privacy and security standards directly applicable to "business associates". HITECH also increased the civil and criminal penalties that may be imposed against covered entities, business associates and possibly other persons, and gave state attorneys general new authority to file civil actions for damages or injunctions in federal courts to enforce the federal HIPAA laws and seek attorney's fees and costs associated with pursuing federal civil actions. In addition, state laws govern the privacy and security of health information in certain circumstances, many of which differ from each other in significant ways and may not have the same effect, thus complicating compliance efforts.
 The majority of states also have statutes or regulations similar to the aforementioned federal fraud and abuse laws, some of which are broader in scope and apply to items and services reimbursed under Medicaid and other state programs, or, in several states, apply regardless of the payor. Further, some state laws require pharmaceutical companies to comply with the pharmaceutical industry's voluntary compliance guidelines and the relevant compliance guidance promulgated by the federal government in addition to requiring drug manufacturers to report information related to payments or other transfers of value provided to physicians and other health care providers and entities, marketing expenditures, and drug pricing. Certain state and local laws also require the registration of pharmaceutical sales representatives.
 These federal and state laws may impact, among other things, our proposed sales, marketing and education programs. If our operations are found to be in violation of any of the federal and state laws described above or any other governmental regulations that apply to us, we may be subject to significant penalties, including administrative, criminal and civil monetary penalties, damages, fines, disgorgement, imprisonment, exclusion from participation in government healthcare programs, and the curtailment or restructuring of our operations, any of which could adversely affect our ability to operate its business and our results of operations. To the extent that any of our product candidates are ultimately sold in a foreign country, we may be subject to similar foreign laws and regulations, which may include, for instance, applicable post-marketing requirements, including safety surveillance, anti-fraud and abuse laws, and implementation of corporate compliance programs and reporting of payments or transfers of value to healthcare professionals.

 Patent Term Restoration and Marketing Exclusivity
 Depending upon the timing, duration and specifics of the FDA approval of the use of our pharmaceutical product candidates, some of our patents may be eligible for limited patent term extension under the Drug Price Competition and Patent Term Restoration Act of 1984, commonly referred to as the Hatch-Waxman Amendments. The Hatch-Waxman Amendments permit a patent restoration term of up to five years as compensation for patent term lost during product development and the FDA regulatory review process. However, patent term restoration cannot extend the remaining term of a patent beyond a total of 14 years from the product's approval date. The patent term restoration period is generally one-half the time between the effective date of an IND and the submission date of an NDA plus the time between the submission date of an NDA and the approval of that application. Only one patent applicable to an approved pharmaceutical product is eligible for the extension and the application for the extension must be submitted prior to the expiration of the patent. The United States Patent and Trademark Office, in consultation with the FDA, reviews and approves the application for any patent term extension or restoration. In the future, we may apply for restoration of patent term for one of our currently owned or licensed patents to add patent life beyond its current expiration date, depending upon the expected length of the clinical studies and other factors involved in the filing of the relevant NDA.
 Market exclusivity provisions under the U.S. Food, Drug, and Cosmetic Act can also delay the submission or the approval of certain applications of other companies seeking to reference another company's NDA. Currently seven years of reference product exclusivity are available to pharmaceutical products designated as orphan drugs, during which the FDA may not approve generic products relying upon the reference product's data. Pediatric exclusivity is another type of regulatory market exclusivity in the United States. Pediatric exclusivity, if granted, adds six months to existing exclusivity periods and patent terms. This six-month exclusivity, which runs from the end of other exclusivity protection or patent term, may be granted based on the voluntary completion of a pediatric clinical study in accordance with an FDA-issued "Written Request" for such a clinical study.
 Pharmaceutical Coverage, Pricing and Reimbursement
 Significant uncertainty exists as to the coverage and reimbursement status of any pharmaceutical product candidates for which we obtain regulatory approval. In the United States and markets in other countries, sales of any products for which we receive regulatory approval for commercial sale will depend in part upon the availability of coverage and adequate reimbursement from third-party payors. Third-party payors include government payors such as Medicare and Medicaid, managed care providers, private health insurers and other organizations. In the United States, no uniform policy of coverage and reimbursement for products exists among third-party payors. While commercial payors often follow Medicare coverage policy and payment limitations, coverage and reimbursement for products can differ significantly from payor to payor. The process for determining whether a payor will provide coverage for a pharmaceutical product may be separate from the process for setting the price or reimbursement rate that the payor will pay for the pharmaceutical product. Third-party payors may limit coverage to specific pharmaceutical products on an approved list, or formulary, which might not include all of the FDA-approved pharmaceutical products for a particular indication.
 Third-party payors are increasingly challenging the price and examining the medical necessity and cost-effectiveness of medical products and services, in addition to their safety and efficacy. We may need to conduct expensive pharmaco-economic studies in order to demonstrate the medical necessity and cost-effectiveness of its products, in addition to the costs required to obtain the FDA approvals. Our pharmaceutical product candidates may not be considered medically necessary or cost-effective. A payor's decision to provide coverage for a pharmaceutical product does not imply that an adequate reimbursement rate will be approved. Adequate third-party reimbursement may not be available to enable us to maintain price levels sufficient to realize an appropriate return on our investment in product development. In addition, in the United States there is a growing emphasis on comparative effectiveness research, both by private payors and by government agencies. To the extent other drugs or therapies are found to be more effective than our products, payors may elect to cover such therapies in lieu of our products and/or reimburse our products at a lower rate.

 Different pricing and reimbursement schemes exist in other countries. The downward pressure on health care costs in general, particularly prescription drugs, has become very intense. As a result, increasingly high barriers are being erected to the entry of new products. In addition, in some countries, cross-border imports from low-priced markets exert a commercial pressure on pricing within a country.
 The marketability of any pharmaceutical product candidates for which we receive regulatory approval for commercial sale may suffer if the government and third-party payors fail to provide adequate coverage and reimbursement. In addition, emphasis on managed care in the United States has increased and we expect this will continue to increase the pressure on pharmaceutical pricing. Coverage policies and third-party reimbursement rates may change at any time. Even if favorable coverage and reimbursement status is attained for one or more products for which we receive regulatory approval, less favorable coverage policies and reimbursement rates may be implemented in the future.
 In the United States and foreign jurisdictions, there have been a number of legislative and regulatory changes to the healthcare system that could affect our future results of operations. In particular, there have been and continue to be a number of initiatives at the United States federal and state levels that seek to reduce healthcare costs. For example, in March 2010 the PPACA was enacted, which includes measures to significantly change the way healthcare is financed by both governmental and private insurers. Among the provisions of the PPACA of importance to the pharmaceutical and biotechnology industry are the following: increased the minimum level of Medicaid rebates payable by manufacturers of brand name drugs from 15.1% to 23.1%; required collection of rebates for drugs paid by Medicaid-managed care organizations; imposed a non-deductible annual fee on pharmaceutical manufacturers or importers who sell certain "branded prescription drugs" to specified federal government programs; implemented a new methodology by which rebates owed by manufacturers under the Medicaid Drug Rebate Program are calculated for drugs that are inhaled, infused, instilled, implanted, or injected; expanded eligibility criteria for Medicaid programs; created a Patient-Centered Outcomes Research Institute to oversee, identify priorities in, and conduct comparative clinical effectiveness research, along with funding for such research; established a Center for Medicare and Medicaid Innovation at CMS, or CMMI, to test innovative payment and service delivery models to lower Medicare and Medicaid spending, potentially including prescription drug spending; and implemented new transparency reporting requirements set forth as the Physician Payments Sunshine Act.
 Since its enactment there have been executive, judicial and Congressional challenges to certain aspects of the PPACA. For example, President Trump signed several Executive Orders and other directives designed to delay the implementation of certain provisions of the PPACA or otherwise circumvent some of the requirements for health insurance mandated by the PPACA. Concurrently, Congress has considered legislation that would repeal or repeal and replace all or part of the PPACA. On June 17, 2021 the U.S. Supreme Court dismissed a challenge on procedural grounds that argued the PPACA is unconstitutional in its entirety because the "individual mandate" was repealed by Congress. Further, on August 16, 2022, President Biden signed the Inflation Reduction Act of 2022, or IRA, into law, which among other things, extends enhanced subsidies for individuals purchasing health insurance coverage in PPACA marketplaces through plan year 2025. The IRA also eliminates the "donut hole" under the Medicare Part D program beginning in 2025 by significantly lowering the beneficiary maximum out-of-pocket cost and creating a new manufacturer discount program. It is possible that the PPACA will be subject to judicial or Congressional challenges in the future. It is unclear how any such challenges, and the healthcare reform measures of the Biden administration will impact the PPACA and our business.
 In addition, other legislative changes have been proposed and adopted since the PPACA was enacted. In August 2011, President Obama signed into law the Budget Control Act of 2011, which, among other things, created the Joint Select Committee on Deficit Reduction, or joint committee, to recommend proposals in spending reductions to Congress. The joint committee did not achieve its targeted deficit reduction of at least $1.2 trillion for the years 2013 through 2021, triggering automatic reductions to several government programs. These reductions include aggregate reductions to Medicare payments to providers of up to 2% per fiscal year, starting in 2013 and, due to subsequent legislative amendments, will remain in effect until 2032 unless additional

congressional action is taken. Under current legislation, the actual reduction in Medicare payments will vary from 1% in 2022 to up to 4% in the final fiscal year of this sequester. Additionally, on March 11, 2021, President Biden signed the American Rescue Plan Act of 2021 into law, which eliminates the statutory Medicaid drug rebate cap, currently set at 100% of a drug's average manufacturer price, for single source and innovator multiple source drugs, beginning January 1, 2024. In January 2013, President Obama signed into law the American Taxpayer Relief Act of 2012, which, among other things, reduced Medicare payments to several providers and increased the statute of limitations period for the government to recover overpayments to providers from three to five years.
 In addition, there have been several congressional inquiries and proposed and enacted federal and state legislation designed to, among other things, bring more transparency to drug pricing, review the relationship between pricing and manufacturer patient programs, and reform government program reimbursement methodologies for drug products. At the federal level, for example, in July 2021, the Biden administration released an executive order, "Promoting Competition in the American Economy," with multiple provisions aimed at prescription drugs. In response to Biden's executive order, on September 9, 2021, HHS released a Comprehensive Plan for Addressing High Drug Prices that outlines principles for drug pricing reform and sets out a variety of potential legislative policies that Congress could pursue to advance these principles. Further, the IRA, among other things (i) directs HHS to negotiate the price of certain high-expenditure, single-source drugs and biologics covered under Medicare and (ii) imposes rebates under Medicare Part B and Medicare Part D to penalize price increases that outpace inflation. These provisions will take effect progressively starting in fiscal year 2023. On August 29, 2023, HHS announced the list of the first ten drugs that will be subject to price negotiations, although the Medicare drug price negotiation program is currently subject to legal challenges. Further in response to the Biden administration's October 2022 executive order, on February 14, 2023, HHS released a report outlining three new models for testing by the CMMI which will be evaluated on their ability to lower the cost of drugs, promote accessibility, and improve quality of care. It is unclear whether the models will be utilized in any health reform measures in the future. On December 7, 2023, the Biden administration announced an initiative to control the price of prescription drugs through the use of march-in rights under the Bayh-Dole Act. On December 8, 2023, the National Institute of Standards and Technology published for comment a Draft Interagency Guidance Framework for Considering the Exercise of March-In Rights which for the first time includes the price of a product as one factor an agency can use when deciding to exercise march-in rights. While march-in rights have not previously been exercised, it is uncertain if that will continue under the new framework. At the state level, legislatures have increasingly passed legislation and implemented regulations designed to control pharmaceutical and biological product pricing, including price or patient reimbursement constraints, discounts, restrictions on certain product access and marketing cost disclosure and transparency measures, and, in some cases, designed to encourage importation from other countries and bulk purchasing. These new laws may result in additional reductions in Medicare and other healthcare funding, which could have a material adverse effect on our business.
 International Regulation
 In addition to regulations in the United States, there are a variety of foreign regulations governing clinical studies and commercial sales and distribution of our future product candidates. Whether or not FDA approval is obtained for a product, approval of a product must be obtained by the comparable regulatory authorities of foreign countries before clinical studies or marketing of the product can commence in those countries. The approval process varies from country to country, and the time may be longer or shorter than that required for FDA approval. The requirements governing the conduct of clinical studies, product licensing, pricing and reimbursement vary greatly from country to country. In addition, certain regulatory authorities in select countries may require us to repeat previously conducted preclinical and/or clinical studies under specific criteria for approval in their respective country which may delay and/or greatly increase the cost of approval in certain markets targeted for approval by us.

 Environment, Health and Safety
 Various laws and regulations have been implemented or are under consideration to mitigate the effects of climate change caused by greenhouse gas emissions. For example, the California Air Resources Board is in the process of drafting regulations to meet state emissions targets. Based on current information and subject to the finalization of the proposed regulations, we believe that our primary risk related to climate change is the risk of increased energy costs. However, because we are not an energy-intensive business, we do not anticipate being subject to a cap and trade system or any other mitigation measures that would likely be material to our capital expenditures, results of operations or competitive position.
 We are also subject to other federal, state and local regulations regarding workplace safety and protection of the environment. Our service providers use hazardous materials, chemicals, and various compounds in the furtherance of our research and development activities and we cannot eliminate the risk of accidental contamination or injury from these materials. Certain misuse or accidents involving these materials could lead to significant litigation, fines and penalties. We have implemented proactive programs to reduce and minimize the risk of hazardous materials incidents.
 Corporate Information
 CymaBay Therapeutics, Inc., formerly Metabolex, Inc., was incorporated under the laws of the State of Delaware on October 5, 1988, originally under the name Transtech Corporation. Our executive offices are located at 7601 Dumbarton Circle, Fremont, CA 94555. The telephone number at our executive office is (510) 293-8800. Our corporate website address is www.cymabay.com. We do not incorporate the information contained on, or accessible through, our website into this Annual Report on Form 10-K, and you should not consider it part of this Annual Report. We make available free of charge on or through our website our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act of 1934, as amended, or the Exchange Act, as soon as reasonably practicable after we electronically file such material with, or furnish it to, the SEC.
 Employees
 As of December 31, 2023, and January 31, 2024, we had 101 and 108 full-time employees, respectively.
 Information about our Executive Officers
 As of January 31, 2024, our executive officers were as follows:

 Name

 Age

 Position Held With CymaBay

 Sujal Shah

 President & Chief Executive Officer

 Charles A. McWherter, Ph. D.

 President of Research and Development and Chief Scientific Officer

 Paul T. Quinlan

 General Counsel and Chief Compliance Officer

 Harish Shantharam

 Chief Financial Officer

 Klara Dickinson

 Chief Regulatory and Quality Assurance Officer

 Biographical Information
 Sujal Shah has served as our President and Chief Executive Officer since November 2017. Prior to that he served as our Interim President and Chief Executive Officer from March 2017 to November 2017. From December 2013 to March 2017, Mr. Shah served as Chief Financial Officer. Prior to that he served as a consultant and acting Chief Financial Officer for us from June 2012 to December 2013. From 2010 to 2012,

Mr. Shah served as Director, Health Care Investment Banking for Citigroup Inc., where he was responsible for managing client relationships and executing strategic and financing related transactions for clients focused in life sciences. From 2004 to 2010 Mr. Shah was employed with Credit-Suisse, last serving in the capacity as Vice President, Health Care Investment Banking Group. Mr. Shah currently serves on the Board of Directors of Tvardi Therapeutics, Inc. Mr. Shah received an M.B.A. from Carnegie Mellon University—Tepper School of Business and M.S. and B.S. degrees in Biomedical Engineering from Northwestern University.
 Charles A. McWherter, Ph. D. has served as our President of Research and Development and Chief Scientific Officer since November 2022. Previously, he served as Chief Scientific Officer since 2013. From 2007 to 2013, he served as our Senior Vice President, Research and Preclinical Development. From 2003 to 2007, he served as Vice President and head of the cardiovascular therapeutics areas of Pfizer Inc., a biopharmaceutical company. From 2001 to 2003, Dr. McWherter served as Vice President of Drug Discovery at Sugen, Inc., a biopharmaceutical company acquired by Pfizer Inc. in 2003. Dr. McWherter obtained his Ph. D. from Cornell University.
 Paul T. Quinlan has served as our General Counsel, Chief Compliance Officer and Corporate Secretary since October 2020. He was also our General Counsel and Corporate Secretary from December 2017 to February 2020. Previously, Mr. Quinlan served as General Counsel and Secretary at TerraVia Holdings, Inc. (formerly Solazyme, Inc.), a biotechnology company, from 2010 until January 2018, where he was responsible for the general supervision of the company's legal affairs. From 2005 to 2010, Mr. Quinlan was General Counsel and Secretary at Metabolex, Inc., a biopharmaceutical company, and from 2000 to 2005, Mr. Quinlan held various positions in the legal department at Maxygen, Inc., a biopharmaceutical company, most recently that of Chief Corporate Securities Counsel. Prior to joining Maxygen, Mr. Quinlan was an associate at Cooley LLP and Cravath, Swaine & Moore LLP. Mr. Quinlan obtained a law degree from Columbia University Law School and a M.Sc. in Medical Biophysics from the University of Toronto.
 Harish Shantharam has served as our Chief Financial Officer since May 2023. Previously, he served as senior finance advisor at Eikon Therapeutics from August 2022. From October 2011 until May 2022, Mr. Shantharam held various positions in the finance department at Gilead Sciences, Inc., a pharmaceutical company, most recently Vice President of Global Commercial Finance. Before joining Gilead, Mr. Shantharam served in various roles of increasing responsibility supporting forecasting, commercial analytics, and business development at Amgen. Mr. Shantharam holds an MBA in finance from UCLA Anderson School of Management and a graduate degree in Industrial Engineering from the University of Texas, Arlington and is also a CFA charter holder.
 Klara Dickinson has served as our Chief Regulatory and Quality Assurance Officer since October 2020. Prior to that she was our Chief Regulatory and Compliance Officer since January 2019, and our Senior Vice President, Regulatory Affairs and Compliance since June 2017. Previously, she served as Senior Vice President, Chief Regulatory Officer of Anthera Pharmaceuticals, Inc., a biopharmaceutical company. From 2007 to 2014, she was Senior Vice President of Regulatory Affairs and Compliance at Hyperion Therapeutics Inc, where she was responsible for the general supervision of the company's regulatory affairs and quality assurance. Ms. Dickinson also spent three years at CoTherix, Inc. as Vice President, Regulatory Affairs and Healthcare Compliance Officer, and held various positions at biopharmaceutical companies such as Scios, Inc. and DEY Laboratories (a subsidiary of Mylan, Inc.). Ms. Dickinson holds a B.S. in Biology from the College of Great Falls in Montana and is certified by the Regulatory Affairs Certification Board.
 Item 1A. Risk Factors
 In addition to the factors discussed elsewhere in this report, the following are important factors that could cause actual results or events to differ materially from those contained in any forward-looking statements made by us or on our behalf. The risks and uncertainties described below are not the only ones we face. Additional risks and uncertainties not currently known to us or that we deem immaterial also may impair our business operations. If any of the following risks or such other risks actually occur, our business could be harmed.

 Risks Related to the Proposed Transaction with Gilead
 There are uncertainties as to the timing of the Offer and the Merger, including the risk that the Offer or the Merger may not be completed in a timely manner or at all.
 As described above, on February 23, 2024, Gilead and Purchaser commenced the Offer, which is scheduled to expire at one minute after 11:59 p.m., Eastern Time, on March 21, 2024, unless extended to permit satisfaction of the conditions to the Offer in accordance with the terms of the Offer and the Merger Agreement and the applicable rules and regulations of the SEC. There can be no assurance that the Offer and the Merger will be completed in the currently contemplated timeframe, or at all. While it is currently expected that the Offer and the Merger will close during the first quarter of 2024, there can be no assurance that all required approvals will be obtained or that all closing conditions will otherwise be satisfied (or waived, if applicable), and, if all required approvals are obtained and all closing conditions are satisfied (or waived, if applicable), we can provide no assurance as to the terms, conditions and timing of such approvals or that the Offer and the Merger will be completed in a timely manner or at all.
 The Merger Agreement contains customary mutual termination rights for us and Gilead, as well as customary termination rights for the benefit of each party, in each case which could prevent the consummation of the Offer and the Merger.
 If the Offer and the Merger are not completed within the expected timeframe or at all, we may be subject to a number of material risks, including: the trading price of our Shares may significantly decline to the extent that the market price of the Shares reflect positive market assumptions that the Offer and the Merger will be completed, and the related benefits will be realized; if the Merger Agreement is terminated under certain specified circumstances, we will be required to pay Gilead a termination fee of $151.6 million; the obligation to pay significant transaction costs, such as legal, accounting and financial advisory costs that are not contingent on closing of the Offer and the Merger; the diversion of management's attention from our ongoing business operations towards the Offer and the Merger, for which we will have received little or no benefit if completion of the Offer and the Merger does not occur; and reputational harm including relationships with customers and business partners due to the adverse perception of any failure to successfully complete the Offer and the Merger.
 Our ability to complete the Merger is subject to certain closing conditions that could adversely affect us or cause the Merger to be abandoned.
 The obligation of Purchaser to accept for payment Shares validly tendered pursuant to the Offer is subject to customary closing conditions, including: (i) Shares having been validly tendered and not validly withdrawn that, considered together with all other Shares (if any) beneficially owned by Gilead and its affiliates, represent one more Share than 50% of the total number of Shares outstanding at the time of the expiration of the Offer (including, for the avoidance of doubt, all Shares that become outstanding as a result of the "cashless exercise" of the outstanding pre-funded warrants of the Company, as described above); (ii) the accuracy of the Company's representations and warranties contained in the Merger Agreement (subject to any applicable Material Adverse Effect (as defined in the Merger Agreement) and materiality qualifiers); (iii) the absence of a willful and material breach by the Company of the "no-shop" restrictions described in the Merger Agreement and the Company's performance of its other obligations, covenants and agreements under the Merger Agreement in all material respects; (iv) the absence, since the date of the Merger Agreement, of any Material Adverse Effect; (v) the expiration or early termination of the waiting period applicable to the Offer under the HSR Act, and if Gilead and the Company have entered into an agreement with any governmental body regarding the timing of the consummation of the Offer, such consummation being permitted under such agreement and (vi) the absence of any judgment, temporary restraining order, preliminary or permanent injunction or other order, decree or ruling restraining, enjoining or otherwise preventing the acquisition of or payment for Shares pursuant to the Offer or the consummation of the Offer or the Merger or subsequent integration. There can be no assurance that all closing conditions will be satisfied (or waived, if applicable), and, if all closing conditions are satisfied (or

waived, if applicable), we can provide no assurance as to the terms, conditions and timing of such satisfaction (or waiver, if applicable) or that the Offer and the Merger will be completed in a timely manner or at all. The consummation of the Offer and the Merger is not subject to a financing condition.
 The Merger Agreement contains provisions that could discourage a potential competing acquirer of the Company or could result in a competing acquisition proposal being at a lower price than it might otherwise be.
 The Merger Agreement contains provisions that, subject to certain exceptions, restrict our ability to solicit or negotiate any alternative acquisition proposal. The Merger Agreement contains certain termination rights for the Company and Gilead, including, among others, the right of (i) the Company to terminate the Merger Agreement in order to enter into a binding written definitive acquisition agreement providing for the consummation of a transaction for a Superior Offer (as defined in the Merger Agreement) and (ii) Gilead to terminate the Merger Agreement as a result of our Board of Directors changing its recommendation with respect to the Offer. Upon termination of the Merger Agreement under specified circumstances, the Company will be required to pay Gilead a termination fee in the amount of $151.6 million. These provisions could discourage a potential competing acquirer that might have an interest in acquiring all or a significant part of our business from considering or making a competing acquisition proposal, even if the potential competing acquirer was prepared to pay consideration with a higher per share cash value than the market value proposed to be received or realized in the Offer and the Merger, or might cause a potential competing acquirer to propose to pay a lower price than it might otherwise have proposed to pay because of the added expense of the termination fee and other costs that may become payable in certain circumstances under the Merger Agreement.
 The announcement or pendency of the Transactions may result in disruptions to our business, divert management's attention and/or disrupt our relationships with third parties and employees, any of which could negatively impact our operating results and ongoing business.
 The Merger Agreement generally requires us to conduct our business in the ordinary course, subject to certain exceptions, including as required by applicable law, pending consummation of the Transactions, and subjects us to customary interim operating covenants that restrict us, without Gilead's approval (such approval not to be unreasonably withheld, delayed or conditioned), from taking certain specified actions until the Transactions are consummated or the Merger Agreement is terminated in accordance with its terms. These restrictions could prevent us from pursuing certain business opportunities that may arise prior to the consummation of the Transactions and may affect our ability to execute our business strategies and attain financial and other goals and may impact our financial condition, results of operations and cash flows.
 Our current and prospective employees may experience uncertainty about their future roles with us following the consummation of the Transactions, which may materially adversely affect our ability to retain and hire key personnel and other employees while the Transactions are pending. The pending Transactions could cause disruptions to our business or business relationships with our existing and potential suppliers and others with whom we do business, and this could have an adverse impact on our operating results and business generally. Parties with which we have business relationships may experience uncertainty as to the future of such relationships and may delay or defer certain business decisions, seek alternative relationships with third parties, or seek to negotiate changes or alter their present business relationships with us. Parties with whom we otherwise may have sought to establish business relationships may seek alternative relationships with third parties.
 The pursuit of the Transactions may place a significant burden on management and internal resources, which may have a negative impact on our ongoing business operations. It may also divert management's time and attention from the day-to-day operation of our businesses and the execution of our other strategic initiatives. This could adversely affect our financial results.

 Stockholder litigation in connection with the Transactions may result in significant costs of defense, indemnification and liability.
 The Company may be subject to stockholder lawsuits challenging the Transactions. No assurance can be made as to the outcome of these and other similar lawsuits, including the amount of costs associated with defending such claims or any other liabilities that may be incurred in connection with the litigation of such claims. If plaintiffs are successful in obtaining an injunction prohibiting completion of the Transactions on the agreed-upon terms, such an injunction may delay the completion of the Transactions in the expected timeframe or may prevent the Transactions from being completed altogether. Whether or not any plaintiff's claim is successful, such litigation may result in significant costs of defense, indemnification and liability, and diverts management's attention and resources, which could adversely affect our ongoing business operations.
 Risks Related to Our Financial Condition and Capital Requirements
 We will need additional capital in the future to sufficiently fund our operations and research.
 We have incurred significant net losses since our inception. We anticipate that we will continue to incur significant losses for the foreseeable future, and we may never achieve or maintain profitability. As of December 31, 2023, we had cash, cash equivalents and marketable securities totaling $416.2 million. To date, we have raised capital primarily through equity financings, licensing transactions and a structured finance arrangement. For example, in January 2023, we entered into a Collaboration and License Agreement with Kaken Pharmaceutical Co., Ltd. (Kaken), granting Kaken an exclusive license to commercialize and market seladelpar for the treatment of primary biliary cholangitis (PBC) in Japan in consideration for an upfront payment to us of $34.2 million that was paid in January 2023, potential milestone payments to us totaling up to 17.0 billion (approximately $128.0 million at contract inception date) for the achievement of certain regulatory and sales milestones in Japan and additional payments to us for the supply of seladelpar to Kaken. In September 2023, we sold 14,521,307 shares of common stock at $17.13 per share and a pre-funded warrant to purchase 583,771 shares of common stock in a public equity offering for total gross offering proceeds of approximately $258.7 million. In January 2023, we sold 11,821,428 shares of common stock at $7.00 per share and a pre-funded warrant to purchase 2,142,857 shares of common stock at $6.9999 per share in a public equity offering for total gross offering proceeds of $97.7 million. In July 2021, we entered into a Development Financing Agreement with an affiliate of Abingworth LLP ("Abingworth") pursuant to which Abingworth provided $75 million in funding to us. We may need to raise additional equity and/or debt capital or enter into strategic transactions to fund our continued operations, including clinical trials, other product development and pre-commercialization activities. Our monthly spending levels vary based on new and ongoing development and corporate activities. Developing pharmaceutical products, including conducting preclinical studies and clinical trials, is a time-consuming, expensive and uncertain process that takes years to complete.
 In the event we do not successfully raise sufficient funds to finance our operations, we will curtail our product development activities and other activities commensurate with the magnitude of the shortfall and our product development activities may cease altogether. To the extent that the costs of our activities exceed our current estimates and we are unable to raise sufficient additional capital to cover such additional costs, we will need to reduce operating expenses, sell assets, enter into strategic transactions, or effect a combination of the above. No assurance can be given that we will be able to enter into any of such transactions on acceptable terms, if at all.
 Our future funding requirements and sources will depend on many factors, including but not limited to the following:

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 the rate of progress and cost of our clinical studies;

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 the need for additional or expanded clinical studies;

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 the rate of progress and cost of our Chemistry, Manufacturing and Control development, registration, validation and commercial programs;

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 the timing, economic and other terms of any licensing, collaboration or other similar arrangement into which we may enter;

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 the costs and timing of seeking and obtaining FDA and other regulatory approvals;

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 the extent of our other development activities;

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 the costs and scope of our pre-commercialization activities;

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 the costs of filing, prosecuting, defending and enforcing our patent claims and other intellectual property rights;

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 macroeconomic conditions that may impact our operations and financial condition; and

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 the effect of competing products and market developments.

 If we are unable to raise additional capital in sufficient amounts or on terms acceptable to us, we may be prevented from pursuing development and commercialization efforts, which would have a material adverse effect on our business, operating results, prospects, and on our ability to develop and commercialize our product candidates.
 Failure to remain in compliance with our obligations under the Development Financing Agreement (the Financing Agreement) with Abingworth could lead to the acceleration of potentially significant payments to Abingworth.
 In July 2021, we entered into a Development Financing Agreement with Abingworth, pursuant to which Abingworth has provided $75 million in funding to us to support our development of seladelpar for the treatment of PBC. Pursuant to the Financing Agreement, we are required to use commercially reasonable efforts to develop seladelpar and complete our development program in accordance with the Financing Agreement and an agreed timeline. In return, we are obligated to pay to Abingworth (1) upon the first to occur of regulatory approval of seladelpar for the treatment of PBC in the U.S., U.K., Germany, Spain, Italy or France (Regulatory Approval), fixed success payments equal to 2.0x of the funding provided and (2) variable success payments equal to 1.1x of the funding provided upon first reaching certain U.S. product sales milestones. At the time that Abingworth receives, collectively, an aggregate of 3.1x of the funding provided, our payment obligations under the Financing Agreement will be fully satisfied.
 The Financing Agreement terminates upon the payment of all payments owing to Abingworth, unless earlier terminated. The Agreement may be earlier terminated in a number of circumstances including (i) by Abingworth if we fail to use commercially reasonable efforts to develop seladelpar as set forth in the Financing Agreement or if we fail to make required payments (Fundamental Breach) or (ii) by either party if the other party materially breaches the Agreement (Material Breach). In certain instances, upon the termination of the Financing Agreement, we will be obligated to pay Abingworth a multiple of the amounts paid to us under the Agreement, including specifically,

 (i)

 310% of such amounts in the event that Abingworth terminates the agreement due to (x) a Fundamental Breach, (y) our bankruptcy, or (z) a safety concern resulting from gross negligence on our part or due to a safety concern that was material on the Effective Date and the material data showing such safety concern was not publicly known, disclosed to Abingworth, or in the diligence room made available to Abingworth,

 (ii)

 200% of such amounts in the event the Agreement is terminated due to (x) our Material Breach or (y) the security interests of Abingworth being invalidated or terminated other than as set forth in the Financing Agreement, and

 (iii)

 100% of such amounts in the event of certain irresolvable disagreements within the executive review committee overseeing our development of seladelpar.

 In addition, if, following certain terminations, we continue to develop seladelpar for the treatment of PBC and obtain Regulatory Approval, we will make the payments to Abingworth as if the Financing Agreement had not been terminated, less any payments made upon termination.
 The payments required under the Financing Agreement are significant. Failure to raise sufficient capital or generate sufficient revenue to make such payments if and as they become due, or failure to otherwise finance such payments would have a material adverse effect on our business. In addition, if we are unable to comply with our obligations under the Financing Agreement and/or one of the termination events described above occurs our payments obligations thereunder may be accelerated. The acceleration of payments under the Financing Agreement would have a material impact on our business and we may not be able to make such payments at such time.
 Our ability to generate future revenues from product sales is uncertain and depends upon our ability to successfully develop, obtain regulatory approval for, and commercialize product candidates.
 Our ability to generate revenue and achieve profitability depends on our ability, alone or with collaborators, to successfully complete the development of, obtain the necessary regulatory approvals for, and commercialize, product candidates. We do not anticipate generating revenues from sales of our product candidates in the immediate future, if ever.
 Conducting preclinical testing and clinical trials is a time-consuming, expensive, and uncertain process that takes years to complete, and we may never generate the necessary data required to obtain regulatory approval and achieve product sales. Our anticipated development costs would likely increase if we do not obtain favorable results or if development of our product candidates is delayed. In particular, we would likely incur higher costs than we currently anticipate if development of our product candidates is delayed because we are required by a regulatory authority such as the FDA to perform studies or trials in addition to our current trials. Because of the numerous risks and uncertainties associated with pharmaceutical product development, we are unable to predict the timing or amount of any increase in our anticipated development costs.
 In addition, our product candidates, if approved, may not achieve commercial success. Even if one or more of our product candidates is approved for commercial sale, we anticipate incurring significant costs in connection with commercialization. As a result, we cannot assure you that we will be able to generate revenues from sales of any approved products, or that we will achieve or maintain profitability even if we do generate sales.
 Raising additional capital may cause dilution to our existing stockholders, restrict our operations or require us to relinquish rights to our technologies or product candidates.
 Until such time, if ever, as we can generate substantial product revenues, we expect to finance our cash needs through a combination of equity offerings, debt financings, collaborations, strategic alliances, licensing arrangements and marketing and distribution arrangements. We do not have any committed external source of funds. If appropriate opportunities become available, we may seek to raise additional equity and/or debt capital to fund our continued operations.
 To raise additional funds to support our operations, we may sell additional equity or debt securities, enter into collaborations, strategic alliances, or licensing arrangements or other marketing or distribution arrangements. To the extent that we raise additional capital through the sale of equity or convertible debt securities, ownership interests of our stockholders will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect the rights of stockholders. Debt financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt,

making capital expenditures, and declaring dividends, and may impose limitations on our ability to acquire, sell or license intellectual property rights and other operating restrictions that could adversely impact our ability to conduct our business.
 If we raise additional funds through collaborations, strategic alliances, licensing arrangements or other marketing or distribution arrangements with third parties, we may have to relinquish valuable rights to our intellectual property, technologies, future revenue streams, research programs or product candidates, or grant licenses on terms that may not be favorable to us.
 If we are unable to expand our operations or otherwise capitalize on our business opportunities, our business, financial condition and results of operations could be materially adversely affected. If we are unable to raise additional funds through equity or debt financings when needed, we may be required to delay, limit, reduce or terminate our product development or commercialization efforts, or grant others rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves.
 Adverse developments affecting the financial services industry, such as actual events or concerns involving liquidity, defaults or non-performance by financial institutions could adversely affect our current financial condition and projected business operations.
 Actual events involving limited liquidity, defaults, non-performance or other adverse developments that affect financial institutions, transactional counterparties or other companies in the financial services industry or the financial services industry generally, or concerns or rumors about any events of these kinds or other similar risks, have in the past and may in the future lead to market-wide liquidity problems. For example, on March 10, 2023, Silicon Valley Bank (SVB), where we currently hold a portion of our cash and cash equivalents, was closed by the California Department of Financial Protection and Innovation, which appointed the Federal Deposit Insurance Corporation (FDIC), as receiver. On March 12, 2023, the Department of the Treasury, the Federal Reserve and the FDIC jointly released a statement that depositors at SVB would have access to their funds, even those funds in excess of FDIC insurance limits, under a systemic risk exception. As of March 13, 2023, we had access to our cash and cash equivalents at SVB; however, there is uncertainty in the markets regarding the stability of regional banks and the safety of deposits in excess of the FDIC insured deposit limits. The ultimate outcome of these events cannot be predicted, but these events could have a material adverse effect on our business operations if our ability to access funds at SVB or any other banks we use is compromised.
 Risks Related to Clinical Development and Regulatory Approval
 After the completion of our clinical trials, we cannot predict whether or when we will obtain regulatory approval to commercialize our product candidates and we cannot, therefore, predict the timing of any future revenue from our product candidates. Regulatory approval of a product candidate is not guaranteed, and the approval process is expensive, uncertain and lengthy.
 We cannot commercialize our product candidates until the appropriate regulatory authorities, such as the FDA, have reviewed and approved the product candidate. The regulatory agencies may not complete their review processes in a timely manner, or we may not be able to obtain regulatory approval for our product candidates. Additional delays may result if a product candidate is brought before an FDA advisory committee, which could recommend restrictions on approval or recommend non-approval of the product candidate. In addition, we may experience delays or rejections based upon additional government regulation from future legislation or administrative action, or changes in regulatory agency policy during the period of product development, clinical studies and the review process. As a result, we cannot predict when, if at all, we will receive any future revenue from commercialization of any of our product candidates. The FDA and foreign regulatory authorities have

substantial discretion in the drug approval process, including the ability to delay, limit or deny approval of a product candidate for many reasons, including the following:

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 we may be unable to demonstrate to the satisfaction of regulatory authorities that a product candidate is safe and effective for any indication;

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 regulatory authorities may not find the data from nonclinical studies and clinical studies sufficient or may differ in the interpretation of the data;

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 regulatory authorities may require additional nonclinical or clinical studies;

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 regulatory authorities might not approve our third-party manufacturers' processes or facilities for clinical or commercial product;

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 regulatory authorities may change their approval policies or adopt new regulations;

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 regulatory authorities may disagree with the design or implementation of our clinical studies;

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 regulatory authorities may not accept clinical data from studies that are conducted in countries where the standard of care is potentially different from the jurisdiction of that regulatory authority;

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 the results of clinical studies may not meet the level of statistical significance required by regulatory authorities for approval;

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 we may be unable to demonstrate that a product candidate's clinical and other benefits outweigh its safety risks; or

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 the data collection from clinical studies of our product candidates may not be sufficient to support the submission of a new drug application (NDA), marketing authorization or other equivalent submission, or to obtain regulatory approval in the United States or elsewhere.

 In addition, events raising questions about the safety of certain marketed pharmaceuticals may result in increased caution by the FDA and other regulatory authorities in reviewing new pharmaceuticals based on safety, efficacy or other regulatory considerations and may result in significant delays in obtaining regulatory approvals.
 Even if we obtain regulatory approval for our product candidates, we will still face extensive regulatory requirements and our products may face future development and regulatory difficulties.
 Even if we obtain regulatory approval in the United States, the FDA may still impose significant restrictions on the indicated uses or marketing of our products or impose ongoing requirements for potentially costly post-approval studies or post-market surveillance. Our products would be subject to additional ongoing FDA requirements governing the labeling, packaging, storage, distribution, safety surveillance, advertising, promotion, record-keeping and reporting of safety and other post-market information. The holder of an approved NDA is obligated to monitor and report adverse events (AEs) and any failure of a product to meet the specifications in the NDA. The holder of an approved NDA must also submit new or supplemental applications and obtain FDA approval for certain changes to the approved product, product labeling or manufacturing process. Advertising and promotional materials must comply with FDA rules and are subject to FDA review, in addition to other potentially applicable federal and state laws. Furthermore, promotional materials must be approved by the FDA prior to use for any drug receiving accelerated approval.
 In addition, manufacturers of drug products and their facilities are subject to payment of user fees and continual review and periodic inspections by the FDA and other regulatory authorities for compliance with current Good Manufacturing Practices (cGMP), and adherence to commitments made in the NDA. If we, or a regulatory agency, discover previously unknown problems with a product, such as quality issues or AEs of unanticipated severity or frequency, or problems with the facility where the product is manufactured, a regulatory agency may impose restrictions relative to that product or the manufacturing facility, including requesting recall or withdrawal of the product from the market or suspension of manufacturing.

 If we, or our third-party contractors, fail to comply with applicable regulatory requirements following approval of our product candidate, a regulatory agency may:

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 issue an untitled or warning letter asserting violation of the law;

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 seek an injunction or impose civil or criminal penalties up to and including imprisonment or monetary fines;

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 suspend or withdraw regulatory approval;

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 suspend any ongoing clinical trials;

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 refuse to approve a pending NDA or supplements to an NDA; or

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 request recall and/or seize product.

 Any government investigation of alleged violations of law could require us to expend significant time and resources in response and could generate negative publicity. The occurrence of any event or penalty described above may inhibit our ability to commercialize our products and inhibit our ability to generate revenues.
 The FDA and other regulatory agencies strictly regulate the promotional claims that may be made about prescription products. If we are found to have improperly promoted our products, we may become subject to significant fines and other liability.
 The FDA and other regulatory agencies strictly regulate the promotional claims that may be made about prescription products. In particular, a product may not be promoted for uses that are not approved by the FDA or such other regulatory agencies as reflected in the product's approved labeling. The FDA and other regulatory agencies also regulate the pre-approval promotion of an unapproved drug. If we receive marketing approval for our product candidates, physicians may nevertheless prescribe such products to their patients in a manner that is inconsistent with the approved label. If we are found to have promoted such off-label uses, we may become subject to significant government fines and other related liability, such as enforcement letters, inquiries, investigations and civil and criminal sanctions. For example, the federal government has levied large civil and criminal fines against companies for alleged improper promotion and has enjoined several companies from engaging in off-label promotion. The FDA also has requested that companies enter into consent decrees or permanent injunctions under which specified promotional conduct is changed or curtailed.
 Even if we obtain FDA approval for our product candidates in the United States, we may never obtain approval for or commercialize our product candidates outside of the United States, which would limit our ability to realize their full market potential.
 In order to market any products outside of the United States, we must establish and comply with numerous and varying regulatory requirements on a country-by-country basis regarding safety and efficacy. Approval by the FDA does not ensure approval by regulatory authorities in other countries or jurisdictions. In addition, clinical trials conducted in one country may not be accepted by regulatory authorities in other countries, and regulatory approval in one country does not guarantee regulatory approval in any other country. Approval processes vary among countries and can involve additional product testing and validation and additional administrative review periods. Seeking foreign regulatory approval could result in difficulties and costs for us and require additional preclinical studies or clinical trials that could be costly and time consuming. Regulatory requirements can vary widely from country to country and could delay or prevent the introduction of our products in those countries. We do not have any product candidates approved for sale in any jurisdiction, including international markets, and we do not have experience in obtaining regulatory approval in international markets. If we fail to comply with regulatory requirements in international markets or to obtain and maintain required approvals, or if regulatory approvals in international markets are delayed, our target market will be reduced and our ability to realize the full market potential of our products will be unrealized.

 Coverage and adequate reimbursement may not be available for our future products, which could make it difficult for us to sell profitably, if approved.
 Market acceptance and sales of any products that we commercialize will depend in part on the extent to which coverage and adequate reimbursement will be available from third-party payors, including government health administration authorities, managed care organizations and private health insurers. Third-party payors decide which therapies they will pay for and establish reimbursement levels. Third-party payors in the United States often rely upon Medicare coverage policy and payment limitations in setting their own coverage and reimbursement policies. However, decisions regarding the extent of coverage and amount of reimbursement to be provided for any products that we develop will be made on a payor-by-payor basis. One payor's determination to provide coverage for a drug does not assure that other payors will also provide coverage and adequate reimbursement for the drug. Additionally, a third-party payor's decision to provide coverage for a therapy does not imply that an adequate reimbursement rate will be approved. Third-party payors are increasingly challenging the price, examining the medical necessity and reviewing the cost-effectiveness of medical products, therapies and services, in addition to questioning their safety and efficacy. We cannot be sure that coverage and reimbursement in the United States or elsewhere will be available for any product that we may develop, and any reimbursement that may become available may be decreased or eliminated in the future.
 Our relationships with health care professionals, customers and payors may be subject to applicable anti-kickback, fraud and abuse and other health care laws and regulations, which could expose us to significant penalties, including criminal sanctions, civil penalties, contractual damages, reputational harm and diminished profits and future earnings.
 Health care professionals and third-party payors will play a primary role in the recommendation and prescription of any products for which we obtain marketing approval. Our current and future arrangements with healthcare professionals, third-party payors and customers may expose us to broadly applicable fraud and abuse and other health care laws and regulations that may constrain the business or financial arrangements and relationships through which we research, as well as market, sell and distribute our products. Restrictions under applicable federal and state health care laws and regulations, include the federal Anti-Kickback Statute, the federal False Claims Act, Health Insurance Portability and Accountability Act of 1996, or HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act, or HITECH, the federal false statements statute, the federal transparency requirements under the PPACA, as amended by the Health Care and Education Reconciliation Act, commonly referred to as the Physician Payments Sunshine Act, and analogous state laws and regulations, such as state anti-kickback and false claims laws.
 Efforts to ensure that our business arrangements with third parties will comply with applicable health care laws and regulations will involve substantial costs. It is possible that governmental authorities will conclude that our business practices may not comply with current or future statutes, regulations or case law involving applicable fraud and abuse or other health care laws and regulations. If our operations are found to be in violation of any of these laws or any other governmental regulations that may apply to us, we may be subject to significant civil, criminal and administrative penalties, damages, fines, disgorgement, exclusion from government funded health care programs, such as Medicare and Medicaid, integrity oversight and reporting obligations, and the curtailment or restructuring of our operations. If any of the physicians or other providers or entities with whom we expect to do business are found to be not in compliance with applicable laws, they may be subject to significant criminal, civil or administrative sanctions, including exclusions from government funded health care programs.
 Current laws and future legislation may increase the difficulty and cost for us to obtain marketing approval of and commercialize our product candidates and affect the prices we may obtain.
 In the United States and some foreign jurisdictions, there have been a number of legislative and regulatory changes and proposed changes regarding the health care system that could prevent or delay marketing approval

of our product candidates, restrict or regulate post-approval activities and affect our ability to profitably sell any products for which we obtain marketing approval.
 For example, the PPACA was enacted to broaden access to health insurance, reduce or constrain the growth of health care spending, enhance remedies against fraud and abuse, add new transparency requirements for health care and health insurance industries, impose new taxes and fees on the health industry and impose additional health policy reforms. Since its enactment there have been judicial and Congressional challenges to certain aspects of the PPACA as well as efforts to repeal or replace certain aspects of the PPACA. For example, Congress considered legislation that would repeal or repeal and replace all or part of the PPACA. While Congress has not passed comprehensive repeal legislation, it has enacted laws that modify certain provisions of the PPACA. It is unclear how litigation and healthcare reform measures will impact the PPACA and our business.
 Legislative and regulatory proposals have been made to expand post-approval requirements and restrict sales and promotional activities for pharmaceutical products. In addition, there have been several recent congressional inquiries, proposed bills and other proposals designed to, among other things, bring more transparency to drug pricing, review the relationship between pricing and manufacturer patient programs, and reform government program reimbursement methodologies for drug products including instituting reference pricing. At the federal level, for example, in July 2021, the Biden administration released an executive order, "Promoting Competition in the American Economy," with multiple provisions aimed at prescription drugs. In response to Biden's executive order, on September 9, 2021, HHS released a Comprehensive Plan for Addressing High Drug Prices that outlines principles for drug pricing reform and sets out a variety of potential legislative policies that Congress could pursue to advance these principles. Further, on August 16, 2022, President Biden signed the Inflation Reduction Act of 2022 (IRA) into law, which among other things, extends enhanced subsidies for individuals purchasing health insurance coverage in PPACA marketplaces through plan year 2025. The IRA also eliminates the "donut hole" under the Medicare Part D program beginning in 2025 by significantly lowering the beneficiary maximum out-of-pocket cost and through a newly established manufacturer discount program. In addition, the IRA, among other things, (1) directs the U.S. Department of Health and Human Services to negotiate the price of certain single-source drugs and biologics covered under Medicare and (2) imposes rebates under Medicare Part B and Medicare Part D to penalize price increases that outpace inflation. These provisions will take effect progressively starting in fiscal year 2023, although the Medicare drug price negation program is currently subject to legal challenges. However, it is unclear whether the Biden administration will work to reverse these measures or pursue similar policy initiatives. At the state level, legislatures have increasingly passed legislation and implemented regulations designed to control pharmaceutical and biological product pricing, including price or patient reimbursement constraints, discounts, restrictions on certain product access and marketing cost disclosure and transparency measures, and, in some cases, designed to encourage importation from other countries and bulk purchasing.
 We are not sure whether additional legislative changes will be enacted, or whether the FDA regulations, guidance or interpretations will be changed, or what the impact of such changes on the marketing approvals of our product candidates and our business, if any, may be.
 We depend on the success of our product candidates and we may not obtain regulatory approval or successfully commercialize our product candidates.
 We have not marketed, distributed or sold any products. The success of our business depends upon our ability to develop and commercialize our product candidates. A concentration of risk and reliance on one product candidate may develop if we are unsuccessful, or less successful, in developing a product pipeline. The success of any product candidate will depend on many factors, including the following:

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 successful enrollment and completion of clinical trials, including, in the case of RESPONSE, sufficient subjects that received liver biopsies;

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 the successful and timely collection and analysis of trial data;

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 receipt of marketing approvals from the FDA and regulatory authorities outside the United States for the product candidate;

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 establishing commercial manufacturing capabilities by making arrangements with third-party manufacturers;

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 launching commercial sales of the product, whether alone or in collaboration with others;

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 acceptance of the product by patients, the medical community and third-party payors;

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 effectively competing with other therapies;

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 a continued acceptable safety profile of the product following marketing approval; and

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 obtaining, maintaining, enforcing and defending intellectual property rights and claims.

 If we do not achieve one or more of these factors in a timely manner or at all, we could experience significant delays or an inability to successfully commercialize our product candidates, which would materially harm our business.
 We depend on the successful completion of clinical trials for our product candidates.
 Clinical testing is expensive, difficult to design and implement, can take many years to complete and is uncertain as to outcome. A failure of one or more of our clinical trials can occur at any stage, and interim results of a clinical trial do not necessarily predict final results. Moreover, preclinical and clinical data are often susceptible to varying interpretations and analyses, and companies that have believed their product candidates performed satisfactorily in preclinical studies and clinical trials have nonetheless failed to obtain marketing approval for their products.
 We may experience a number of unforeseen events during clinical trials for our product candidates that could delay or prevent the commencement and/or completion of our clinical trials, including the following:

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 regulators or institutional review boards may not authorize us or our investigators to commence a clinical trial or conduct a clinical trial at a prospective trial site;

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 the clinical study protocol may require one or more amendments delaying study completion;

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 clinical trials of our product candidates may produce negative or inconclusive results, and we may decide, or regulators may require us, to conduct additional clinical trials or abandon product development programs;

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 the number of subjects required for clinical trials of our product candidates may be larger than we anticipate, enrollment in these clinical trials may be insufficient or slower than we anticipate, we may have to compete with other clinical trials to enroll eligible subjects, or subjects may drop out of these clinical trials at a higher rate than we anticipate;

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 the number of patients in our RESPONSE clinical trial that received biopsies may be insufficient to satisfy regulatory requirements;

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 clinical investigators or study subjects may fail to comply with clinical study protocols;

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 trial conduct and data analysis issues may occur, including, but not limited to, failure to collect and analyze data in a timely manner, data entry and/or labeling errors or data analysis errors;

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 our third-party contractors may fail to comply with regulatory requirements or meet their contractual obligations to us in a timely manner, or at all;

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 we might have to suspend or terminate clinical trials of our product candidates for various reasons, including a finding that the subjects are being exposed to unacceptable health risks;

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 geo-political actions may interfere with our clinical trials;

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 regulators or institutional review boards may require that we or our investigators suspend or terminate clinical research for various reasons, including noncompliance with regulatory requirements;

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 the cost of clinical trials of our product candidates may be greater than we anticipate;

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 reports of initial clinical results or topline data may change as additional source validation is undertaken;

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 the supply or quality of our clinical trial materials or other materials necessary to conduct clinical trials of our product candidates may be insufficient or inadequate; and

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 our product candidates may have undesirable side effects or other unexpected characteristics, causing us or our investigators to suspend or terminate the trials.

 Because successful development of product candidates is uncertain, we are unable to estimate the actual funds required to complete research and development and commercialize our products under development.
 Negative or inconclusive results of our future clinical trials of product candidates could cause the FDA or other regulatory authorities to require that we repeat or conduct additional clinical studies. If later stage clinical trials do not produce favorable results, our ability to obtain regulatory approval for our product candidates may be adversely impacted. For example, we recently filed an NDA seeking approval from the FDA for seladelpar for the second line treatment of PBC. The combined data from our trials may not be sufficient to gain approval from the FDA.
 Geo-political turmoil between Russia and Ukraine have caused us to wind down clinical trial activity in Russia.
 We had a small number of clinical sites in Russia in our RESPONSE clinical trial. Ongoing geo-political turmoil and continuing military action in the region, together with widening sanctions imposed on Russia, caused us to wind down clinical trial activity in Russia. Clinical trial activity in Russia concluded in the end of the fourth quarter of 2023.
 Delays in clinical trials are common and have many causes, and any delay could result in increased costs to us and jeopardize or delay our ability to obtain regulatory approval and commence product sales.
 Clinical testing is expensive, difficult to design and implement, can take many years to complete, and is uncertain as to outcome. We may experience delays in clinical trials at any stage of the development and testing of our product candidates, and any delay could result in increased costs to us. Any clinical trial we undertake may not begin on time, have an effective design, enroll a sufficient number of subjects, or be completed on schedule, if at all.
 Events that may result in delays or unsuccessful completion of clinical trials include the following:

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 competition for eligible patients from competing clinical trials;

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 delays in obtaining regulatory approval to commence a trial;

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 delays in reaching agreement with the FDA or other regulatory authorities on final trial design;

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 imposition of a clinical hold following a reported safety event;

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 an inspection of our clinical trial operations or trial sites by the FDA or other regulatory authorities;

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 delays in reaching agreement on acceptable terms with prospective contract research organizations (CROs) and clinical trial sites;

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 delays in obtaining required institutional review board (IRB) approval at each site;

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 delays in recruiting suitable patients to participate in a trial;

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 delays in having subjects complete participation in a trial or return for post-treatment follow-up;

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 delays caused by subjects dropping out of a trial due to side effects or otherwise;

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 changes to treatment guidelines or the introduction of a new standard of care;

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 delays caused by clinical sites dropping out of a trial;

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 time required to add new clinical sites;

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 delays by our contract manufacturers to produce and deliver sufficient supply of clinical trial materials; and

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 delays in importing clinical trial materials into foreign countries where our clinical trials are being conducted.

 If initiation or completion of any clinical trials we may undertake for our product candidates is delayed for any of the above reasons, our development costs may increase, the approval process could be delayed, any periods during which we may have the exclusive right to commercialize our product candidates may be reduced and our competitors may bring products to market before us. Any of these events could impair our ability to generate revenues from product sales, which would have a material adverse effect on our business.
 Our product candidates may cause adverse effects or have other properties that could delay or prevent their regulatory approval or limit the scope of any approved label or market acceptance.
 In May 2016, we announced results of a High Dose Phase 2 clinical study of seladelpar in patients with PBC. During the course of this trial three cases of asymptomatic, reversible transaminase elevations occurred, and we made the decision to discontinue the study early after review of safety and efficacy data demonstrated a need for further dose reduction to optimize clinical safety and efficacy. The emergence of AEs and histological observations in subsequent seladelpar clinical trials could prevent us from further developing seladelpar or could result in the denial of regulatory approval.
 Furthermore, if any of our approved products cause serious or unexpected side effects after receiving market approval, a number of potentially significant negative consequences could result, including the following:

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 regulatory authorities may withdraw their approval of the product or impose restrictions on its distribution in a form of a risk evaluation and mitigation strategy (REMS) plan;

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 regulatory authorities may require the addition of labeling statements, such as black box or other warnings or contraindications that could diminish the usage of the product or otherwise limit the commercial success of the affected product;

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 we may be required to change the way the product is administered or to conduct additional clinical studies;

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 we may choose to discontinue sale of the product;

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 patients and the medical community may decide to use a competing drug;

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 we could be sued and held liable for harm caused to patients; or

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 our reputation may suffer.

 Any of these events could prevent us from achieving or maintaining market acceptance of the affected product and could substantially increase the costs of commercializing our product candidates.

 Potential conflicts of interest arising from relationships with principal investigators for our clinical studies and any related compensation with respect to clinical studies could adversely affect the drug approval process.
 Principal investigators for our clinical studies may serve as scientific advisors or consultants to us or may be affiliated with our other service providers, including clinical research organizations or site management organizations, and from time to time receive cash compensation in connection with such services. If these relationships and any related compensation result in perceived or actual conflicts of interest, the integrity of the data generated at the applicable clinical study site or in the applicable study may be questioned or jeopardized.
 We may be subject to costly claims related to our clinical studies and may not be able to obtain adequate insurance.
 Because we conduct clinical studies in humans, we face the risk that the use of seladelpar or other product candidates will result in adverse side effects. We cannot predict the possible harms or side effects that may result from our clinical studies. Although we have clinical study liability insurance, our insurance may be insufficient to cover any such events. There is also a risk that we may not be able to continue to obtain clinical study coverage on acceptable terms. In addition, we may not have sufficient resources to pay for any liabilities resulting from a claim excluded from, or beyond the limit of, our insurance coverage. There is also a risk that third parties that we have agreed to indemnify could incur liability. Any litigation arising from our clinical studies, even if we are ultimately successful, would consume substantial amounts of our financial and managerial resources and may create adverse publicity.
 Risks Related to Our Reliance on Third Parties
 We rely on third-party manufacturers to produce our preclinical and clinical drug supplies, and we intend to rely on third parties to produce commercial supplies of any approved products.
 We do not own or operate, and we do not expect to own or operate, facilities for product manufacturing, storage and distribution, or testing. We currently rely on third-party manufacturers for supply of our preclinical and clinical drug supplies. We expect that in the future we will continue to rely on such manufacturers for drug supplies that will be used in clinical trials of our product candidates, and for the commercial sale of any of our approved products.
 The facilities used by our contract manufacturers to manufacture the approved product must be approved by the FDA pursuant to inspections that will be conducted only after we submit an NDA to the FDA. A representative from the European Medicines Agency (EMA) or another regulatory authority may also require inspection and approval of such contract manufacturing facilities. We are completely dependent on our contract manufacturing partners for compliance with the FDA's requirements for the manufacture of finished pharmaceutical products. If our contract manufacturers cannot successfully manufacture material that conforms to our specifications and the FDA's regulatory requirements of safety, purity and potency, we will not be able to secure and/or maintain FDA approval for our product candidates. In addition, we have no direct control over the ability of the contract manufacturers to maintain adequate quality control, quality assurance and qualified personnel. If our contract manufacturers cannot meet FDA standards, we may need to find alternative manufacturing facilities, which would significantly impact our ability to develop, obtain regulatory approval for or market our products. No assurance can be given that our manufacturers can continue to make clinical and commercial supplies of product candidates, at an appropriate scale and cost to make it commercially feasible.
 In addition, we do not have the capability to package and distribute finished products to pharmacies and other customers. If we receive marketing approval from the FDA, we intend to sell pharmaceutical product packaged and distributed by one or more pharmaceutical product packagers/distributors. We may be unable to maintain agreements on commercially reasonable terms with contract manufacturers and pharmaceutical product packagers/distributors, which could have a material adverse impact upon our business.

 We rely on limited sources of supply for our product candidates, and any disruption in the chain of supply may cause delay in developing and commercializing for each product candidate.
 If supply from an approved vendor is interrupted or suspended, there could be a significant disruption in commercial supply of our products. An alternative vendor would need to be qualified through a supplemental registration, which would be expensive, time consuming and could result in further delay. The FDA or other regulatory agencies outside of the United States may also require additional studies if a new drug substance or drug product supplier is relied upon for commercial production. These factors could cause the delay of clinical trials, regulatory submissions, required approvals or commercialization of our products, and cause us to incur additional costs. Furthermore, if our suppliers fail to deliver the required commercial quantities of the product on a timely basis and at commercially reasonable prices, and we are unable to secure one or more replacement suppliers capable of production at a substantially equivalent cost and in a timely manner, the supply chain for our products may be delayed, which could inhibit our ability to generate revenues.
 Manufacturing issues may arise that could increase product and regulatory approval costs or delay commercialization of our products.
 As the manufacturing processes are scaled up they may reveal manufacturing challenges or previously unknown impurities that could require resolution in order to proceed with our planned clinical trials and obtain regulatory approval for the commercial marketing of our products. In the future, we may identify manufacturing issues or impurities that could result in delays in the clinical program and regulatory approval for our products, increases in our operating expenses, failure to obtain or maintain approval for our products, or delays in getting our products to market.
 Our reliance on third-party manufacturers entails risks, including the following:

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 the inability to meet our product specifications, including product formulation, and quality requirements consistently;

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 a delay or inability to procure or expand sufficient manufacturing capacity;

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 manufacturing and product quality issues, including those related to scale-up of manufacturing;

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 costs and validation of new equipment and facilities required for scale-up;

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 a failure to comply with cGMP and similar quality standards;

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 the inability to negotiate manufacturing agreements with third parties under commercially reasonable terms;

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 termination or nonrenewal of manufacturing agreements with third parties in a manner or at a time that is costly or damaging to us;

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 the reliance on a limited number of sources, and in some cases, single sources for key materials, such that if we are unable to secure a sufficient supply of these key materials, we will be unable to manufacture and sell our products in a timely fashion, in sufficient quantities or under acceptable terms;

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 the lack of qualified backup suppliers for those materials that are currently purchased from a sole or single source supplier;

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 operations of our third-party manufacturers or suppliers could be disrupted by conditions unrelated to our business or operations, including the bankruptcy of the manufacturer or supplier;

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 carrier disruptions or increased costs that are beyond our control; and

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 the failure to deliver our products under specified storage conditions and in a timely manner.

 Any of these events could lead to delays in any clinical study we may undertake, failure to obtain regulatory approval or impact our ability to successfully commercialize our products. Some of these events could be the basis for FDA or other regulatory authorities' action, including injunction, recall, seizure, or total or partial suspension of production.
 We rely on third parties to conduct, supervise and monitor our clinical studies, and if those third parties perform in an unsatisfactory manner, it may harm our business.
 We rely on contract service providers (CSPs), including clinical research organizations, clinical trial sites, central laboratories and other service providers to ensure the proper and timely conduct of our clinical trials. While we have agreements governing their activities, we have limited influence over their actual performance. We have relied and plan to continue to rely upon CSPs to monitor and manage data for clinical programs for our product candidates, as well as the execution of nonclinical studies. We control only certain aspects of our CSPs' activities. Nevertheless, we are responsible for ensuring that each of our studies is conducted in accordance with the applicable protocol, legal, regulatory and scientific standards and our reliance on the CSPs does not relieve us of our regulatory responsibilities.
 We and our CSPs are required to comply with the FDA's guidance, which follows the International Council on Harmonisation Good Clinical Practice (ICH GCP), which are regulations and guidelines enforced by the FDA for all of our product candidates in clinical development. The FDA enforces the ICH GCP through periodic inspections of trial sponsors, principal investigators and clinical trial sites. If we or our CSPs fail to comply with the ICH GCP, the clinical data generated in our clinical trials may be deemed unreliable and the FDA may require us to perform additional clinical trials before approving our marketing applications. Our CSPs are not our employees, and we cannot control whether or not they devote sufficient time and resources to our ongoing clinical and nonclinical programs. These CSPs may also have relationships with other entities, including our competitors, for whom they may also be conducting clinical studies, or other drug development activities that could harm our competitive position. We face the risk of potential unauthorized disclosure or misappropriation of our confidential information, including our intellectual property, by CSPs, which may reduce our trade secret protection and allow our potential competitors to access and exploit our proprietary technology, among other things. If our CSPs do not successfully carry out their contractual duties or obligations, fail to meet expected deadlines, or if the quality or accuracy of the clinical data they obtain is compromised due to the failure to adhere to our clinical protocols or regulatory requirements or for any other reasons, our clinical trials may be extended, delayed or terminated, and we may not be able to obtain regulatory approval for, or successfully commercialize our product candidates. As a result, our financial results and the commercial prospects for our product candidates that we develop would be harmed, our costs could increase, and our ability to generate revenues could be delayed.
 Risks Related to Commercialization of Our Product Candidates
 The commercial success of any product will depend upon the acceptance of these products by the medical community, including physicians, patients and health care payors.
 If any of our product candidates receive marketing approval, they may nonetheless be unable to gain sufficient market acceptance by physicians, patients, health care payors and others in the medical community. If these products do not achieve an adequate level of acceptance, we may not generate significant product revenues and we may not become profitable. The degree of market acceptance of any of our products will depend on a number of factors, including the following:

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 demonstration of clinical safety and efficacy in our clinical trials;

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 the risk/benefit profile of our products;

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 the relative convenience, ease of administration and acceptance by physicians, patients and health care payors;

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 the prevalence and severity of any side effects;

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 the safety of products seen in a broader patient group, including its use in unapproved indications;

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 limitations or warnings contained in the FDA and other regulatory authorities approved label for the relevant product;

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 acceptance of the product by physicians, other health care providers and patients as a safe and effective treatment;

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 the potential and perceived advantages of products over alternative treatments;

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 the timing of market introduction of competitive products;

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 pricing and cost-effectiveness;

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 the effectiveness of our or any future collaborators' sales and marketing strategies;

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 manufacturing or product quality;

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 our ability to obtain formulary approval;

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 our ability to obtain and maintain sufficient third-party coverage or reimbursement, which may vary from country to country; and

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 the effectiveness of our or any future collaborators' sales, marketing and distribution efforts.

 If we are unable to establish sales and marketing capabilities or enter into agreements with third parties to market and sell our product, we may be unable to generate any revenue.
 We are currently building an organization for the sales, marketing and distribution of pharmaceutical products and the cost of establishing and maintaining such an organization may exceed the cost-effectiveness of doing so. In order to market any products that may be approved we must build our sales, marketing, operations, managerial and other non-technical capabilities or make arrangements with third parties to perform these services. We may enter into strategic partnerships with third parties to commercialize our products.
 If we are unable to successfully manage pre-commercialization activities, including but not limited to building our own sales force (or negotiate one or more strategic partnership(s) for the commercialization of our products) and establish marketing and distribution channels, we may be forced to delay the potential commercialization of the product, or reduce the scope of our sales or marketing activities. If we elect to increase our expenditures to fund commercialization activities ourselves, we will need to obtain additional capital, which may not be available to us on acceptable terms, or at all. If we do not have sufficient funds, we will not be able to bring the product to market or generate product revenue.
 If we are unable to establish adequate sales, marketing and distribution capabilities, whether independently or with third parties, we may not be able to generate sufficient product revenue and may not become profitable. We will be competing with companies that currently have extensive and well-funded marketing and sales operations and more experience establishing distribution channels. Without an internal team or the support of a third party to perform sales and marketing functions, we may be unable to compete successfully against these more established companies.
 In addition, there are risks involved with both establishing our own sales and marketing capabilities and entering into arrangements with third parties to perform these services. For example, recruiting and training a sales force is expensive and time-consuming and could delay any product launch. If the commercial launch of a product for which we recruit a sales force and establish marketing capabilities is delayed or does not occur for any reason, we would have prematurely or unnecessarily incurred these commercialization expenses. This may be costly, and our investment would be lost if we cannot retain or reposition our sales and marketing personnel.

 If we obtain approval to commercialize any products outside of the United States, a variety of risks associated with international operations could materially adversely affect our business.
 If our product candidates are approved for commercialization outside the United States, we expect that we will be subject to additional risks related to international operations, including the following:

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 different regulatory requirements for drug approvals in foreign countries;

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 compliance with local healthcare and pricing regulations;

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 reduced protection for intellectual property rights;

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 unexpected changes in tariffs, trade barriers and regulatory requirements;

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 differing payor reimbursement regimes, governmental payors or patient self-pay systems and price controls;

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 economic weakness, including inflation, or political instability in particular foreign economies and markets;

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 compliance with tax, employment, immigration and labor laws for employees living or traveling abroad;

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 foreign taxes, including withholding of payroll taxes;

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 foreign currency fluctuations, which could result in increased operating expenses and reduced revenues, and other obligations incident to doing business in another country;

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 workforce uncertainty in countries where labor unrest is more common than in the United States;

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 production shortages resulting from any events affecting raw material supply or manufacturing capabilities abroad

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 ensuring patient access through supply and packaging infrastructure requirements; and

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 business interruptions resulting from geopolitical actions, including war and terrorism, pandemics, or natural disasters including earthquakes, typhoons, volcanic eruptions, floods and fires.

 We have no prior experience in these areas. In addition, there are complex regulatory, tax, labor and other legal requirements imposed by both the European Union and many of the individual countries in Europe with which we would need to comply. Many U.S.-based biopharmaceutical companies have found the process of marketing their own products in Europe to be very challenging.
 If our competitors develop and market products that are more effective, safer or less expensive than our own, our commercial opportunities will be negatively impacted.
 The life sciences industry is highly competitive, and we face significant competition from other pharmaceutical, biopharmaceutical and biotechnology companies and possibly from academic institutions, government agencies and private and public research institutions that are researching, developing and marketing products designed to address diseases that we are seeking to treat. Our competitors generally have significantly greater financial, manufacturing, marketing and drug development resources. Large pharmaceutical companies, in particular, have extensive experience in the clinical testing of, obtaining regulatory approvals for, and marketing of, drugs. New developments, including the development of other pharmaceutical technologies and methods of treating disease, occur in the pharmaceutical and life sciences industries at a rapid pace.
 These developments may render our product candidates obsolete or noncompetitive. Compared to us, potential competitors may have substantially greater:

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 research and development resources, including personnel and technology;

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 regulatory experience;

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 experience in pharmaceutical development and commercialization;

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 ability to negotiate competitive pricing and reimbursement with third-party payors;

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 experience and expertise in the exploitation of intellectual property rights; and

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 capital resources.

 As a result of these factors, our competitors may obtain regulatory approval of their products more rapidly than we do or may obtain patent protection or other intellectual property rights that limit our ability to develop or commercialize our product candidates. The competitors may also develop products that are more effective, better tolerated, more useful and less costly than our products and they may also be more successful in manufacturing and marketing their products.
 If product liability lawsuits are brought against us, we may incur substantial liabilities and may be required to limit commercialization of our product candidates.
 We face an inherent risk of product liability exposure related to the testing of our product candidates in human clinical studies, and will face an even greater risk if we sell our products commercially. An individual or a group of individuals may bring a liability claim against us if one of our product candidates causes, or merely appears to have caused, an injury. If we cannot successfully defend ourselves against product liability claims, we will incur substantial liabilities. Regardless of merit or eventual outcome, liability claims may result in the following:

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 decreased demand for our products;

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 impairment to our business reputation;

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 withdrawal of clinical study participants;

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 distraction of management's attention from our primary business;

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 substantial monetary awards to patients or other claimants;

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 the inability to commercialize our products; and

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 loss of revenues.

 We carry product liability insurance for our clinical studies. Further, we intend to expand our insurance coverage to include the sale of commercial products if marketing approval is obtained for any of our product candidates. However, we may be unable to obtain this product liability insurance on commercially reasonable terms and with insurance coverage that will be adequate to satisfy any liability that may arise. On occasion, large judgments have been awarded in class action or individual lawsuits relating to marketed pharmaceuticals. A successful product liability claim or series of claims brought against us could cause our stock price to decline and, if judgments exceed our insurance coverage, could decrease our cash and adversely affect our business.
 We may expend our limited resources to pursue a particular product candidate or indication and fail to capitalize on product candidates or indications that may be more profitable or for which there is a greater likelihood of success.
 The success of our business depends primarily upon our ability to identify, develop and commercialize product candidates. Because we have limited financial and managerial resources, we focus on specific product candidates for specific indications. As a result, we may forego or delay pursuit of opportunities with other product candidates or other indications that later prove to have greater commercial potential. We may focus our efforts and resources on product candidates that ultimately prove to be unsuccessful.

 If we do not accurately evaluate the commercial potential or target market for a particular product candidate, we may relinquish valuable rights to that product candidate through collaboration, licensing or other royalty arrangements in cases in which it would have been advantageous for us to retain sole development and commercialization rights.
 Risks Related to Our Intellectual Property
 If we are unable to obtain or protect intellectual property rights related to our products and product candidates, we may not be able to compete effectively in our market.
 We rely upon a combination of patents, trade secret protection and confidentiality agreements to protect the intellectual property related to our products and product candidates. The strength of patents in the biotechnology and pharmaceutical field involves complex legal and scientific questions and can be uncertain. The patent applications that we own, co-own or in-license may fail to result in issued patents with claims that cover the products in the United States or in other countries. If this were to occur, early generic competition could be expected against our products. There is no assurance that all of the potentially relevant prior art relating to our patents and patent applications has been found, which if it exists could be used to invalidate a patent or prevent a patent from issuing from a pending patent application. Even if patents do successfully issue, third parties may challenge their validity, enforceability, scope or ownership, which may result in such patents, or our rights to such patents, being narrowed or invalidated. Furthermore, even if they are unchallenged, our patents and patent applications may not adequately protect our intellectual property or prevent others from designing around our claims. If the patent applications we hold or license with respect to our product candidates fail to issue or if their breadth or strength of protection is threatened, it could dissuade companies from collaborating with us and threaten our ability to commercialize our products. We cannot offer any assurances about which, if any, patents will issue or whether any issued patents will be found invalid or unenforceable, will be challenged by third parties or will adequately protect our products. Further, if we encounter delays in development or regulatory approvals, the period of time during which we could market our products under patent protection could be reduced. Since patent applications in the United States and most other countries are confidential for a period of time after filing, and some remain so until issued, we cannot be certain that we or our licensors were the first to file any patent application related to our product candidates. Furthermore, if third parties have filed such patent applications, an interference proceeding in the United States can be started by a third party or instituted by us to determine who was the first to invent any of the subject matter covered by the patent claims of our applications. An unfavorable outcome could require us to cease using the related technology or to attempt to license it from the prevailing party, which may not be available on commercially reasonable terms or at all.
 In addition to the protection afforded by patents, we rely on trade secret protection and confidentiality agreements to protect proprietary know-how that is not patentable, processes for which patents are difficult to enforce and other elements of our drug discovery and development processes that involve proprietary know-how, information or technology that is not covered by patents. Although we expect all of our employees to assign their inventions to us, and all of our employees, consultants, advisors and any third parties who have access to our proprietary know-how, information or technology to enter into confidentiality agreements, we cannot provide any assurances that all such agreements have been duly executed, that such agreements provide adequate protection and will not be breached, that our trade secrets and other confidential proprietary information will not otherwise be disclosed or that competitors will not otherwise gain access to our trade secrets or independently develop substantially equivalent information and techniques. If we are unable to prevent material disclosure of the non-patented intellectual property related to our technologies to third parties, and there is no guarantee that we will have any such enforceable trade secret protection, we may not be able to establish or maintain a competitive advantage in our market, which could materially adversely affect our business, results of operations and financial condition.
 Further, the laws of some foreign countries do not protect patents and other proprietary rights to the same extent or in the same manner as the laws of the United States. As a result, we may encounter significant problems

in protecting and defending our intellectual property abroad. We may also fail to pursue or obtain patents and other intellectual property protection relating to our products and product candidates in all foreign countries.
 Third-party claims of intellectual property infringement may prevent or delay our development and commercialization efforts or otherwise affect our business.
 Our commercial success depends in part on our avoiding infringement and other violations of the patents and proprietary rights of third parties. There is a substantial amount of litigation, both within and outside the United States, involving patent and other intellectual property rights in the biotechnology and pharmaceutical industries, including patent infringement lawsuits, interferences, oppositions and inter party re-examination proceedings before the United States Patent and Trademark Office (U.S. PTO) and its foreign counterparts. Numerous U.S. and foreign issued patents and pending patent applications, which are owned by third parties, exist in the fields in which we are developing product candidates. As the biotechnology and pharmaceutical industries expand and more patents are issued, and as we gain greater visibility and market exposure as a public company, the risk increases that our product candidates or other business activities may be subject to claims of infringement of the patent and other proprietary rights of third parties.
 Third parties may assert that we are employing their proprietary technology without authorization. There may be third-party patents or patent applications with claims to materials, formulations, methods of manufacture or methods for treatment related to the use or manufacture of our product candidates. Because patent applications can take many years to issue, there may be currently pending patent applications that may later result in issued patents that our product candidates may infringe. In addition, third parties may obtain patents in the future and claim that use of our technologies infringes upon these patents. If any third-party patents were held by a court of competent jurisdiction to cover the manufacturing process of any of our product candidates, any molecules formed during the manufacturing process or any final product itself, the holders of any such patents may be able to block our ability to commercialize such product unless we obtained a license under the applicable patents, or until such patents expire. Similarly, if any third-party patent were held by a court of competent jurisdiction to cover aspects of our formulations, processes for manufacture or methods of use, including combination therapy, the holders of any such patent may be able to block our ability to develop and commercialize the applicable product candidate unless we obtained a license or until such patent expires. In either case, such a license may not be available on commercially reasonable terms or at all. In addition, we may be subject to claims that we are infringing other intellectual property rights, such as trademarks or copyrights, or misappropriating the trade secrets of others, and to the extent that our employees, consultants or contractors use intellectual property or proprietary information owned by others in their work for us, disputes may arise as to the rights in related or resulting know-how and inventions. We have been involved in the past in legal proceedings alleging the misappropriation of trade secrets.
 Parties making claims against us may obtain injunctive or other equitable relief, which could effectively block our ability to further develop and commercialize one or more of our product candidates. Defense of these claims, regardless of their merit, would involve substantial litigation expense and would be a substantial diversion of employee resources from our business. In the event of a successful infringement or other intellectual property claim against us, we may have to pay substantial damages, including treble damages and attorneys' fees for willful infringement, obtain one or more licenses from third parties, pay royalties or redesign our affected products, which may be impossible or require substantial time and monetary expenditure. We cannot predict whether any such license would be available at all or whether it would be available on commercially reasonable terms. Furthermore, even in the absence of litigation, we may need to obtain licenses from third parties to advance our research or allow commercialization of our product candidates, and we have done so from time to time. We may fail to obtain any of these licenses at a reasonable cost or on reasonable terms, if at all. In that event, we would be unable to further develop and commercialize one or more of our product candidates, which could harm our business significantly. We cannot provide any assurances that third-party patents do not exist that might be enforced against our products or product candidates, resulting in either an injunction prohibiting our sales, or, with respect to our sales, an obligation on our part to pay royalties and/or other forms of compensation to third parties.

 We license certain key intellectual property from third parties, and the loss of our license rights could have a materially adverse effect on our business.
 We are a party to a number of technology licenses that are important to our business and may enter into additional licenses in the future. For example, we rely on an exclusive license to certain patents and know-how from Janssen Pharmaceutica NV (Janssen NV), which include seladelpar and certain other PPAR d compounds (the PPAR d Products). Under the exclusive license with Janssen NV we have full control and responsibility over the research, development and registration of any PPAR d Products and are required to use diligent efforts to conduct all such activities. If we fail to comply with our obligations under our agreement with Janssen NV, including our obligations to expend more than a de minimis amount of effort and resources on the research and/or development of at least one PPAR d Product, to make any payment called for under the agreement, not to disclose any non-exempt confidential information related to the agreement, or to use diligent efforts to promote, market and sell any PPAR d Product under the agreement, such action would constitute a default under the agreement and Janssen NV may have the right to terminate the license, in which event we would not be able to develop or market products covered by the license, including in the case of the Janssen NV license, seladelpar, which would have a materially adverse effect on our business.
 We may be involved in lawsuits to protect or enforce our patents, the patents of our licensors or our other intellectual property rights, which could be expensive, time consuming and unsuccessful.
 Competitors may infringe or otherwise violate our patents, the patents of our licensors or our other intellectual property rights. To counter infringement or unauthorized use, we may be required to file legal claims, which can be expensive and time-consuming. In addition, in an infringement proceeding, a court may decide that a patent of ours or our licensors is invalid or is unenforceable, or may refuse to stop the other party from using the technology at issue on the grounds that our patents do not cover the technology in question. An adverse result in any litigation or defense proceedings could put one or more of our patents at risk of being invalidated or interpreted narrowly and could put our patent applications at risk of not issuing. The initiation of a claim against a third party may also cause the third party to bring counter-claims against us.
 We may not be able to prevent, alone or with our licensors, misappropriation of our intellectual property rights, particularly in countries where the laws may not protect those rights as fully as in the United States. Our business could be harmed if in a litigation the prevailing party does not offer us a license on commercially reasonable terms. Any litigation or other proceedings to enforce our intellectual property rights may fail, and even if successful, may result in substantial costs and distract our management and other employees.
 Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation, there is a risk that some of our confidential information could be compromised by disclosure during litigation. There could also be public announcements of the results of hearings, motions or other interim proceedings or developments. If securities analysts or investors perceive these results to be negative, it could have a material adverse effect on the price of our common stock.
 Obtaining and maintaining our patent protection depends on compliance with various procedural, document submission, fee payment and other requirements imposed by governmental patent agencies, and our patent protection could be reduced or eliminated for non-compliance with these requirements.
 Periodic maintenance fees on any issued patent are due to be paid to the U.S. PTO and foreign patent agencies in several stages over the lifetime of the patent. The U.S. PTO and various foreign governmental patent agencies require compliance with a number of procedural, documentary, fee payment and other similar provisions during the patent application process. While an inadvertent lapse can in many cases be cured by payment of a late fee or by other means in accordance with the applicable rules, there are situations in which noncompliance can result in abandonment or lapse of the patent or patent application, resulting in partial or complete loss of patent rights in the relevant jurisdiction. Non-compliance events that could result in

abandonment or lapse of a patent or patent application include, but are not limited to, failure to respond to official actions within prescribed time limits, non-payment of fees and failure to properly legalize and submit formal documents. If we or our licensors that control the prosecution and maintenance of our licensed patents fail to maintain the patents and patent applications covering our product candidates, we may lose our rights and our competitors might be able to enter the market, which would have a material adverse effect on our business.
 Risks Related to Our Business Operations and Industry
 Our future success depends on our ability to retain key executives and to attract, retain and motivate qualified personnel.
 We are dependent on principal members of our executive team. While we have entered into employment offer letters with each of our executive officers, any of them could leave our employment at any time, as all of our employees are "at will" employees. We do not maintain "key person" insurance for any of our executives or other employees. Recruiting and retaining other qualified employees for our business, including clinical, scientific, technical and sales and marketing personnel, will also be critical to our success. There is currently a shortage of skilled executives in our industry, which is likely to continue. We also experience competition from universities, competitors and research institutions for the hiring of scientific and clinical personnel. As a result, competition for skilled personnel is intense and the turnover rate can be high. We may not be able to attract and retain personnel on acceptable terms given the competition among numerous pharmaceutical and biotechnology companies for similar personnel. In addition, failure of any of our clinical studies may make it more challenging to recruit and retain qualified personnel. If we are unable to successfully recruit key employees or replace key executives or key employees, it may adversely affect the progress of our research, development and commercialization objectives.
 In addition, we rely on consultants and advisors, including scientific and clinical advisors, to assist us in formulating our research and development and commercialization strategies. Our consultants and advisors may be engaged by employers other than us and may have commitments under consulting or advisory contracts with other entities that may limit their availability to us, which could also adversely affect the progress of our research, development and commercialization objectives.
 As we continue to build our clinical and drug development and commercial operations, we will need to expand our organization, and we may experience difficulties in managing this growth, which could disrupt our operations.
 As we continue to build our clinical and drug development programs, we are expanding our employee base to increase our managerial, clinical, scientific, sales and marketing and other operational teams. Such growth imposes additional responsibilities on our management, including the need to identify, recruit, maintain, motivate and integrate additional employees, consultants and contractors. Also, our management may need to divert a greater amount of attention away from our day-to-day activities and devote a substantial amount of time to managing these growth activities. We may not be able to effectively manage the expansion of our operations, which may result in weaknesses in our infrastructure, give rise to operational mistakes, loss of business opportunities, loss of employees and reduced productivity among current employees. Our expected growth could require greater capital expenditures and may divert financial resources from other projects, such as the development of product candidates. If our management is unable to effectively manage our growth, our expenses may increase more than expected, our ability to create value and/or generate revenues could be reduced, and we may not be able to implement our business strategy. Our future financial performance and our ability to develop and commercialize seladelpar and other potential product candidates and compete effectively will depend, in part, on our ability to effectively manage any future growth.

 Our business could be negatively affected as a result of the actions of activist or hostile stockholders.
 Our business could be negatively affected as a result of stockholder activism, which could cause us to incur significant expense, hinder execution of our business strategy, and impact the trading value of our securities. For example, in April 2020, a stockholder filed a preliminary proxy statement containing proposed opposition to our preliminarily filed proxy statement, including a proposal to elect three new directors to our Board of Directors and a proposal not to increase to the number of shares of common stock authorized for issuance. While this proxy contest was subsequently suspended, stockholder activism could recur and requires significant time and attention by management and the Board of Directors, potentially interfering with our ability to execute our strategic plan. Stockholder activism could give rise to perceived uncertainties as to our future direction, adversely affect our relationships with key executives and business partners, and make it more difficult to attract and retain qualified personnel. Also, we may be required to incur significant legal fees and other expenses related to activist stockholder matters. Any of these impacts could materially and adversely affect our business and operating results. Further, the market price of our common stock could be subject to significant fluctuation or otherwise be adversely affected by stockholder activism.
 Significant disruptions of information technology systems or breaches of data security, affecting our systems or those of third parties upon which we rely, could materially adversely affect our business, results of operations and financial condition. Such disruptions or breaches could result in adverse consequences resulting from such compromise, including but not limited to regulatory investigations or actions; litigation; fines and penalties; disruptions of our business operations; reputational harm; loss of revenue or profits; or other adverse consequences.
 We collect and maintain information in digital form that is necessary to conduct our business, and we are increasingly dependent on information technology systems and infrastructure to operate our business. In the ordinary course of our business, we collect, store and transmit confidential information, including intellectual property, proprietary business information and personal information. It is critical that we do so in a secure manner to maintain the confidentiality and integrity of such confidential information. We have established physical, electronic and organizational measures designed to safeguard and secure our systems to prevent a data compromise, and rely on commercially available systems, software, tools, and monitoring to provide security for our information technology systems and the processing, transmission and storage of digital information. We have also outsourced elements of our information technology infrastructure, and as a result a number of third-party vendors may or could have access to our confidential information. Our internal information technology systems and infrastructure, and those of our current and any future collaborators, contractors and consultants and other third parties on which we rely, are vulnerable to damage from computer viruses, malware, natural disasters, terrorism, war, telecommunication and electrical failures, cyber-attacks or cyber-intrusions over the Internet, attachments to emails, persons inside our organization, or persons with access to systems inside our organization, which may compromise our system infrastructure or lead to the loss, destruction, alteration or dissemination of, or damage to, our data.
 The risk of a security breach or disruption, particularly through cyber-attacks or cyber intrusion, including by computer hackers, foreign governments and cyber terrorists, has generally increased as the number, intensity and sophistication of attempted attacks and intrusions from around the world have increased. During times of war and other major conflicts, we, the third parties upon which we rely, may be vulnerable to a heightened risk of these attacks, including retaliatory cyber-attacks, that could materially disrupt our systems and operations, supply chain, and ability to produce, sell and distribute our goods and services. In particular, severe ransomware attacks are becoming increasingly prevalent and can lead to significant interruptions in our operations, ability to provide our products or services, loss of sensitive data and income, reputational harm, and diversion of funds. Extortion payments may alleviate the negative impact of a ransomware attack, but we may be unwilling or unable to make such payments due to, for example, applicable laws or regulations prohibiting such payments.
 In addition, the prevalent use of mobile devices that access confidential information increases the risk of data security breaches, which could lead to the loss of confidential information or other intellectual property. The

costs to us to mitigate network security problems and security vulnerabilities could be significant, and our efforts to address these problems may not be successful, and these problems could result in unexpected interruptions, delays, cessation of service and other harm to our business and our competitive position. If such an event is to occur and cause interruptions in our operations or our vendors, it may result in a material disruption of our product development programs and our reputation could be materially damaged. We could also be exposed to a risk of loss or litigation and potential liability, which could materially adversely affect our business, results of operations and financial condition.
 While we have implemented security measures designed to protect against security incidents, there can be no assurance that these measures will be effective. We may be unable in the future to detect vulnerabilities in our information technology systems because such threats and techniques change frequently, are often sophisticated in nature, and may not be detected until after a security incident has occurred. Further, we may experience delays in developing and deploying remedial measures designed to address any such identified vulnerabilities. Applicable data privacy and security obligations may require us to notify relevant stakeholders of security incidents. Such disclosures are costly, and the disclosure or the failure to comply with such requirements could lead to adverse consequences.
 We rely on third-party service providers and technologies to operate critical business systems to process sensitive information in a variety of contexts. Our ability to monitor these third parties' information security practices is limited, and these third parties may not have adequate information security measures in place. If our third-party service providers experience a security incident or other interruption, we could experience adverse consequences. While we may be entitled to damages if our third-party service providers fail to satisfy their privacy or security-related obligations to us, any award may be insufficient to cover our damages, or we may be unable to recover such award.
 If we (or a third party upon whom we rely) experience a security incident or are perceived to have experienced a security incident, we may experience adverse consequences, such as government enforcement actions (for example, investigations, fines, penalties, audits, and inspections); additional reporting requirements and/or oversight; restrictions on processing sensitive information (including personal data); litigation (including class claims); indemnification obligations; negative publicity; reputational harm; monetary fund diversions; interruptions in our operations (including availability of data); financial loss; and other similar harms. Security incidents and attendant consequences may cause stakeholders (including investors and potential customers) to stop supporting our platform, deter new customers from products, and negatively impact our ability to grow and operate our business.
 Our contracts may not contain limitations of liability, and even where they do, there can be no assurance that limitations of liability in our contracts are sufficient to protect us from liabilities, damages, or claims related to our data privacy and security obligations. We cannot be sure that our insurance coverage will be adequate or sufficient to protect us from or to mitigate liabilities arising out of our privacy and security practices, that such coverage will continue to be available on commercially reasonable terms or at all, or that such coverage will pay future claims.
 Changes in and failures to comply with United States and foreign privacy and data protection laws, regulations and standards may adversely affect our business, operations and consolidated financial performance. The actual or perceived failure to comply with such obligations could lead to government enforcement actions (which could include civil or criminal penalties), fines and sanctions, private litigation and/or adverse publicity and could negatively affect our operating results and business.
 In the ordinary course of business, we collect, receive, store, process, generate, use, transfer, disclose, make accessible, protect, secure, dispose of, transmit, and share (collectively, process) personal data and other sensitive information, including proprietary and confidential business data, trade secrets, intellectual property, data collected about trial participants in connection with clinical trials, and other sensitive third-party data. These

activities result in our being subject to or affected by numerous federal, state and foreign laws and regulations, as well as regulatory guidance, governing the collection, use, disclosure, retention, and security of personal data, such as information that we collect about patients and healthcare providers in connection with clinical trials in the United States and abroad.
 The global data protection landscape is rapidly evolving, and implementation standards and enforcement practices are likely to remain uncertain for the foreseeable future. This evolution may create uncertainty in our business, affect our or our vendors' ability to operate in certain jurisdictions or to collect, store, transfer, use and share personal information, necessitate the acceptance of more onerous obligations in our contracts, result in liability or impose additional costs on us. The cost of compliance with these laws, regulations and standards is high and is likely to increase in the future. In many jurisdictions, enforcement actions and consequences for noncompliance are rising.
 In the United States, HIPAA imposes, among other things, certain standards relating to the privacy, security, transmission and breach reporting of individually identifiable health information (see "Federal and State HealthCare Laws" above). Certain states also impose stricter requirements for processing certain personal data, including sensitive information, such as conducting data privacy impact assessments. These state laws allow for statutory fines for noncompliance. For example, the California Consumer Privacy Act of 2018, as amended by the California Privacy Rights Act of 2020—collectively, CCPA—applies to personal data of consumers, business representatives, and employees who are California residents, and requires businesses to provide specific disclosures in privacy notices and honor requests of such individuals to exercise certain privacy rights. The CCPA provides for fines of up to $7,500 per intentional violation and allows private litigants affected by certain data breaches to recover significant statutory damages. Although the CCPA exempts some data processed in the context of clinical trials, the CCPA increases compliance costs and potential liability with respect to other personal data we maintain about California residents.
 Additionally, in the past few years, numerous U.S. states in addition to California—including Virginia, Colorado, Connecticut, and Utah—have enacted comprehensive privacy laws that impose certain obligations on covered businesses, including providing specific disclosures in privacy notices and affording residents with certain rights concerning their personal data. As applicable, such rights may include the right to access, correct, or delete certain personal data, and to opt-out of certain data processing activities, such as targeted advertising, profiling, and automated decision-making. The exercise of these rights may impact our business and ability to provide our products and services. Similar laws are being considered in several other states, as well as at the federal and local levels, and we expect more states to pass similar laws in the future. While these states, like the CCPA, also exempt some data processed in the context of clinical trials, these developments further complicate compliance efforts, and increase legal risk and compliance costs for us, the third parties upon whom we rely.
 Our operations abroad may also be subject to increased scrutiny or attention from data protection authorities. Many countries in these regions have established or are in the process of establishing privacy and data security legal frameworks with which we, our customers, or our vendors must comply. For example, the EU has adopted the General Data Protection Regulation (EU) 2016/679, or GDPR, which went into effect in May 2018 and includes strict requirements for processing the personal information of EU subjects, including clinical trial data. The GDPR has increased compliance burdens on us, including by mandating potentially burdensome documentation requirements and granting certain rights to individuals to control how we collect, use, disclose, retain and process information about them. The processing of sensitive personal data, such as physical health condition, has imposed heightened compliance burdens under the GDPR and is a topic of active interest among foreign regulators. In addition, the GDPR provides for robust regulatory enforcement and fines for a noncompliant company. Under the GDPR, companies may face temporary or definitive bans on data processing and other corrective actions; fines of up to 20 million Euros under the EU GDPR, 17.5 million pounds sterling under the UK GDPR or, in each case, 4% of annual global revenue, whichever is greater; or private litigation related to processing of personal data brought by classes of data subjects or consumer protection organizations authorized at law to represent their interests. As we continue to expand into other foreign countries and jurisdictions, we may be subject to additional laws and regulations that may affect how we conduct business.

 Any failure or perceived failure by us to comply with federal, state or foreign laws or regulation, our internal policies and procedures or our contracts governing our processing of personal information could result in negative publicity, diversion of management time and effort and proceedings against us by governmental entities, litigation by private plaintiffs or others, additional reporting requirements and/or oversight, bans on processing personal data, orders to destroy or not use personal data, and imprisonment of company officials. Moreover, despite our efforts, our personnel or third parties on whom we rely may fail to comply with such obligations, which could negatively impact our business operations. In particular, plaintiffs have become increasingly more active in bringing privacy-related claims against companies, including class claims and mass arbitration demands. Some of these claims allow for the recovery of statutory damages on a per violation basis, and, if viable, carry the potential for monumental statutory damages, depending on the volume of data and the number of violations.
 Any of these events could have a material adverse effect on our reputation, business, or financial condition, including but not limited to: loss of customers; interruptions or stoppages in our business operations (including, as relevant, clinical trials); inability to process personal data or to operate in certain jurisdictions; limited ability to develop or commercialize our products; expenditure of time and resources to defend any claim or inquiry; adverse publicity; or substantial changes to our business model or operations.
 Risks Relating to Owning Our Common Stock
 An active trading market for our common stock may not continue and the market price for our common stock may decline in value.
 Our common stock was formerly listed on the Nasdaq Capital Market and since the second quarter of 2018 it has been trading on the Nasdaq Global Select Market under the symbol "CBAY". The historical trading prices of our common stock on the Nasdaq Capital Market and the Nasdaq Global Select Market may not be indicative of the price levels at which our common stock will trade in the future, and we cannot predict the extent to which investor interest in us will continue to support an active public trading market for our common stock or how liquid will be that public market.
 Our stock price is volatile, and our stockholders' investment in our stock could decline in value.
 The historical trading price of our common stock has been volatile. Our stock price may continue to be subject to wide fluctuations in response to a variety of factors, including:

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 announcements of significant acquisitions, strategic partnerships, joint ventures or capital commitments by us or our competitors;

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 inability to obtain additional funding;

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 any delay in filing an Investigational New Drug (IND) application or NDA for any of our future product candidates and any adverse development or perceived adverse development with respect to the FDA's review of an IND or NDA;

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 failure to enter into new collaborations;

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 failure by us or our licensors to prosecute, maintain or enforce our intellectual property rights;

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 failure to successfully develop and commercialize our product candidates;

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 changes in laws or regulations applicable to future products;

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 changes in the structure of health care payment systems;

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 inability to obtain adequate product supply for our product candidates or the inability to do so at acceptable prices;

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 adverse regulatory decisions;

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 introduction of new products, services or technologies by our competitors;

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 failure to meet or exceed financial projections we may provide to the public;

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 failure to meet or exceed the estimates and projections of the investment community;

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 the perception of the pharmaceutical industry by the public, legislatures, regulators and the investment community;

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 announcements of significant or potential equity or debt sales by us;

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 delays in completing our clinical trials;

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 adverse, delayed or inconclusive results in our clinical trials;

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 adverse or inconclusive results or delays in preclinical testing;

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 announcements of clinical trial plans or results by us or our competitors;

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 disputes or other developments relating to proprietary rights, including patents, litigation matters and our ability to obtain patent protection for our technologies;

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 additions or departures of key scientific or management personnel;

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 significant lawsuits, including patent or stockholder litigation;

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 changes in the market valuations of similar companies;

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 sales of our common stock by us or our stockholders in the future; and

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 trading volume of our common stock.

 In addition, companies trading in the stock market in general have experienced extreme price and volume fluctuations that have often been unrelated or disproportionate to the operating performance of these companies. Macroeconomic conditions and broad market and industry factors may negatively affect the market price of our common stock, regardless of our actual operating performance.
 Future sales and issuances of our common stock or rights to purchase common stock, including pursuant to our equity incentive plans, could result in additional dilution of the percentage ownership of our stockholders and could cause our stock price to fall.
 Significant additional capital may be needed in the future to continue our product development efforts and operations. To the extent we raise additional capital by issuing equity securities, our stockholders may experience substantial dilution. We may sell common stock, convertible securities or other equity securities in one or more transactions at prices and in a manner we determine from time to time. If in the future we sell common stock, convertible securities or other equity securities, investors may be materially diluted by subsequent sales. These sales may also result in new investors gaining rights superior to our existing stockholders. Pursuant to our equity incentive plans, we are authorized to grant stock options and other equity-based awards to our employees, directors and consultants. The number of shares available for future grant under our equity incentive plans as of December 31, 2023 was 9,189,960 shares.
 Anti-takeover provisions in our charter documents and under Delaware law could make an acquisition of us, which may be beneficial to our stockholders, more difficult and may prevent attempts by our stockholders to replace or remove our current management.
 Provisions in our certificate of incorporation and our bylaws may delay or prevent an acquisition of us. In addition, these provisions may frustrate or prevent any attempts by our stockholders to replace or remove our

current management by making it more difficult for stockholders to replace members of our board of directors, who are responsible for appointing the members of our management team. In addition, we are governed by the provisions of Section 203 of the Delaware General Corporation Law, which prohibits, with some exceptions, stockholders owning in excess of 15% of our outstanding voting stock from merging or combining with us. Finally, our charter documents establish advance notice requirements for nominations for election to our board of directors and for proposing matters that can be acted upon at stockholder meetings. Although we believe these provisions together provide for an opportunity to receive higher bids by requiring potential acquirers to negotiate with our board of directors, they would apply even if the offer may be considered beneficial by some stockholders.
 We may be unable to utilize our federal and state net operating loss carryforwards to reduce our income taxes.
 As of December 31, 2023, we had net operating loss ("NOL") carryforwards of $365.6 million and $214.9 million available to reduce future taxable income, if any, for U.S. federal income tax and state income tax purposes, respectively. If not utilized, $78.4 million of our federal NOL carryforwards will begin to expire in 2034 and our state NOL carryforwards will begin to expire in 2028. Portions of these NOL carryforwards could expire unused and be unavailable to offset future income tax liabilities. Under legislation enacted in 2017, as modified by legislation enacted in 2020, unused U.S. federal NOLs generated in tax years beginning after December 31, 2017, will not expire and may be carried forward indefinitely, but the deductibility of such federal NOLs is limited to 80% of taxable income. At the state level, there may be periods during which the use of NOLs is suspended or otherwise limited. In addition, under Section 382 of the Code, and corresponding provisions of state law, if a corporation undergoes an "ownership change," which generally occurs if the percentage of the corporation's stock owned by 5% stockholders increases by more than 50% over a three-year period, the corporation's ability to use its pre-change NOL carryforwards and other pre-change tax attributes to offset its post-change income may be limited. Our existing NOLs may be subject to limitations arising from previous ownership changes. Future changes in our stock ownership, some of which are outside of our control, could result in an ownership change. The Section 382 analysis was rolled forward through December 31, 2023 with no further restrictions on use of net operating loss or credit carryforwards.
 Changes in tax laws or regulations that are applied adversely to us or our customers may have a material adverse effect on our business, cash flow, financial condition or results of operations.
 New tax laws, statutes, rules, regulations or ordinances could be enacted at any time. Further, existing tax laws, statutes, rules, regulations or ordinances could be interpreted differently, changed, repealed or modified at any time. Any such enactment, interpretation, change, repeal or modification could adversely affect us, possibly with retroactive effect. For instance, the Inflation Reduction Act of 2022 imposes, among other rules, a 15% minimum tax on the book income of certain large corporations and a 1% excise tax on certain corporate stock repurchases. In addition, for certain research and experimental expenses incurred in tax years beginning after December 31, 2021, the Tax Cuts and Jobs Act (the Tax Act) requires the capitalization and amortization of such expenses over five years if incurred in the United States and fifteen years if incurred outside the United States, rather than deducting such expenses currently. Although there have been legislative proposals to repeal or defer the capitalization requirement, there can be no assurance that such requirement will be repealed, deferred, or otherwise modified. Changes in corporate tax rates, the realization of our net deferred tax assets, the taxation of foreign earnings and the deductibility of expenses under the Tax Act, as amended by the CARES Act or any future tax reform legislation, could have a material impact on the value of our deferred tax assets, result in significant one-time charges and increase our future tax expenses.

 General Risks
 We do not anticipate paying cash dividends, and accordingly, stockholders must rely on stock appreciation for any return on their investment.
 We do not anticipate paying cash dividends in the future. As a result, only appreciation of the price of our common stock, which may never occur, will provide a return to stockholders. Investors seeking cash dividends should not invest in our common stock.
 We may be subject to securities litigation, which is expensive and could divert management attention.
 Our share price is volatile, and in the past, companies that have experienced volatility in the market price of their stock have been subject to securities class action litigation. We may be the target of this type of litigation in the future. Securities litigation against us could result in substantial costs and divert our management's attention from other business concerns, which could seriously harm our business.
 Item 1B. Unresolved Staff Comments
 Not applicable.
 Item 1C. Cybersecurity
 Risk management and strategy
 We have implemented and maintain various information security processes designed to identify, assess and manage material risks from cybersecurity threats to our critical computer networks, third party hosted services, communications systems, hardware and software, and our critical data, including intellectual property, confidential information that is proprietary, strategic or competitive in nature, and data amassed from our clinical trials ("Information Systems and Data").
 Our information technology department, with the support of our senior management, assesses and manages the Company's cybersecurity threats and risks. Our information technology department leverages third-party service providers to identify cybersecurity threats by monitoring and evaluating our threat environment, and then assesses these risks. We, and/or our third-party service providers, use various methods in identifying and assessing these risks, including, for example, manual and automated tools to identify and combat cybersecurity threats, analyzing reports of threats, conducting scans and assessments of the threat environment and to identify vulnerabilities, the use of detection and response services (including behavioral analytics and machine learning to identify security threats) and conducting reviews of third-party service providers, among other things. We use third-party service providers to assist us from time to time to identify, assess, and manage material risks from cybersecurity threats, including for example penetration testing, threat intelligence, dark web reporting, cybersecurity consulting and software, and professional services for implementation and security architecture.
 Depending on the environment, we implement and maintain various technical, physical, and organizational measures, processes, standards and policies designed to manage and mitigate material risks from cybersecurity threats to our Information Systems and Data, including, for example, physical security and access controls, asset management, systems monitoring, incident detection and response, risk assessment, the implementation of security standards and certifications, encryption of data, network security controls, and a disaster recovery/business continuity plan, among other mitigation tactics.
 Our assessment and management of material risks from cybersecurity threats are integrated into the Company's overall risk management processes. For example, our information technology department works with its management and with legal and compliance to evaluate material risks from cybersecurity threats against our overall business objectives, working with other individuals from senior management as needed. Certain cybersecurity issues may then be reported to the board of directors.

 Moreover, we use third-party service providers to perform a variety of functions throughout our business, such as application providers, hosting companies, contract research organizations and contract manufacturing organizations. Depending on the nature of the services provided, our information technology department may review certain third-party service providers that include the assessment of the service provider's cybersecurity systems and controls. Depending on the nature of the services provided and the identity of the provider, we may impose contractual obligations related to cybersecurity on the provider.
 For a description of the risks from cybersecurity threats that may materially affect the Company and how they may do so, see our risk factors under Part 1. Item 1A. Risk Factors in this Annual Report on Form 10-K, including in Risks Related to Our Business Operations and Industry.
 Governance
 Our board of directors addresses the Company's cybersecurity risk management as part of its general oversight function and is responsible for overseeing the Company's cybersecurity risk management processes, including oversight and mitigation of risks from cybersecurity threats.
 Our cybersecurity risk assessment and management processes are implemented and maintained by certain Company management, including the management functions of information technology and legal and compliance, who have combined decades of experience in compliance and managing cybersecurity risks.
 Our information technology department is responsible for hiring appropriate personnel, helping to integrate cybersecurity risk considerations into the Company's overall risk management strategy, communicating key priorities to relevant personnel, and is responsible for approving budgets related to cybersecurity. A wider group of personnel, including the management functions of information technology and legal and compliance, help prepare for cybersecurity incidents, work in conjunction with others to approve cybersecurity processes, and review security assessments and other security-related reports.
 Our cybersecurity incident response process is designed to escalate certain cybersecurity incidents to members of senior management, depending on the circumstances. Members of senior management may work with the Company's incident response team to help the Company mitigate and remediate cybersecurity incidents of which they are notified. In addition, the Company's incident response process includes reporting to the board of directors for certain cybersecurity incidents.
 The board receives periodic reports concerning the Company's significant cybersecurity threats and risk and the processes the Company has implemented to address them. The board also receives periodic reports, summaries or presentations related to cybersecurity threats, risk and mitigation.
 Item 2. Properties
 Our corporate office is located in Fremont, California. Our office lease for that facility terminates on May 31, 2032. We believe that our current facilities are sufficient for our needs for the foreseeable future.
 Item 3. Legal Proceedings
 From time to time, we may become involved in legal proceedings relating to claims arising from the ordinary course of business. Our management believes that there are currently no claims or actions pending against us, the ultimate disposition of which could reasonably be expected to have a material adverse effect on our results of operations, financial condition or cash flows. Apart from such incidental matters, the following demand letters and draft complaints relating to the Transactions have been submitted to the Company.
 Between February 26 and 27, 2024, the Company received three demand letters from purported holders of Shares, one of which enclosed a draft complaint. The Company also separately received a draft complaint from a

purported holder of Shares that was unaccompanied by a demand letter. Each demand letter alleges disclosure deficiencies in the Schedule 14D-9 and demands an issuance of corrective disclosures. Both of the draft complaints identify as prospective defendants the Company and members of the Company Board. The draft complaints allege that the defendants caused to be filed with the SEC a materially incomplete and misleading Schedule 14D-9 in violation of Sections 14(d)(4), 14(e) and 20(a) of the Exchange Act and Rule 14D 9 promulgated thereunder. Among other remedies, the draft complaints threaten to seek an order enjoining the defendants from proceeding with or consummating the Offer, unless and until the defendants disclose certain allegedly material information that was allegedly omitted from the Schedule 14D-9; granting rescissory damages; awarding the plaintiff costs and disbursements of its action, including reasonable attorneys' and expert fees and expenses; and granting such other and further relief as the court may deem just and proper. The Company believes that the allegations contained in the demand letters and draft complaints are without merit.
 On February 26, 2024, the Company received a demand letter from a purported holder of Shares that requests access to certain books and records of the Company to investigate purported breaches of fiduciary duty, director independence and disinterestedness, corporate wrongdoing and/or inadequate disclosures in connection with the Transactions and related to the transaction documents. The Company is preparing a response.
 Additional demand letters and draft complaints may be submitted to the Company and lawsuits may be filed against the Company and its Board of Directors, in each case, challenging the Transactions and/or alleging deficiencies with respect to the Solicitation/Recommendation Statement on Schedule 14D-9 in the future.
 Item 4. Mine Safety Disclosures
 Not applicable.
 Item 5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
 Market for Common Equity
 Our common stock is listed on the Nasdaq Global Select Market under the symbol "CBAY". As of January 31, 2024, there were approximately 172 holders of record of our common stock, although there are a substantially greater number of "beneficial holders," whose shares are held of record by banks, brokers and other financial institutions in "street name."
 Dividend Policy
 We have never declared or paid any cash dividends to our stockholders. Our board of directors will make any future decisions regarding dividends. We currently intend to retain and use any future earnings, if any, for the development and expansion of our business and do not anticipate paying any cash dividends in the foreseeable future. Under our Development Financing Agreement with Abingworth we are not permitted to pay dividends without the consent of Abingworth. Except for the restrictions under our agreement with Abingworth, our board of directors has complete discretion on whether to pay dividends. Even if our board of directors is able to and decides to pay dividends, the form, frequency and amount will depend upon our future operations and earnings, capital requirements and surplus, general financial condition, contractual restrictions and other factors that the board of directors may deem relevant.

 Performance Graph
 The following graph assumes an initial investment of $100 in our common stock on January 1, 2019, as well as the stocks comprising the Nasdaq Composite Index (^IXIC), and the stocks comprising the Nasdaq Biotechnology Index (^NBI). All results assume the reinvestment of dividends, if any, and are calculated as of each month end. Historical stockholder return is not necessarily indicative of the performance to be expected for any future periods.

 Item 6. [Reserved]
 Item 7. Management ' s Discussion and Analysis of Financial Condition and Results of Operations
 Forward-Looking Statements
 Some of the statements under in this "Management's Discussion and Analysis of Financial Condition and Results of Operations" are forward-looking statements. See "Cautionary Language Regarding Forward Looking Statements" at the beginning of this Annual Report for cautionary information regarding forward-looking statements. These statements reflect the Company's current views with respect to future events and are based on assumptions and subject to risks and uncertainties and appear throughout this Annual Report on Form 10-K and are statements regarding our current expectation, belief, or intent, primarily with respect to our operations and related industry developments. Examples of these statements include, but are not limited to, statements regarding our expectations with respect to the following: the Offer, the Merger and other related matters; our business and scientific strategies; the progress of our product development programs, and the timing of results; regulatory submissions and approvals; our drug discovery technologies; our research and development expenses; protection of our intellectual property; sufficiency of our cash and capital resources and the need for additional capital; and our operations and legal risks. You should not place undue reliance on these forward-looking statements. Our actual results and the timing of events may differ significantly from the results discussed in the forward-looking statements for many reasons. Factors that might cause such a difference include those discussed under the caption "Risk Factors" and elsewhere in this Annual Report on Form 10-K. These and many other factors could affect our future financial and operating results. We undertake no obligation to update any forward-looking statement to reflect events after the date of this Annual Report.
 Overview
 CymaBay Therapeutics, Inc. is a clinical-stage biopharmaceutical company focused on developing innovative therapies for patients with liver and other chronic diseases with high unmet medical need.

 Our lead product candidate, seladelpar, is a potent and selective agonist of peroxisome proliferator activated receptor delta (PPAR d), a nuclear receptor that regulates genes directly or indirectly involved in the synthesis of bile acids/sterols, metabolism of lipids and glucose, inflammation, and fibrosis. We have been focused on developing seladelpar for the treatment of primary biliary cholangitis (PBC), an autoimmune disease that causes progressive destruction of the bile ducts in the liver resulting in impaired bile flow (cholestasis) and inflammation.
 On February 11, 2024, we entered into the Merger Agreement with Gilead and Purchaser, which provides for the acquisition of the Company by Gilead in a two-step all cash transaction, consisting of the Offer, followed by the Merger, with the Company continuing as the surviving corporation.
 On February 23, 2024, Purchaser commenced the Offer for all of the Company's Shares, other than any Excluded Shares, at the Offer Price, net to the seller in cash, without interest and subject to any required withholding of taxes. The Offer will initially remain open until March 21, 2024 (unless otherwise agreed to in writing by Gilead and us), which period may be extended for additional periods of up to 10 business days per extension (or such other duration as may be agreed to in writing by the Company and Gilead) to permit the conditions to the Offer to be satisfied.
 The obligation of Purchaser to accept for payment Shares validly tendered pursuant to the Offer is subject to customary closing conditions, including: (i) Shares having been validly tendered and not validly withdrawn that, considered together with all other Shares (if any) beneficially owned by Gilead and its affiliates, represent one more Share than 50% of the total number of Shares outstanding at the time of the expiration of the Offer (including, for the avoidance of doubt, all Shares that become outstanding as a result of the "cashless exercise" of the outstanding pre-funded warrants of the Company, as described above); (ii) the accuracy of the Company's representations and warranties contained in the Merger Agreement (subject to any applicable Material Adverse Effect (as defined in the Merger Agreement) and materiality qualifiers); (iii) the absence of a willful and material breach by the Company of the "no-shop" restrictions described in the Merger Agreement and the Company's performance of its other obligations, covenants and agreements under the Merger Agreement in all material respects; (iv) the absence, since the date of the Merger Agreement, of any Material Adverse Effect; (v) the expiration or early termination of the waiting period applicable to the Offer under the HSR Act and if Gilead and the Company have entered into an agreement with any governmental body regarding the timing of the consummation of the Offer, such consummation being permitted under such agreement and (vi) the absence of any judgment, temporary restraining order, preliminary or permanent injunction or other order, decree or ruling restraining, enjoining or otherwise preventing the acquisition of or payment for Shares pursuant to the Offer or the consummation of the Offer or the Merger or subsequent integration.
 As soon as practicable following the acceptance of the Shares validly tendered and not validly withdrawn pursuant to the Offer and the consummation of the Offer, subject to the satisfaction or waiver of certain customary conditions set forth in the Merger Agreement, the Merger will be effected under Section 251(h) of the DGCL without a meeting or vote of the Company's stockholders.
 At the Effective Time, each issued and outstanding Share, other than any Excluded Shares, any Tendered Shares or any Dissenting Shares (as defined in the Merger Agreement), will be converted into the right to receive the Merger Consideration, in cash, without interest and subject to any required withholding of taxes.
 At the Effective Time, each stock option to purchase Shares that is then outstanding and unexercised, whether or not vested and which has a per-share exercise price that is less than the Merger Consideration, will be automatically canceled and converted into the right to receive a lump-sum cash payment equal to (i) the excess of (a) the Merger Consideration over (b) the exercise price payable per Share under such stock option, multiplied by (ii) the total number of Shares subject to such stock option immediately prior to the Effective Time.
 At the Effective Time, each restricted stock unit award with respect to Shares that is then outstanding will be automatically canceled and converted into the right to receive a lump-sum cash payment equal to the product,

rounded to the nearest cent, of (i) the number of Shares subject to such restricted stock unit award as of the Effective Time and (ii) the Merger Consideration.
 At the Offer Acceptance Time, each pre-funded warrant of the Company to purchase Shares that is outstanding immediately prior to the Effective Time will automatically be deemed to be exercised in full in a "cashless exercise" pursuant to the warrant agreement to which such warrant is subject. At the Effective Time, holders of Shares issued pursuant to such "cashless exercise" of the pre-funded warrants of the Company in accordance with the applicable warrant agreements and the Merger Agreement shall become entitled to the Merger Consideration as described above in respect of Shares other than the Excluded Shares, the Tendered Shares and any Dissenting Shares.
 The Merger Agreement contains certain termination rights for the Company and Gilead. Upon termination of the Merger Agreement under specified circumstances, the Company will be required to pay Gilead a termination fee in the amount of $151.6 million.
 Seladelpar—Primary Biliary Cholangitis (PBC)
 In December 2023, we submitted a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for seladelpar, our investigational treatment for the management of PBC, including pruritus in adults without cirrhosis or with compensated cirrhosis (Child Pugh A) who are inadequate responders or intolerant to ursodeoxycholic acid (UDCA). In February 2024, we announced that (i) the FDA accepted our NDA for seladelpar and granted a priority review and set a Prescription Drug User Fee Act (PDUFA) target action date of August 14, 2024 and notified us that it is not currently planning to hold an advisory committee meeting to discuss the application, (ii) the U.K. Medicines and Healthcare products Regulatory Agency accepted for filing the application of the Company for approval of seladelpar for treatment of PBC, including pruritus, in early February 2024 and (iii) the Company submitted a similar application for the approval of seladelpar for the treatment of PBC, including pruritus, with the European Medicines Agency, in early February 2024. Previously, seladelpar was granted Breakthrough Therapy Designation by the FDA in 2019 and in October 2023, the FDA revised the Breakthrough Therapy Designation in recognition of clinical data that indicated seladelpar may provide meaningful improvement over existing therapy based on a reduction in alkaline phosphatase (ALP) and improvement in pruritus in patients without cirrhosis or with compensated cirrhosis.
 In September 2023, we announced topline results from our Phase 3 RESPONSE study. The study evaluated the safety and efficacy of seladelpar for the treatment of PBC. The trial achieved the primary and all key secondary endpoints of the trial. A total of 61.7% of patients on seladelpar 10 mg (n=128) met the primary composite endpoint related to serum alkaline phosphatase and bilirubin at 12 months versus 20.0% on placebo (n=65; p<0.0001). Alkaline phosphatase at 12 months (key secondary endpoint) normalized in 25.0% of patients on seladelpar vs. zero on placebo (p<0.0001). The least-squares mean percent reduction in alkaline phosphatase at 12 months was 42.4% in the seladelpar group vs. 4.3% in the placebo group (p<0.0001). Seladelpar treatment compared to placebo also demonstrated a statistically significant reduction in pruritus, or itch (key secondary endpoint), after 6 months of treatment. Seladelpar-treated patients with a baseline Numerical Rating Scale (NRS) > 4 (moderate to severe pruritus) had a least-square mean reduction of 3.2 points in pruritus NRS (n=49) compared to 1.7 points for patients in the placebo group (n=23; p<0.005). Overall, the safety profile was comparable between placebo and seladelpar groups and was consistent with previous studies. Treatment-emergent adverse events, serious adverse events, and patient discontinuations were generally balanced across the treatment and placebo arms. There were no treatment-related serious adverse events in the study. Seladelpar's tolerability profile appeared favorable and consistent with previous studies.
 In August 2023, we announced the initiation of a 52-week, placebo-controlled, randomized, Phase 3 study — "Intended to Determine the Effects of seladelpar on normalization of Alkaline phosphatase (ALP) Levels in subjects with Primary Biliary Cholangitis (PBC)" (IDEAL). The IDEAL study aims to enroll 150 patients globally with PBC who have an incomplete response or intolerance to ursodeoxycholic acid (UDCA), in each

case with ALP greater than the upper limit of normal (ULN) but less than 1.67xULN, and total bilirubin less than or equal to 2xULN. Patients will be randomly assigned using a 2:1 ratio to oral, once daily seladelpar 10 mg or placebo. The primary outcome measure is the normalization greater than or equal to a 15% decrease in ALP at 52 weeks and a key secondary endpoint evaluating the change in pruritus Numerical Rating Scale (NRS) at six months in subjects with moderate to severe pruritus at baseline.
 In September 2023, we announced the initiation of the AFFIRM study, a randomized, placebo-controlled confirmatory study to evaluate the effect of seladelpar on clinical outcomes in patients with compensated cirrhosis due to PBC. The AFFIRM study is planned to enroll approximately 192 patients with PBC who have compensated cirrhosis (Child-Pugh A or Child-Pugh B) based on prespecified clinical criteria. Patients will be randomly assigned using a 2:1 ratio to oral, once daily seladelpar or placebo for a fixed duration of three years. The primary outcome measure is the time from start of treatment to the first occurrence of clinical events (all-cause death, liver transplant, hospitalization for other serious liver-related events, and progression to Child-Pugh C decompensated cirrhosis). Additional key outcomes include overall survival, liver transplant-free survival, and time to hospitalization for serious liver-related events.
 In addition, we are continuing our ASSURE trial, an open-label, long-term study intended to collect additional long-term safety and efficacy data to support registration. ASSURE is open to patients from our previously completed Phase 2 open label study and our Phase 3 ENHANCE study, patients who completed treatment in RESPONSE, and patients who complete treatment in certain Phase 1 studies. As of December 31, 2023, the ASSURE trial has enrolled over 300 patients.
 MBX-2982
 In November 2020, we announced a Phase 2a proof-of-pharmacology study led by AdventHealth Translational Research Institute and funded by the Leona M. and Harry B. Helmsley Charitable Trust to evaluate MBX-2982, a G protein-coupled receptor 119 (GPR119) agonist, in subjects with type 1 diabetes (T1D). The study assessed whether MBX-2982 enhanced glucagon secretion during insulin-induced hypoglycemia in subjects with T1D. In November 2023, we announced that while the study found that while MBX-2982 demonstrated pharmacodynamic action, it did not demonstrate the pharmacology needed to benefit the T1D population as there was no change in glucagon secretion during clamps in subjects with T1D dosed with MBX-2982 versus placebo. The Company is not planning any further studies with MBX-2982.
 Critical Accounting Policies and Estimates
 Our management's discussion and analysis of our financial condition and results of operations is based on our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States (GAAP). The preparation of these consolidated financial statements requires us to make estimates and judgments that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities at the date of the consolidated financial statements, as well as the reported revenues and expenses during the reporting periods. We base our estimates on historical experience and on various other factors that we believe to be materially reasonable under the circumstances, the results of which form our basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources and evaluate our estimates on an ongoing basis. Actual results may materially differ from those estimates under different assumptions or conditions.
 While we describe our significant accounting policies in more detail in Note 2—Summary of Significant Accounting Policies of our consolidated financial statements included in this Annual Report, we believe the following accounting policies to be critical to the judgments and estimates used in the preparation and understanding of our consolidated financial statements.

 Collaboration Revenues
 We enter into collaboration arrangements with third parties, under which we license certain rights to our intellectual property and provide certain services to the party to enable local development of the product, and account for the arrangements as collaboration services revenue when the counterparty is a customer under ASC 606. The terms of these arrangements typically include payment to us for one or more of the following: non-refundable, up-front license fees; development, regulatory and commercial milestone payments; product supply services; development cost reimbursements; profit sharing arrangements; and royalties on net sales of licensed products.
 As part of the accounting for these arrangements, we must develop assumptions that require judgment to determine the standalone selling price for each performance obligation identified in the contract. We use assumptions to determine the standalone selling price, which may include forecasts of revenues and costs, clinical development timelines and costs, reimbursement rates for personnel costs, discount rates and probabilities of technical and regulatory success. At the inception of each arrangement that includes development milestone payments, we evaluate whether the milestones are considered probable of being reached and estimate the amount to be included in the transaction price using the most likely amount method. At the end of each subsequent reporting period, we re-evaluate the probability of earning of such development milestones and related constraints, if any, and if necessary, adjust our estimate of the overall transaction price. For arrangements that may include sales-based royalties, including milestone payments based on the level of sales, and the license is deemed to be the predominant item to which the royalties relate, we recognize revenue at the later of (i) when the related sale occurs or (ii) when the performance obligation to which some or all of the royalty has been allocated has been satisfied (or partially satisfied). Development milestone adjustments are recorded on a cumulative catch-up basis, which would affect collaboration services revenues in the period of adjustment.
 Research and Development Expenses and Related Prepayments and Accruals
 Research and development expenses consist of costs incurred in identifying, developing, and testing product candidates. These expenses consist primarily of costs for research and development personnel, including related stock-based compensation; contract research organizations (CRO) and other third parties that assist in managing, monitoring, and analyzing clinical trials; investigator and site fees; laboratory services; consultants; contract manufacturing services; non-clinical studies, including materials; and allocated expenses, such as depreciation of assets, and facilities and information technology that support research and development activities. Research and development costs are expensed as incurred unless there is an alternative future use in other research and development projects.
 As part of the process of preparing our consolidated financial statements, we are required to estimate certain research and development expenses. This process involves reviewing contracts, reviewing the terms of our license agreements, communicating with our vendors and applicable personnel to identify services that have been performed on our behalf and estimating the level of service performed and the associated cost incurred for the service either when we have prepaid or when we have not yet been invoiced or otherwise notified of actual cost. Although certain of our vendors require us to prepay in advance of services rendered, the majority of our service providers invoice us monthly in arrears for services performed. We make estimates of prepayments to consume or expenses to be accrued as of each balance sheet date in our consolidated financial statements based on facts and circumstances known to us at that time. Such payments are evaluated for current or noncurrent classification based on when they will be realized. Additionally, if expectations change such that we do not expect goods to be delivered or services to be rendered, such prepayments are charged to expense to the extent they are refundable. Examples of research and development expenses include fees to:

 •

 contract research organizations and other service providers in connection with clinical studies;

 •

 contract manufacturers in connection with the production of clinical trial materials; and

 •

 vendors in connection with preclinical development activities.

 We base our expenses related to clinical studies on our estimates of the services received and efforts expended pursuant to contracts with multiple research institutions and contract research organizations that conduct and manage clinical studies on our behalf. The financial terms of these agreements are subject to negotiation, vary from contract to contract and may result in uneven payment flows and expense recognition. Payments under some of these contracts depend on factors such as the successful screening and enrollment of patients and the completion of clinical trial milestones. In expensing service fees, we estimate the time period over which services will be performed and the level of effort to be expended in each period. If the actual timing of the performance of services or the level of effort varies from our estimate, we adjust the related prepayment or accrual accordingly. Our understanding of the status and timing of services performed relative to the actual status and timing of services performed may vary and may result in our reporting changes in estimates in any particular period. Adjustments to prior period estimates have not been material for the years ended December 31, 2023, 2022, and 2021.
 Development Financing Agreement
 We account for our Development Financing Agreement with Abingworth (the Financing Agreement) as a debt instrument. Accordingly, we have recorded payments received under the Financing Agreement as part of a development financing liability in our consolidated balance sheet. The liability is recorded at amortized cost and accreted to the contractual success fee amounts based on the estimated timing of regulatory approval and attainment of certain sales milestones using an imputed interest rate. Certain transaction fees incurred specifically to complete the Financing Agreement were capitalized and recorded as a reduction to the carrying amount of the development financing liability and are being amortized to interest expense using the effective interest rate method.
 There are several factors that could affect the estimated timing of regulatory approval and attainment of sales milestones, some of which are not entirely within our control. Therefore, we periodically reassess the estimated timing of regulatory approval and attainment of sales milestones, and the expected contractual success fee payments due therefrom. If the timing and/or amount of such expected payments is materially different than original estimates, we will prospectively adjust the accretion of the development financing liability and the imputed interest rate.
 We identified certain contingent repayment features in the Financing Agreement that are required to be bifurcated from the debt host instrument as embedded derivative liabilities; however, we determined the fair value of these features, both individually and in aggregate, were immaterial at inception and as of December 31, 2023, 2022, and 2021. The fair value of these features will be assessed at each subsequent reporting date and will be marked to market, if material. To determine the amount to record for the embedded derivative liability, we must assess the probability of occurrence of various potential future events that could affect the timing and/or amount of future cash flows related to the Financing Agreement.
 Stock-Based Compensation
 We measure stock-based compensation cost at the grant date, based on the estimated fair-value of the awards, and we recognize the portion that we ultimately expect to vest as an expense over the related vesting periods, net of actual forfeitures as they occur. We estimate the grant-date fair value based of stock options using the Black-Scholes option pricing model and recognize compensation expense over the service period and forfeitures are accounted for as they occur.
 The Black-Scholes option-pricing model requires the input of certain assumptions. These variables include, but are not limited to, our stock price volatility over the term of the awards, and actual and projected employee stock option exercise behaviors. We determine our stock price volatility based on the sufficiency of our historical stock price data. Due to insufficient historical data of exercise behavior, we have used the "simplified method" to determine the expected life of stock options granted with a service condition. Management continually assesses

the assumptions and methodologies used to calculate the estimated fair value of stock-based compensation and evaluates the need to make changes when and if necessary. Any such changes to our valuation assumptions and methodologies could materially impact our fair value determination and the resulting stock-based compensation expense.
 Results of Operations
 General
 To date, we have not generated any income from operations. As of December 31, 2023, we have an accumulated deficit of $978.2 million, primarily as a result of expenditures for research and development, general and administrative expenses and net interest expenses from inception to that date. Currently, our lead product candidate is in late-stage development and will require additional work and regulatory approval before it can be commercialized. Accordingly, we expect to continue to incur substantial losses from operations for the foreseeable future and there can be no assurance that we will ever generate sufficient revenue to achieve and sustain profitability. Until we can generate sufficient product revenue, which we may never do, we will need to finance future cash needs through potential collaborative, partnering or other strategic arrangements, as well as through equity offerings, debt financings or a combination of the foregoing.
 Operating Results
 This discussion and analysis addresses 2023 and 2022 items and year-over-year comparisons between 2023 and 2022. Discussions of 2021 items and year-over-year comparisons between 2022 and 2021 that are not included in this Annual Report on Form 10-K can be found in "Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the fiscal year ended December 31, 2022, filed with the SEC on March 23, 2023.
 Our results of operations for the years ended December 31, 2023 and 2022 are presented below (in thousands):

 Change

 2023

 2022

 2023 vs. 2022

 ($ in thousands)

 Collaboration revenue

 $

 31,073

 $

 —

 $

 31,073

 Operating expenses:

 Research and development

 80,799

 67,995

 12,804

 General and administrative

 51,953

 25,116

 26,837

 Total operating expenses

 132,752

 93,111

 39,641

 Loss from operations

 (101,679

)

 (93,111

)

 (8,568

)

 Other income (expense), net:

 Interest income

 13,490

 2,017

 11,473

 Interest expense

 (18,945

)

 (14,907

)

 (4,038

)

 Other income

 1,764

 —

 1,764

 Total other income (expense), net

 (3,691

)

 (12,890

)

 9,199

 $

 (105,370

)

 $

 (106,001

)

 $

 Collaboration Revenue
 On January 6, 2023, we entered into a Collaboration and License Agreement (the License Agreement) with Kaken Pharmaceuticals Co., Ltd (Kaken). Pursuant to this agreement, we granted Kaken an exclusive license to

develop and commercialize seladelpar for the treatment of PBC in Japan. In consideration of the license and other rights granted by us, Kaken made an upfront cash payment to the Company of 4.5 billion in January 2023 (or $34.2 million, comprised of $33.7 million of contract consideration).
 Of the $33.7 million, we recognized $31.1 million as collaboration revenue during the year ended December 31, 2023. This collaboration revenue principally relates to the license transfer and the delivery of certain underlying technology and know-how associated with the license. The remaining $2.8 million portion of the upfront consideration was deferred, as it relates to our data delivery performance obligation and our CMC development performance obligation which were not delivered as of December 31, 2023.
 Research & Development Expenses
 Conducting research and development is central to our business model. Research and development expenses increased $12.8 million to $80.8 million from $68.0 million for the years ended December 31, 2023 and 2022, respectively. We expect that our research and development expenses to increase in the near term as we continue to expand our clinical activities related to seladelpar.
 Research and development expenses are detailed further in the table below (in thousands):

 Change

 2023

 2022

 2023 vs. 2022

 Project costs:

 Seladelpar PBC clinical studies

 $

 35,697

 $

 34,143

 $

 1,554

 Seladelpar drug manufacturing & development

 3,689

 6,585

 (2,896

)

 Preclinical

 1,388

 Seladelpar and non-seladelpar other studies

 (7

)

 Total project costs

 40,788

 41,635

 (847

)

 Internal research and development costs

 40,011

 26,360

 13,651

 Total research and development

 $

 80,799

 $

 67,995

 $

 12,804

 Our project costs consist primarily of:

 •

 expenses incurred under agreements with contract research organizations, investigative sites and service providers that conduct our clinical trials and a substantial portion of our preclinical activities;

 •

 the cost of acquiring materials and manufacturing drug products for use in clinical trial and other research activities; and

 •

 other costs associated with development activities, including additional studies.

 Internal research and development costs consist primarily of salaries and related fringe benefits costs for our employees (such as workers' compensation and health insurance premiums), stock-based compensation charges, travel costs, and overhead expenses. Internal costs generally benefit multiple projects and are not separately tracked per project.
 Comparison of Years Ended December 31, 2023 and 2022
 Total project costs, which primarily consisted of clinical trial expenses for seladelpar in PBC, decreased by $0.8 million to $40.8 million from $41.6 million for the years ended December 31, 2023 and 2022, respectively. Project costs for the years ended December 31, 2023 and 2022 primarily consisted of seladelpar-related clinical trial expenses for PBC. The decrease was primarily driven by lower contract research expenses for our RESPONSE

clinical trial following completion of the trial as well as lower drug manufacturing expenses during the year ended December 31, 2023. Internal research and development costs increased by $13.7 million to $40.0 million from $26.4 million for the years ended December 31, 2023 and 2022, respectively, primarily due to an increase in employee compensation, contractor costs, and consultant expenses incurred in the year ended December 31, 2023 compared to the year ended December 31, 2022 as we continued to engage additional research and development personnel to startup our AFFIRM and IDEAL clinical trials and to support other ongoing clinical development activities.
 General and Administrative Expenses
 General and administrative expenses consist principally of personnel-related costs, professional fees for legal, consulting, and accounting services, rent, and other general operating expenses not otherwise included in research and development.
 Comparison of Years Ended December 31, 2023 and 2022
 General and administrative expenses increased by $26.8 million to $52.0 million from $25.1 million for the years ended December 31, 2023 and 2022, respectively. The increase was driven primarily by growth in employee headcount and incremental expenditures related to our pre-commercial planning activities for seladelpar and our continued expansion of our operations. We expect these types of general and administrative expenses to continue to increase in the future as we further expand support for our ongoing drug development activities and expand on initiatives to plan and prepare for potential commercialization of seladelpar in PBC.
 Other Income (Expense), Net
 Other income (expense), net includes interest expense related to the accretion of the development financing liability recorded in connection with the July 2021 Abingworth Development Financing Agreement (the Financing Agreement) using the effective interest method, net of interest income earned on our marketable securities portfolio and other income.
 Comparison of Years Ended December 31, 2023 and 2022
 Other income (expense), net, decreased $9.2 million to $3.7 million from $12.9 million for the years ended December 31, 2023 and 2022, respectively.
 Interest income increased $11.5 million to $13.5 million from $2.0 million for the years ended December 31, 2023 and 2022, respectively, due to higher prevailing interest rates and an increase in investments held in our portfolio.
 Interest expense increased $4.0 million to $18.9 million from $14.9 million for the years ended December 31, 2023 and 2022, respectively, primarily due to interest expense from the Abingworth Development Financing Arrangement.
 Other income was $1.8 million for the year ended December 31, 2023, primarily due to the recognition of $1.3 million related to certain refundable Employee Retention Tax Credits for the years 2020 and 2021 pursuant to provisions of the CARES Act that were designed to help businesses retain employees and $0.5 million related to foreign currency gains.
 Income Taxes
 As of December 31, 2023, we had federal net operating loss carryforwards of $365.6 million and state net operating loss carryforwards of $214.9 million to offset future taxable income, if any. In addition, we had federal

research and development tax credit carryforwards of $4.5 million, federal orphan drug tax credit carryforwards of $38.4 million, and state research and development tax credit carryforwards of $11.0 million. If not utilized, the federal net operating losses for the years beginning before January 1, 2018 of $78.4 million will expire beginning in 2034 through 2037, and the federal net operating losses for the tax years beginning after January 1, 2018 of $287.2 million will be carried forward indefinitely (subject to certain utilization limitations). The state net operating loss carryforwards will expire beginning in 2028 through 2043. The federal research and development and federal orphan drug tax credit carryforwards expire 2033 through 2043, and the state tax credit will carry forward indefinitely. Current federal and state tax laws include substantial restrictions on the utilization of net operating losses and tax credits in the event of an ownership change. During 2022, we completed a study and determined historical ownership changes occurred through December 31, 2022 and accordingly, we have reduced our carryforwards to incorporate the effects of these federal and state restrictions. Carryforwards that remain available may be subject to annual limitations, lack of future taxable income, or future ownership changes that could result in the expiration of the carryforwards before they are utilized. The Section 382 analysis was updated through December 31, 2023 with no incremental restrictions on use of net operating loss or credit carryforwards.
 As of December 31, 2023, we recorded a full valuation allowance against our deferred tax assets of approximately $169.5 million, as our management believes it is more likely than not that they will not be fully realized. Interest and penalties for the years ended December 31, 2023 and 2022 were not material.
 Liquidity and Capital Resources
 We have financed our operations primarily through the sale of equity securities, licensing fees, issuance of debt and collaborations with third parties. As of December 31, 2023, cash, cash equivalents and marketable securities totaled $416.2 million, compared to $135.5 million as of December 31, 2022.
 Collaboration and License Agreement
 As noted above, on January 6, 2023, we entered into the License Agreement with Kaken. Pursuant to the License Agreement, we granted Kaken an exclusive license to develop and commercialize seladelpar for the treatment of PBC in Japan. In exchange for the license and other rights granted by us, Kaken paid us 4.5 billion in January 2023 (or $34.2 million, comprised of $33.7 million of contract consideration and a $0.5 million foreign exchange gain recorded in Other income (expense), net during the year ended December 31, 2023) and is also obligated to make aggregate potential future milestone payments to us totaling up to 17.0 billion ($128.0 million at exchange rates in effect at contract inception date) upon Kaken's achievement of certain regulatory and sales milestones. We agreed to manufacture and supply seladelpar to Kaken for use in the territory in exchange for payments from Kaken as set forth in the License Agreement with specific terms defined or to be defined in supply agreements. We will deliver to Kaken data from our clinical trials, nonclinical studies and other pre-clinical data, chemistry manufacturing and controls (CMC) data, and other information (when such data and information becomes available), and know-how that is controlled by us that is reasonably necessary for Kaken to seek regulatory approval in Japan. We may also be requested by Kaken to conduct CMC activities specific to commercialization in Japan and provide other assistance.
 Pursuant to the License Agreement, we and Kaken also agreed to establish a joint steering committee to provide strategic oversight of both parties' activities under the License Agreement.
 The License Agreement may be early terminated by either party for material breach, upon a party's insolvency or bankruptcy or upon a challenge by one party of any patents of the other party, and Kaken may terminate in specified situations, including for a safety concern, clinical failure or termination of an underlying in-license to us from Janssen Pharmaceutica NV. Kaken may also terminate the License Agreement at its convenience with specified prior notice.
 The License Agreement is effective until the date upon which (a) the royalty term has expired in Japan for the final licensed product, or (b) the License Agreement is earlier terminated (the Initial Term). After the Initial

Term, the License Agreement will be automatically renewed for 2-year periods, unless either party has given the other party a written notice not to renew the License Agreement.
 Sale of Common Stock and Pre-funded Warrants
 On September 11, 2023, we sold 14,521,307 shares of common stock, at $17.13 per share and a pre-funded warrant to purchase 583,771 shares of common stock at $17.1299 per share in a public equity offering (September 2023 public offering), for total net proceeds of $242.8 million, after deducting underwriting discounts and commissions and other offering expenses.
 On January 23, 2023, we sold 11,821,428 shares of common stock at $7.00 per share and a pre-funded warrant to purchase 2,142,857 shares of common stock at $6.9999 per share in a public equity offering (January 2023 public equity offering), for total net proceeds of approximately $92.4 million after deducting underwriting discount and other offering expenses.
 At-the-Market (ATM) Facility
 In March 2023, we filed a registration statement on Form S-3 with the SEC and entered into an at-the-market facility (ATM) to sell up to $100.0 million of common stock under the registration statement pursuant to the Controlled Equity Offering SM Sales Agreement with Cantor Fitzgerald & Co., dated July 2, 2020. To date, we have not sold any shares of common stock under the ATM.
 Cash Flows
 The following table sets forth a summary of the net cash flow activity for each of the periods indicated below (in thousands):

 2023

 2022

 Net cash used in operating activities

 $

 (72,531

)

 $

 (84,080

)

 Net cash used in investing activities

 (86,569

)

 (45,985

)

 Net cash provided by financing activities

 345,772

 24,550

 Net increase (decrease) in cash, cash equivalents and restricted cash

 $

 186,672

 $

 (105,515

)

 Cash Flows from Operating Activities
 Net cash used in operating activities primarily consists of net loss, adjusted for certain non-cash items, including depreciation and amortization, non-cash lease expense, stock-based compensation expense, accretion of development financing liability, write-off of deferred financing costs, net (accretion) amortization of investments in marketable securities, and the effect of changes in working capital and other activities.
 Comparison of the Years Ended December 31, 2023 and 2022
 Net cash used in operating activities for the year ended December 31, 2023 decreased by $11.5 million to $72.5 million as compared to $84.1 million for the same period in the prior year, primarily due to a lower net loss due to the recognition of $31.1 million of collaboration revenue, changes in working capital in the year ended December 31, 2023, and partially offset by an increase in our operating expenses to $132.8 million from $93.1 million in the prior year primarily due to the expansion of our late-stage clinical trial activities related to the seladelpar development program as well as preparation for potential commercialization of seladelpar in PBC. In addition, cash was used to fund changes in our working capital due to the timing of payments.

 Cash Flows from Investing Activities
 Our investing activities primarily consist of purchases and redemption of marketable securities and purchases of property and equipment.
 Comparison of the Years Ended December 31, 2023 and 2022
 Net cash used in investing activities was $86.6 million for the year ended December 31, 2023 compared to $46.0 million used in investing activities in the prior year, primarily due to the timing of our purchases of investments and maturities of marketable securities and portfolio risk management.
 Cash Flows from Financing Activities
 Comparison of the Years Ended December 31, 2023 and 2022
 Net cash provided by financing activities was $345.8 million for the year ended December 31, 2023 compared to $24.6 million in the prior year. During the year ended December 31, 2023, we received net proceeds of approximately $242.8 million from the September 2023 public offering and approximately $92.4 million from the January 2023 public offering. In addition, proceeds of $10.6 million were received from the issuance of common stock pursuant to our equity award plans during the year ended December 31, 2023.
 Capital Requirements
 We have incurred operating losses since inception and had an accumulated deficit of $978.2 million as of December 31, 2023. As of December 31, 2023, we had cash, cash equivalents and marketable securities of approximately $416.2 million.
 We expect to continue to incur substantial expenses related to our development activities for the foreseeable future as we continue product development for seladelpar. Since product candidates in later stages of clinical development generally have higher development costs than those in earlier stages of clinical development, primarily due to the increased size and duration of later stage clinical trials, we expect that our research and development expenses will increase in the future. We also expect that our overall operating expenses will increase in the future as we continue to plan and prepare for potential commercialization of seladelpar in PBC. We believe we will continue to require additional financing to develop our products and fund future operating losses, as well as to pay our obligations to Abingworth under our Financing Agreement with Abingworth, and will seek funds through equity financings, debt, collaborative or other arrangements with corporate sources, or through other sources of financing. It is unclear if or when any such financing transactions will occur, on satisfactory terms or at all. Our failure to raise capital as and when needed could have a negative impact on our financial condition and our ability to pursue our business strategies. If adequate funds are not available to us, it could have a material adverse effect on our business, results of operations, and financial condition.
 Contractual Obligations and Other Cash Requirements
 Our non-current contractual obligations as of December 31, 2023 include minimum lease payments for our current corporate office facility located in Newark, California, and the operating and finance subleases for the new corporate headquarters in Fremont, California, which we entered into in December 2023. Under our current corporate office space lease, we are also obligated to reimburse the lessor for a prorated portion of monthly facility operating expenses during the lease term. As of December 31, 2023, we had an immaterial amount of lease payments due in one year or less, primarily due to a contractual rent abatement period in the new sublease agreement, and $9.1 million due over the remaining lease term.
 In addition, we rely on contract research organizations and other research support providers to perform clinical and preclinical studies for us and we contract with firms to supply our drug compounds for use in our

activities. Under the terms of our agreements with these organizations, we are obligated to make future payments as services are provided. However, these agreements are terminable by us upon written notice and we are generally only liable for actual effort expended or cost incurred by the organizations through the termination notice period.
 We have entered into commercial supply agreements with our contract manufacturers, where we are contractually committed to minimum purchase amounts and are also subject to payment associated with binding purchase orders in the event of cancellation. In the normal course of business, we are also party to various contracts with our other vendors, which are generally cancellable within ninety days or less.
 We have significant potential payment obligations under the Financing Agreement that are contingently payable by us to Abingworth upon regulatory approval of seladelpar in PBC and achievement of certain sales for seladelpar. Specifically, we will pay to Abingworth fixed and variable success payments, including (1) contingent upon the first to occur of regulatory approval of seladelpar for the treatment of PBC in the U.S., U.K., Germany, Spain, Italy or France (Regulatory Approval), fixed success payments equal to 2.0x of the funding provided, consisting of $10 million payable within 90 days after Regulatory Approval and thereafter payments due on the first six anniversaries of the Regulatory Approval in the amounts of $15 million, $22.5 million, $22.5 million, $25.0 million, $27.5 million and $27.5 million, respectively and (2) variable success payments equal to 1.1x of the funding provided, consisting of sales milestone payments of (x) $17.5 million and $27.5 million, respectively upon first reaching certain cumulative U.S. product sales thresholds, and (y) $37.5 million upon first reaching a specified U.S. product sales run rate. See Note 7—Development Financing Agreement of our consolidated financial statements in this Annual Report for a more complete description of our financial obligations under the Financing Agreement. We were in compliance with all terms and covenants related to the Financing Agreement as of December 31, 2023.
 Item 7A. Quantitative and Qualitative Disclosures About Market Risk
 We are exposed to cash flow and earnings fluctuations as a result of certain market risks. These market risks primarily relate to credit risk and changes in interest rates. Our investment portfolio is used to preserve our capital until it is required to fund operations, including our research and development activities. None of these market risk-sensitive instruments are held for trading purposes. We do not have derivative financial instruments in our investment portfolio.
 Credit Risk
 We manage credit risk associated with our investment portfolio through our investment policy, which limits purchases to high-quality issuers and limits the amount of our portfolio that can be invested in a single issuer.
 Interest Rate Risk
 We invest our cash in a variety of financial instruments, principally securities issued by the U.S. government and its agencies, investment-grade corporate bonds and commercial paper, and money market funds. These investments are denominated in U.S. dollars. All of our interest-bearing securities are subject to interest rate risk and could decline in value if interest rates fluctuate. Substantially all of our investment portfolio consists of marketable securities with active secondary or resale markets to help ensure portfolio liquidity, and we have implemented guidelines limiting the term-to-maturity of our investment instruments. Due to the conservative and short-term nature of these instruments, we do not believe that we have a material exposure to interest rate risk. If market interest rates were to increase or decrease by one percentage point, the fair value of our investment portfolio would increase or decrease by an immaterial amount.
 Item 8. Financial Statements and Supplementary Data
 The disclosure required in this Item is included in Item 15, which information is incorporated by reference here.

 Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
 None.
 Item 9A. Controls and Procedures
 Evaluation of Disclosure Controls and Procedures
 We maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed in our reports under the Exchange Act, and the rules and regulations thereunder, is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms and that such information is accumulated and communicated to our management, including our chief executive officer and principal financial officer, as appropriate, to allow for timely decisions regarding required disclosure. In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures.
 Based on the evaluation of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act), our chief executive officer and principal financial officer have concluded that, as of the end of the period covered by this report, the design and operation of our disclosure controls and procedures were effective at the reasonable assurance level.
 Limitations on the Effectiveness of Controls
 A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the controls are met. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues, if any, within a company have been detected. Accordingly, our disclosure controls and procedures are designed to provide reasonable, not absolute, assurance that the objectives of our disclosure control system are met.
 Management's Annual Report on Internal Control Over Financial Reporting
 Our management is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is a process designed by, or under the supervision of, our President and Chief Executive Officer and our Chief Financial Officer to provide reasonable assurance regarding the reliability of financial reporting and the preparation of consolidated financial statements for external purposes in accordance with generally accepted accounting principles and includes those policies and procedures that (1) pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and dispositions of our assets; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that our receipts and expenditures are being made only in accordance with authorizations of our management and directors; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of our assets that could have a material effect on the financial statements.
 Under the supervision and with the participation of our management, including our President and Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting based on criteria established in "Internal Control—Integrated Framework (2013)" issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Based on this evaluation, our management concluded that our internal control over financial reporting was effective as of December 31, 2023.
 The independent registered public accounting firm Ernst & Young, LLP has issued an audit report on our internal controls over financial reporting, which is included below and on the following page.

 Changes in Internal Controls
 There were no changes in our internal control over financial reporting that occurred during the quarter ended December 31, 2023, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.
 Attestation Report of Independent Registered Public Accounting Firm
 Our independent registered public accounting firm, Ernst & Young LLP, has audited our Consolidated Financial Statements included in Item 8 of this Annual Report on Form 10-K and have issued a report on our internal control over financial reporting as of December 31, 2023. Their report on the audit of internal control over financial reporting appears below.
 Report of Independent Registered Public Accounting Firm
 To the Stockholders and the Board of Directors of CymaBay Therapeutics, Inc.
 Opinion on Internal Control Over Financial Reporting
 We have audited CymaBay Therapeutics, Inc.'s internal control over financial reporting as of December 31, 2023, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). In our opinion, CymaBay Therapeutics, Inc. (the Company) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2023, based on the COSO criteria.
 We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of the Company as of December 31, 2023 and 2022, the related consolidated statements of operations and comprehensive loss, stockholders' equity and cash flows for each of the three years in the period ended December 31, 2023, and the related notes and our report dated February 28, 2024 expressed an unqualified opinion thereon.
 Basis for Opinion
 The Company's management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying Management's Annual Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company's internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

 We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects.

 Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

 Definition and Limitations of Internal Control Over Financial Reporting

 A company's internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company's internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company's assets that could have a material effect on the financial statements.

 Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

 /s/ Ernst & Young LLP

 San Mateo, California

 February 2 8
, 2024

 Item 9B.

 Other Information

 Rule 10b5-1
 Trading Plans

 The adoption or termination of contracts, instructions or written plans for the purchase or sale of our securities by our Section 16 officers and directors for the three months ended December 31, 2023, each of which is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c)
 under the Exchange Act, were as follows:

 Aggregate number of

 Expiration Date or

 securities to be

 Name

 Title

 Trading Arrangement

 Action

 Date Adopted

 Termination Date

 purchased or sold

 Paul Quinlan

 General
Counsel

 Rule 10b5-1

Trading
Arrangement

 Adopted

 December 21, 2023

 August 30, 2024

 95,000

 Lewis Stuart

 Chief Commercial
Officer

 Rule 10b5-1

Trading
Arrangement

 Termination

 August 30, 2024

 December 7, 2023

 300,000

 Other than as disclosed above, none of our directors or Section 16 officers adopted or terminated a non-Rule
 10b5-1
 trading arrangement as defined in Item 408 of Regulation S-K.

 Item 9C.

 Disclosure Regarding Foreign Jurisdictions that Prevent Inspections.

 Not applicable.

 Item 10.

 Directors, Executive Officers and Corporate Governance

 The information required by this item with respect to our executive officers is incorporated herein by reference to the information set forth under the caption "Information about our Executive Officers" in Part I of this Annual Report. The information required by this item with respect to our directors is incorporated herein by reference to the information set forth under the caption "Proposal 1–Election of Directors" in our proxy statement for our 2024 annual meeting of stockholders, or the 2024 Proxy Statement. The information required by this item with respect to late Section 16 filings, if any, is incorporated by reference to the information set forth under the caption "Section 16(a) Beneficial Ownership Reporting Compliance" in the 2024 Proxy Statement. The information required by this item with respect to the committees of our board of directors is incorporated by reference to the information set forth under the caption "Information Regarding the Board of Directors and Corporate Governance–Information Regarding Committees of the Board" in the 2024 Proxy Statement.

 If the 2024 Proxy Statement is not filed within 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K,
 the omitted information will be included in an amendment to this Annual Report on Form 10-K
 filed not later than the end of such 120-day
 period.

 Code of Business Conduct

 Our Code of Business Conduct and Ethics applies to all officers, directors and employees, including our principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions. A copy of our Code of Business Conduct and Ethics can be found on our website,  The contents of our website are not a part of this Annual Report on Form 10-K.
 We intend to satisfy the disclosure requirement under Item 5.05 of Form 8-K
 regarding an amendment to, or waiver from, a provision of this Code of Business Conduct and Ethics by posting such information on our website, at the address and location specified above.

 Item 11.

 Executive Compensation

 Reference is made to the information to be included under the headings "Executive Compensation" and "Director Compensation" in our 2024 Proxy Statement, which information is hereby incorporated by reference.

 Item 12.

 Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

 The information required by this item with respect to security ownership of certain beneficial owners and management will be set forth in our 2024 Proxy Statement under the caption "Security Ownership of Certain Beneficial Owners and Management" and is incorporated herein by reference.

 Equity Compensation Plan Information

 Information concerning our equity compensation plans will be set forth in our 2024 Proxy Statement under the caption "Securities Authorized for Issuance under Equity Compensation Plans—Equity Compensation Plan Information" and is incorporated herein by reference.

 Item 13.

 Certain Relationships and Related Transactions, and Director Independence

 The information required by this item will be set forth in our 2024 Proxy Statement under the captions "Transactions with Related Persons" and "Information Regarding the Board of Directors and Corporate Governance—Independence of the Board of Directors" and is incorporated herein by reference.

 Item 14.

 Principal Accountant Fees and Services

 The information required by this item will be set forth in our 2024 Proxy Statement under the caption "Principal Accountant Fees and Services" in the proposal under the caption "Ratification of Selection of Independent Registered Public Accounting Firm" and is incorporated herein by reference.

 Item 15.

 Exhibits and Financial Statement Schedules

 (a)

 Documents filed as part of this report

 1. Financial Statements

 Page

 Report of Independent Registered Public Accounting Firm (PCAOB ID: 42)

 Consolidated Balance Sheets as of December 31, 2023 and 2022

 Consolidated Statements of Operations and Comprehensive Loss for the years ended December 31, 2023, 2022, and 2021

 Consolidated Statements of Stockholders' Equity for the years ended December 31, 2023, 2022 and 2021

 Consolidated Statements of Cash Flows for the years ended December 31, 2023, 2022 and 2021

 Notes to Consolidated Financial Statements

 2. Financial Statement Schedules

 Financial statement schedules have been omitted in this report because they are not applicable, not required under the instructions, or the information requested is set forth in the consolidated financial statements or related notes thereto.

 (b) List of Exhibits

 The following exhibits are included herein or incorporated herein by reference:

 Incorporation By Reference

 Number

 Exhibit Description

 Form

 SEC File No.

 Filing Date

 3.1

 Amended and Restated Certificate of Incorporation.

 10/A

 3.1

 10/17/2013

 3.2

 Certificate of Amendment of the Amended and Restated Certificate of Incorporation.

 3.1

 6/26/2020

 3.3

 Amended and Restated By-Laws.

 10/A

 3.2

 10/17/2013

 4.1

 Reference is made to Exhibits 3.1, 3.2 and 3.3.

 4.2

 Description of Common Stock.

 4.2

 3/25/2021

 4.3

 Form of Warrant to Purchase Shares of Common Stock.

 4.1

 11/18/2021

 4.4

 Form of Warrant to Purchase Shares of Common Stock.

 4.1

 1/25/2023

 4.5

 Form of Warrant to Purchase Shares of Common Stock.

 4.1

 9/12/2023

 10.1*

 2003 Equity Incentive Plan.

 10.1

 8/12/2013

 Incorporation By Reference

 Number

 Exhibit Description

 Form

 SEC File No.

 Filing Date

 10.2*

 Form of 2003 Equity Incentive Plan Stock Option Agreement.

 10.2

 8/12/2013

 10.3*

 Form of 2003 Equity Incentive Plan Early Exercise Stock Option Agreement.

 10.3

 8/12/2013

 10.4*

 2013 Equity Incentive Plan.

 10.1

 6/7/2018

 10.5*

 Form of Option Grant Notice and Option Agreement under the 2013 Equity Incentive Plan.

 10/A

 10.26

 10/17/2013

 1 0.
6*

 Form of Incentive Award Grant Notice under the 2013 Equity Incentive Plan.

 10.22

 3/31/2014

 10.7*

 2020 New Hire Plan.

 10.4

 8/10/2023

 10.8*

 Form of Stock Option Grant Notice and Option Agreement under the 2020 New Hire Plan.

 10.8

 3/25/2021

 10.9

 2023 Equity Incentive Plan.

 S-8

 333-272895

 99.1

 6/23/2023

 10.10

 Forms of Stock Option Grant Notice and Stock Option Agreement under the 2023 Equity Incentive Plan.

 S-8

 333-272895

 99.2

 6/23/2023

 10.11+

 Form of RSU Award Grant Notice and RSU Award Agreement under the 2023 Equity Incentive Plan.

 10.12

 Form of CymaBay Indemnity Agreement.

 10.7

 3/15/2018

 10.13#

 PPAR-d License Agreement, dated June 20, 2006, by and between Metabolex, Inc. and Janssen Pharmaceutical NV.

 10.1

 11/14/2022

 10.14#

 Development Financing Agreement, dated July 30, 2021, by and between CymaBay Therapeutics, Inc. and ABW Cyclops SPV LP.

 10.1

 11/10/2021

 10.15#+

 Collaboration and License Agreement, dated January 6, 2023, between CymaBay Therapeutics, Inc. and Kaken Pharmaceutical Co., Ltd.

 10.12

 3/23/2023

 10.16

 Lease, dated November 8, 2013, between CymaBay Therapeutics, Inc. and BMR-Pacific Research Center, L.P.

 10.27

 11/25/2013

 10.17

 First Amendment to Lease, dated April 16, 2018, between CymaBay Therapeutics, Inc. and BMR-Pacific Research Center, LP.

 10.1

 5/8/2018

 10.18+

 Second Amendment to Lease, dated February 6, 2024, between CymaBay Therapeutics, Inc. and BMR-Pacific Research Center, LP.

 10.19+#

 Agreement of Sublease, dated December 1, 2023, between CymaBay Therapeutics, Inc. and Meta Platforms, Inc.

 Incorporation By Reference

 Number

 Exhibit Description

 Form

 SEC File No.

 Filing Date

 10.20*

 Offer Letter, dated December 6, 2013, between CymaBay Therapeutics, Inc. and Sujal Shah.

 10.24

 3/31/2014

 10.21*

 Offer Letter, dated November 21, 2013, between CymaBay Therapeutics, Inc. and Charles A. McWherter.

 10.26

 3/31/2014

 10.22*

 Offer Letter, dated August 2, 2017, between CymaBay Therapeutics, Inc. and Daniel Menold.

 10.4

 8/10/2017

 10.23*

 Offer Letter, dated September 4, 2018, between CymaBay Therapeutics, Inc. and Klara Dickinson.

 10.16

 2/28/2019

 10.24*

 Offer Letter, dated August 27, 2020, between CymaBay Therapeutics, Inc. and Paul Quinlan.

 10.18

 3/25/2021

 10.25*

 Offer Letter, dated March 24, 2021, between CymaBay Therapeutics, Inc. and Lewis Stuart.

 10.1

 8/12/2021

 10.26*

 Offer Letter, dated April 27, 2023, between CymaBay Therapeutics, Inc. and Harish Shantharam.

 10.1

 5/9/2023

 10.27*

 Notice of Resignation and Transition, effective February 20, 2023, between CymaBay Therapeutics, Inc. and Dennis Kim.

 001-35600

 10.1

 2/23/2023

 10.28*

 Non-Employee Director Compensation Program.

 10.1

 1/26/2024

 10.29

 Controlled Equity Offering SM Sales Agreement, dated July 2, 2020, between CymaBay Therapeutics, Inc. and Cantor Fitzgerald & Co.

 S-3

 333-239670

 1.2

 7/2/2020

 21.1+

 List of subsidiaries of the Registrant.

 23.1+

 Consent of Independent Registered Public Accounting Firm.

 24.1+

 Power of Attorney. (Incorporated by reference to the signature page of this Annual Report on Form 10-K.)

 31.1+

 Certification of President and Chief Executive Officer (Principal Executive Officer) pursuant to Rule 13-a-14(a) or Rule 15(d)-14(a) of the Exchange Act.

 31.2+

 Certification of Chief Financial Officer (Principal Financial Officer) pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Exchange Act.

 32.1++

 Certification of President and Chief Executive Officer (Principal Executive Officer) and Chief Financial Officer (Principal Financial Officer) pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

 97.1+

 Incentive Compensation Recoupment Policy

 Incorporation By Reference

 Number

 Exhibit Description

 Form

 SEC File No.

 Filing Date

 101.INS+

 101.SCH+

 101.CAL+

 101.DEF+

 101.LAB+

 101.PRE+

 +

 Filed herewith.

 ++

 Furnished herewith.

 *

 Indicates management contract or compensatory plan.

 #

 Certain portions of this exhibit have been omitted because the omitted portions are both not material and is the type of information that CymaBay treats as private or confidential.

 Index to Consolidated Financial Statements

 Page

 Report of Independent Registered Public Accounting Firm (PCAOB ID: 42)

 Consolidated Balance Sheets as of December 31, 2023 and 2022

 Consolidated Statements of Operations and Comprehensive Loss for the years ended December 31, 2023, 2022 and 2021

 Consolidated Statements of Stockholders' Equity for the years ended December 31, 2023, 2022 and 2021

 Consolidated Statements of Cash Flows for the years ended December 31, 2023, 2022 and 2021

 Notes to Consolidated Financial Statements

 Report of Independent Registered Public Accounting Firm

 To the Stockholders and the Board of Directors of CymaBay Therapeutics, Inc.

 Opinion on the Financial Statements

 We have audited the accompanying consolidated balance sheets of CymaBay Therapeutics, Inc. (the Company) as of December 31, 2023 and 2022, the related consolidated statements of operations and comprehensive loss, stockholders' equity and cash flows for each of the three years in the period ended December 31, 2023, and the related notes (collectively referred to as the "consolidated financial statements"). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2023 and 2022, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2023, in conformity with U.S. generally accepted accounting principles.

 We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2023, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework), and our report dated February 2 8
, 2024 expressed an unqualified opinion thereon.

 Basis for Opinion

 These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

 We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud.

 Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

 Critical Audit Matter

 The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgments. The communication of the critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the account or disclosure to which it relates.

 Revenue Recognition - Identification of Distinct Performance Obligations

 Description of

 the Matter

 As described in Note 2 to the consolidated financial statements, the Company enters into licensing and collaboration arrangements that include multiple performance obligations. Determining the completeness of distinct performance obligations under each arrangement requires significant judgment.

 Auditing the Company's licensing and collaboration arrangement was complex due to the effort involved in assessing the promises in the arrangement and whether such promises were distinct performance obligations.

 How We

 Addressed the

 Matter in Our

 Audit

 We obtained an understanding of and evaluated the design and operating effectiveness of controls over the terms of the arrangement and the appropriate identification of performance obligations.

 Our audit procedures included evaluating management's revenue recognition policy which involved the application of management's judgment in the identification of performance obligations. Among other procedures to evaluate management's identification and determination of distinct performance obligations, we examined the executed agreement and assessed the key terms under the relevant authoritative accounting guidance and evaluated management's conclusion that the agreement contains three distinct performance obligations. We evaluated the accuracy of the Company's contract summary documentation, specifically related to the identification and determination of distinct performance obligations, and the related revenue recognition. We confirmed the terms and conditions of the arrangement with the counterparty to ensure all promises were accounted for in the analysis. Finally, we assessed the appropriateness of the related disclosures in the consolidated financial statements.

 /s/ Ernst & Young LLP

 We have served as the Company's auditor since 1994.

 San Mateo, California

 February 2 8
, 2024

 Consolidated Balance Sheets

 (In thousands, except share amounts and par value)

 2023

 2022

 Assets

 Current assets:

 Cash and cash equivalents

 $

 206,535

 $

 Marketable securities

 187,720

 Prepaid expenses and other current assets

 9,547

 2,588

 Total current assets

 403,802

 138,073

 Non-current
 marketable securities

 21,932

 —

 Property and equipment, net

 Right-of-use

 assets

 5,260

 Other assets

 3,227

 2,909

 Total assets

 $

 434,686

 $

 141,852

 Liabilities and stockholders' equity

 Current liabilities:

 Accounts payable

 $

 3,828

 $

 1,096

 Accrued research and development expenses

 5,633

 6,530

 Development financing liability - current portion

 10,000

 —

 Deferred collaboration revenue - current portion

 1,689

 —

 Other accrued liabilities

 15,693

 7,815

 Total current liabilities

 36,843

 15,441

 Development financing liability - non-current
 portion

 99,172

 90,227

 Deferred collaboration revenue - non-current
 portion

 1,100

 —

 Lease liabilities - non-current portion

 5,315

 Total liabilities

 142,430

 105,698

 Commitments and contingencies

 Stockholders' equity:

 Preferred stock, $ 0.0001 par value: 10,000,000 shares authorized; no shares issued and outstanding

 —

 —

 Common stock, $ 0.0001 par value: 200,000,000 shares authorized; 113,864,976 and 84,681,063 shares issued and outstanding as of December 31, 2023 and December 31, 2022, respectively

 Additional paid-in
 capital

 1,270,328

 909,329

 Accumulated other comprehensive income (loss)

 ( 326

)

 Accumulated deficit

 ( 978,227

)

 ( 872,857

)

 Total stockholders' equity

 292,256

 36,154

 Total liabilities and stockholders' equity

 $

 434,686

 $

 141,852

 See accompanying notes to the consolidated financial statements.

 Consolidated Statements of Operations and Comprehensive Loss

 (In thousands, except share and per share information)

 2023

 2022

 2021

 Collaboration revenue

 $

 31,073

 $

 —

 $

 —

 Operating expenses:

 Research and development

 80,799

 67,995

 64,542

 General and administrative

 51,953

 25,116

 23,040

 Total operating expenses

 132,752

 93,111

 87,582

 Loss from operations

 ( 101,679

)

 ( 93,111

)

 ( 87,582

)

 Other income (expense), net:

 Interest income

 13,490

 2,017

 Interest expense

 ( 18,945

)

 ( 14,907

)

 ( 2,583

)

 Other income

 1,764

 —

 —

 Total other income (expense), net

 ( 3,691

)

 ( 12,890

)

 ( 2,416

)

 $

)

 $

)

 $

)

 Other comprehensive (loss) income:

 Unrealized gain (loss) on marketable securities, net of tax

 ( 313

)

 ( 21

)

 Total other comprehensive income (loss)

 ( 313

)

 ( 21

)

 Comprehensive loss

 $

 ( 104,900

)

 $

 ( 106,314

)

 $

 ( 90,019

)

 Basic and diluted net loss per common share

 $

 ( 0.99

)

 $

 ( 1.21

)

 $

 ( 1.27

)

 Weighted average common shares outstanding used to calculate basic and diluted net loss per common share

 106,204,273

 87,804,063

 71,055,331

 See accompanying notes to the consolidated financial statements.

 Consolidated Statements of Stockholders' Equity

 (In thousands, except share and per share information)

 Common Stock

 Additional
Paid-in
Capital

 Other
Comprehensive
Income (Loss)

 Accumulated
Deficit

 Total
Stockholders'
Equity

 Shares

 Amount

 Balances as of December 31, 2020

 68,946,092

 $

 $

 819,549

 $

 $

 ( 676,858

)

 $

 142,706

 Issuance of common stock upon exercise of stock
options

 106,847

 —

 —

 —

 Issuance of common stock and pre-funded
 warrant, net
of
$ 4,965 issuance costs

 15,625,000

 70,034

 —

 —

 70,035

 Stock-based compensation expense

 —

 —

 9,996

 —

 —

 9,996

 —

 —

 —

 —

)

)

 Net unrealized loss on marketable securities

 —

 —

 —

 ( 21

)

 —

 ( 21

)

 Balances as of December 31, 2021

 84,677,939

 $

 $

 899,798

 $

 ( 13

)

 $

 ( 766,856

)

 $

 132,937

 Issuance of common stock upon exercise of stock options

 3,124

 —

 —

 —

 Issuance costs related to issuance of common stock and
pre-funded warrants

 —

 —

 —

 —

 Stock-based compensation expense

 —

 —

 9,517

 —

 —

 9,517

 —

 —

 —

 —

)

)

 Net unrealized loss on marketable securities

 —

 —

 —

 ( 313

)

 —

 ( 313

)

 Balances as of December 31, 2022

 84,681,063

 $

 $

 909,329

 $

 ( 326

)

 $

 ( 872,857

)

 $

 36,154

 Issuance of common stock upon exercise of stock options

 2,216,186

 —

 10,632

 —

 —

 10,632

 Issuance of common stock upon exercise of pre-funded
 warrants

 624,992

 —

 —

 —

 —

 —

 Issuance of common stock and pre-funded
 warrants, net
of $ 21,359 issuance costs

 26,342,735

 335,137

 —

 —

 335,140

 Common Stock

 Additional
Paid-in
Capital

 Other
Comprehensive
Income (Loss)

 Accumulated
Deficit

 Total
Stockholders'
Equity

 Shares

 Amount

 Stock-based compensation expense

 —

 —

 15,230

 —

 —

 15,230

 —

 —

 —

 —

)

)

 Net unrealized gain on marketable securities

 —

 —

 —

 —

 Balances as of December 31, 2023

 113,864,976

 $

 $

 1,270,328

 $

 $

 ( 978,227

)

 $

 292,256

 See accompanying notes to the consolidated financial statements.

 Consolidated Statements of Cash Flows

 (In thousands)

 2023

 2022

 2021

 Operating activities

 $

)

 $

)

 $

)

 Adjustments to reconcile net loss to net cash used in operating activities:

 Depreciation and amortization

 Non-cash
 lease expense

 Stock-based compensation expense

 15,230

 9,517

 9,996

 Accretion of development financing liability

 18,945

 14,907

 2,583

 Write-off
 of deferred financing costs

 —

 —

 Net (accretion) amortization of investments in marketable securities

 ( 7,864

)

 ( 874

)

 Changes in assets and liabilities:

 Prepaid expenses and other current assets

 ( 6,959

)

 1,976

 Other assets

 ( 1,189

)

 ( 1,513

)

 Accounts payable

 2,732

 ( 1,444

)

 2,309

 Deferred collaboration revenue

 2,789

 —

 —

 Accrued research and development expenses

 ( 897

)

 ( 3,222

)

 5,054

 Other accrued liabilities

 7,857

 1,540

 Net cash used in operating activities

 ( 72,531

)

 ( 84,080

)

 ( 69,431

)

 Investing activities

 Purchases of property and equipment

 ( 445

)

 ( 148

)

 ( 87

)

 Purchases of marketable securities

 ( 305,674

)

 ( 174,977

)

 ( 78,084

)

 Proceeds from maturities of marketable securities

 219,550

 129,140

 126,760

 Net cash (used in) provided by investing activities

 ( 86,569

)

 ( 45,985

)

 48,589

 Financing activities

 Proceeds from issuance of common stock pursuant to equity award plans

 10,632

 Proceeds from issuance of common stock and pre-funded
 warrants, net of issuance costs

 335,140

 ( 459

)

 70,499

 Proceeds from development financing, net of transaction costs

 —

 25,000

 47,737

 Net cash provided by financing activities

 345,772

 24,550

 118,455

 Net increase (decrease) in cash, cash equivalents and restricted cash

 186,672

 ( 105,515

)

 97,613

 Cash, cash equivalents, and restricted cash at beginning of period

 125,806

 28,193

 Cash, cash equivalents, and restricted cash at end of period

 $

 206,963

 $

 $

 125,806

 Supplemental disclosures:

 Supplemental operating activities

 Cash paid for amounts included in the measurement of lease liabilities

 $

 $

 $

 Supplemental non-cash
 investing and financing activities

 Right-of-use assets acquired in exchange for operating lease liabilities

 $

 4,833

 $

 —

 $

 —

 Right-of-use assets acquired in exchange for finance lease liabilities

 $

 $

 —

 $

 —

 Accrued financing costs

 $

 —

 $

 —

 $

 See accompanying notes to the consolidated financial statements.

 NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

 1. Organization and Description of Business

 CymaBay Therapeutics, Inc. (the Company or CymaBay) is a clinical-stage biopharmaceutical company focused on developing innovative therapies for patients with liver and other chronic diseases with high unmet medical need. The Company's lead clinical development candidate is seladelpar. Seladelpar has been primarily under development for the treatment primary biliary cholangitis (PBC), a rare liver disease. The Company was incorporated in Delaware in October 1988 as Transtech Corporation. The Company's headquarters and operations are located in Fremont, California and it operates in

 one
 segment.

 Liquidity

 The Company has incurred net operating losses and negative cash flows from operations since its inception. During the year ended December 31, 2023, the Company incurred a net loss of $ 105.4 million and used $ 72.5 million of cash in operations. As of December 31, 2023, the Company had an accumulated deficit of
 $ 978.2 million.

 Historically, the Company has incurred substantial research and development expenses in the course of studying its product candidates in clinical trials. To date, none of the Company's product candidates have been approved for marketing and sale, and the Company has not recorded any revenue from product sales. Generally, the Company's ability to achieve profitability is dependent on its ability to successfully develop, acquire or in-license
 additional product candidates, conduct clinical trials for those product candidates, obtain regulatory approvals, and support commercialization activities for those product candidates. Any products developed will require approval of the U.S. Food and Drug Administration (FDA) or a foreign regulatory authority prior to commercial sale. The regulatory approval process is expensive, time-consuming, and uncertain, and any denial or delay of approval could have a material adverse effect on the Company. Even if approved, the Company's products may not achieve market acceptance and will face competition from both generic and branded pharmaceutical products.
 During the year ended December 31, 2023, the Company completed certain transactions as follows:

 •

 On January 6, 2023, the Company entered into a Collaboration and License Agreement with Kaken Pharmaceutical Co., Ltd (Kaken). Pursuant to the agreement, the Company granted Kaken an exclusive license to commercialize seladelpar for the treatment of PBC in Japan and received an upfront cash payment of $ 34.2 million. For further details, refer to Note 5—Collaboration and License Agreement

.

 •

 On January 23, 2023, the Company sold 11,821,428 shares of common stock at $ 7.00 per share and a pre-funded
 warrant to purchase 2,142,857 shares of common stock at $ 6.9999 per share in a public equity offering, for total net proceeds of $ 92.4 million, after deducting underwriting and other offering expenses. For further details, refer to Note 10—Stockholders' Equity

.

 •

 On September 11, 2023, the Company sold 14,521,307 shares of common stock at $ 17.13 per share and a pre-funded
 warrant to purchase 583,771 shares of common stock at $ 17.1299 per share in a public equity offering, for total net proceeds of $ 242.8 million, after deducting underwriting and other offering expenses. For further details, refer to Note 10—Stockholders' Equity

.

 As of December 31, 2023, the Company had cash, cash equivalents and marketable securities totaling $ 416.2 million. As the Company continues to advance its clinical studies of seladelpar, the Company believes its existing funds are sufficient to fund the Company's current operating expenses for at least twelve months from the issuance date of its financial statements.

 The Company has historically obtained, and expects to obtain in the future, additional financing to fund its business strategy through: future equity offerings; debt financing; one or more possible licenses, collaborations

 or other similar arrangements with respect to development and/or commercialization rights of the Company's product candidates; or a combination of
 the above. It is unclear if or when any such transactions will occur, on satisfactory terms or at all. The Company's failure to raise capital as and when needed could have a negative impact on its financial condition and its ability to pursue its business strategies. If adequate funds are not available to the Company, it could have a material adverse effect on the Company's business, results of operations, and financial condition. Market volatility could also adversely impact the Company's ability to access capital when and as needed. Failure to raise sufficient capital when needed could require the Company to significantly delay, scale back or discontinue its product development programs or commercialization efforts or other aspects of its business plans, and its operating results and financial condition would be adversely affected.

 2. Summary of Significant Accounting Policies

 Basis of Presentation and Use of Estimates

 The accompanying consolidated financial statements are comprised of the accounts of CymaBay and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. The Company has no unconsolidated subsidiaries or investments accounted for under the equity method.

 These consolidated statements have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP), which requires management to make informed estimates and assumptions that impact the amounts and disclosures reported in the consolidated financial statements and accompanying notes.

 Accounting estimates and assumptions are inherently uncertain. Management bases its estimates on historical experience and on assumptions believed to be reasonable under the circumstances. The estimation process often may yield a range of potentially reasonable estimates of the ultimate future outcomes, and management must select an amount that falls within that range of reasonable estimates. Actual results could differ materially from those estimates and assumptions. These estimates form the basis for making judgments about the carrying values of assets and liabilities when these values are not readily apparent from other sources. Estimates are assessed each reporting period and updated to reflect current information.

 Revenue Recognition

 At the inception of an arrangement, the Company evaluates if a counterparty to a contract is a customer, if the arrangement is within the scope of ASC 606—Revenue from Contracts with Customers

, and the term of the contract. The Company recognizes revenue when the customer obtains control of promised goods or services in a contract for an amount that reflects the consideration the Company expects to receive in exchange for those goods or services. For contracts with customers, the Company applies the following five-step model in order to determine this amount: (i) identification of the promised goods or services in the contract; (ii) determination of whether the promised goods or services are performance obligations, including whether they are distinct in the context of the contract; (iii) measurement of the transaction price, including any constraint on variable consideration; (iv) allocation of the transaction price to the performance obligations; and (v) recognition of revenue when (or as) the Company satisfies each
 performance obligation. The Company only applies the five-step model to contracts when it is probable that the Company will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer.
 Collaboration Revenues

 The Company periodically enters into collaboration arrangements with third party collaborators, under which the Company may license certain rights to its intellectual property to permit collaborators to further develop, manufacture and/or commercialize its drug candidates. The terms of these agreements typically include, but are not limited to, payments to the Company for one or more of the following: nonrefundable, upfront license

 fees; development and commercial milestones whose payment is typically contingent upon milestone achievement; funding of research and/or development activities; product supply; and royalties on net sales of licensed products.

 For each collaboration agreement that results in revenues, the Company identifies all material promised goods and services, which may include, but are not limited to, one or more of the following: a license to intellectual property and know-how,
 research and development information and or services, and product supply. Promised goods or services are separate performance obligations if they are distinct. To determine the transaction price to be allocated to each performance obligation, in addition to any upfront payment, the Company estimates the amount of variable consideration at the outset of the contract either utilizing the expected value or most likely amount method, depending on the facts and circumstances relative to the contract. The Company constrains the estimates of variable consideration such that it is probable that a significant reversal of previously recognized revenue will not occur in future reporting periods. When determining if variable consideration should be constrained, management considers whether there are factors outside the Company's control that increase the likelihood of a significant reversal of previously recognized revenue and revenue-related amounts in future reporting periods. These estimates are re-assessed
 each reporting period as necessary depending on the facts and circumstances of each contract.

 Once the estimated transaction price is established, amounts are allocated to identified performance obligations. The transaction price is generally allocated to each separate performance obligation based on its estimated standalone selling price (SSP). To determine SSPs, the Company uses various estimation methods, including the adjusted market assessment approach, which utilizes prices observable in the market for similar goods and services, the expected cost plus a margin approach, as well as applies valuation techniques involving projected discounted cash flows. These approaches may include the use of assumptions and estimates requiring significant judgement.

 The Company recognizes the amount of the transaction price allocated to each respective performance obligation as revenue when the performance obligation is satisfied or as it is satisfied. If a performance obligation is satisfied over time, the Company applies an appropriate method of measuring progress for purposes of recognizing revenue. The Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.

 The Company receives payments from its customers based on payment terms established in each contract. Upfront payments and fees are recorded as deferred revenue upon receipt or when due until the Company performs its obligations under these arrangements. Amounts are recorded as accounts receivable when the Company's right to consideration is unconditional. The Company does not assess whether a contract has a significant financing component if the expectation at contract inception is that the period between payment by the customer and the transfer of the promised goods or services to the customer will be one year or less.

 If the arrangement includes optional goods and services, the Company assesses whether delivery of such goods and services requires the customer to pay fees consistent with their standalone selling prices, or if customer may be entitled to incremental discounts that it would not have received without entering into the agreement and committing to purchase the initial goods and services. The presence of such discounts indicates the customer has received material rights which also represent performance obligations.

 Upfront License Fees:

 If a license to the Company's intellectual property is determined to be distinct from the other performance obligations identified in the arrangement, the Company recognizes revenues from nonrefundable, upfront license fees allocated to the license at a point in time when the license is effective and the underlying intellectual property has been made available to the collaborator and the collaborator is able to use and benefit from the license. For licenses that are not distinct and are bundled with other promised goods and services, the Company utilizes judgment to assess the nature of the performance obligation to determine whether it is satisfied over time or at a point in time.

 Development and Regulatory Milestone Payments

: Depending on facts and circumstances, the Company may conclude that it is appropriate to include a milestone payment in the estimated transaction price using the most likely amount method or that it is appropriate to fully constrain the milestone. A milestone payment is included in the transaction price in the reporting period when the Company concludes that it is probable that recording revenue in the period will not result in a significant reversal of revenue in future periods. The Company may record revenues from certain milestones in a reporting period before the milestone is achieved if it concludes that achievement of the milestone is probable and that recognition of revenue related to the milestone will not result in a significant reversal in amounts recognized in future periods. Revenue from milestones is recognized to the extent of progress made in satisfying the associated performance obligation(s). The Company records a corresponding contract asset when this conclusion is reached. Milestone payments that have not been included in the transaction price to date are fully constrained. These milestones remain fully constrained until the Company concludes that achievement of the milestone is probable and that recognition of revenue related to the milestone will not result in a significant reversal in amounts recognized in future periods. The Company re-evaluates
 the probability of achievement of such development and regulatory milestones and any related constraint each reporting period. The Company adjusts its estimate of the overall transaction price, including the amount of licensing revenue that was recorded, if necessary.

 Sales-based Milestone and Royalty Payments:

 The Company's collaborators may be required to pay it sales-based milestone payments or royalties on future sales of commercial products. The Company recognizes revenues related to sales-based milestone and royalty payments upon the later to occur of (i) achievement of the collaborator's underlying sales or (ii) satisfaction of any performance obligation(s) related to these sales, in each case provided that the license to its intellectual property is deemed to be the predominant item to which the sales-based milestones and/or royalties relate.
 Fair Value of Financial Instruments

 The Company's financial instruments during the periods reported consist of cash, cash equivalents, marketable securities, accounts payable, certain accrued liabilities, and the development financing liability.

 Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. Assets and liabilities that are measured at fair value are reported using a three-level fair value hierarchy that prioritizes the inputs used to measure fair value. This hierarchy maximizes the use of observable inputs and minimizes the use of unobservable inputs and is as follows:

 Level 1—Quoted prices in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date.

 Level 2—Inputs other than quoted prices in active markets that are observable for the asset or liability, either directly or indirectly.

 Level 3—Inputs that are significant to the fair value measurement and are unobservable (i.e. supported by little market activity), which requires the reporting entity to develop its own valuation techniques and assumptions.

 The carrying amounts of cash equivalents approximate their related fair value due to the short-term nature of these instruments. Cash equivalents are classified as level 1 under the fair value hierarchy.

 The following tables present the Company's financial assets that are measured at fair value on a recurring basis using the above input categ o
ri es
 (in thousands):

 As of December 31, 2023

 Level 1

 Level 2

 Level 3

 Total

 Assets:

 Cash equivalents:

 Money market funds

 $

 $

 —

 $

 —

 $

 —

 15,181

 —

 15,181

 U.S and foreign commercial paper

 —

 19,916

 —

 19,916

 —

 33,207

 —

 33,207

 Total cash equivalents

 68,304

 —

 195,535

 Marketable securities:

 U.S. and foreign commercial paper

 —

 66,317

 —

 66,317

 U.S. and foreign corporate debt securities

 —

 5,536

 —

 5,536

 —

 40,914

 —

 40,914

 —

 96,885

 —

 96,885

 Total marketable securities

 —

 209,652

 —

 209,652

 Total assets measured at fair value

 $

 $

 277,956

 $

 —

 $

 405,187

 As of December 31, 2022

 Level 1

 Level 2

 Level 3

 Total

 Assets:

 Cash equivalents:

 Money market funds

 $

 9,770

 $

 —

 $

 —

 $

 9,770

 Total cash equivalents

 9,770

 —

 —

 9,770

 Marketable securities:

 U.S. and foreign commercial paper

 —

 46,121

 —

 46,121

 U.S. and foreign corporate debt securities

 —

 24,807

 —

 24,807

 Supranational debt securities

 —

 12,890

 —

 12,890

 —

 7,759

 —

 7,759

 —

 23,617

 —

 23,617

 Total marketable securities

 —

 —

 Total assets measured at fair value

 $

 9,770

 $

 $

 —

 $

 124,964

 The Company estimates the fair value of its money market funds, corporate debt, commercial paper, U.S. treasury and agency securities, and supranational debt securities by taking into consideration valuations obtained from third-party pricing services. The pricing services utilize industry standard valuation models, including both income and market-based approaches, for which all significant inputs are observable, either directly or indirectly, to estimate fair value. These inputs include reported trades of and broker/dealer quotes on the same or similar securities, issuer credit spreads; benchmark securities; prepayment/default projections based on historical data; and other observable inputs.

 The fair value of the Company's development financing liability is $ 98.9 million. The development financing liability is classified as level 3 under the fair value hierarchy as its valuation is based on a discounted cash flow model that uses unobservable inputs such as the estimated timing of regulatory approval, attainment of certain sales milestones and the discount rate.

 Cash, Cash Equivalents, and Marketable Securities

 The Company considers all highly liquid investments with an original maturity of 90 days or less at the time of purchase to be cash equivalents. Cash and cash equivalents consist of deposits with commercial banks in checking, interest-bearing, money market funds, and marketable debt securities which are subject to minimal credit and market risk.

 The Company invests excess cash in marketable securities with high credit ratings. These securities consist primarily of corporate debt, commercial paper, U.S. treasury, U.S. agency securities and supranational debt securities and are classified as "available-for-sale."

The Company considers marketable securities as current investments if the maturity date is less than or equal to

 one year
 from the balance sheet date. The Company considers marketable securities as non-current investments if the maturity date is in excess of

 one year from the balance sheet date.

 Realized gains and losses from the sale of marketable securities, if any, are calculated using the specific-identification method. Expected losses judged to be related partially or in whole to declines in credit risk-related factors of the security issuer are included in interest expense in the consolidated statements of operations and comprehensive loss at the time the factors contributing to the expected losses are identified. Unrealized holding gains and losses are reported in accumulated other comprehensive loss in the consolidated balance sheets. To date, the Company has not recorded any expected losses on its marketable securities related to credit risk-related declines in market value. In determining whether a decline in market value is related to expected credit losses, various factors are considered, including the cause, duration of time and severity of the expected loss, any adverse changes in the investees' financial condition, and the Company's intent and ability to hold the security for a period of time sufficient to allow for an anticipated recovery in market value. Accrued interest receivable is included as part of Prepaid expenses and other current assets in the consolidated balance sheets.

 Concentration of Risk

 Cash, cash equivalents, and marketable securities consist of financial instruments that potentially subject the Company to a concentration of credit risk to the extent of the fair value recorded on the balance sheet. The Company invests cash that is not required for immediate operating needs primarily in highly liquid instruments that bear minimal risk. The Company has established guidelines relating to the quality, diversification, and maturities of securities to enable the Company to manage its credit risk. The Company is exposed to credit risk in the event of a default by the financial institutions holding its cash, cash equivalents and investments and issuers of investments to the extent recorded on the consolidated balance sheets. The Company maintains deposits in excess of FDIC insured deposit limits with its financial institutions.

 Certain materials and key components that the Company utilizes in its operations are obtained through single suppliers. Since the suppliers of key components and materials must be named in an NDA filed with the FDA for a product, significant delays can occur if the qualification of a new supplier is required. If delivery of material from the Company's suppliers were interrupted for any reason, the Company may be unable to supply any of its product candidates for clinical trials.

 Property and Equipment, Net

 Property and equipment are recorded at cost, less accumulated depreciation and amortization. Depreciation and amortization are calculated using the straight-line method, and the costs are amortized over the estimated useful lives of the respective assets, which are generally three
 to seven years. Leasehold improvements are amortized over the shorter of the useful lives or the non-cancelable
 term of the related lease. Maintenance and repair costs are charged as expense in the consolidated statements of operations and comprehensive loss as incurred.

 Long-Lived Assets

 The Company reviews the carrying value long-lived assets, including right-of-use

 operating lease assets, for impairment whenever events or changes in business circumstances indicate that the carrying amount of the assets may not be fully recoverable. If a change in circumstance occurs, the Company performs a test of recoverability by comparing the carrying value of the asset or asset group to its undiscounted expected future cash flows. If cash flows cannot be separately and independently identified for a single asset, the Company will determine whether impairment has occurred for the group of assets for which the Company can identify the projected cash flows. If the carrying values are in excess of undiscounted expected future cash flows, the Company measures any impairment by comparing the fair value of the asset or asset group to its carrying value. There were no indicators of impairment of long-lived assets for any periods presented.
 Leases

 As of December 31, 2023, the Company had two operating leases pertaining to its corporate office space, including the new subleased office space in Fremont, California, and a
 finance lease pertaining to furniture, fixtures and equipment of the new sublease.

 The Company recognizes a lease asset for its right to use the underlying asset and a lease liability for the corresponding lease obligation. The Company determines whether an arrangement is or contains a lease at contract inception. Operating and finance leases are included in lease right-of-use

 assets, other accrued liabilities, and non-current portion of lease liabilities in the Company's consolidated balance sheets as of December 31, 2023 and 2022. Lease right-of-use

 assets and liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term. In determining the net present value of lease payments, the Company uses its incremental borrowing rate based on the information available at the lease commencement date. The incremental borrowing rate represents the interest rate the Company would incur at lease commencement to borrow an amount equal to the lease payments on a collateralized basis over the term of a lease. The Company considers a lease term to be the noncancelable period that it has the right to use the underlying asset, including any periods where it is reasonably assured the Company will exercise the option to extend the contract.

 At lease inception, the Company analyzes the terms of the contract to determine whether its leases should be classified as an operating lease or a finance lease. The right-of-use

 assets also include any lease payments made plus any initial direct costs and exclude lease incentives. Leases are amortized straight-line as lease expense over the expected lease term (or the end of the asset's useful life if shorter than the lease term). For finance leases, a portion of expense recognized during the lease term is allocated to interest expense, while the remainder is allocated to the related lease liability using the amortized cost method utilizing the discount rate determined at lease commencement. The Company has elected to not separate lease and non-lease
 components for its leased assets and accounts for all lease and non-lease
 components of its agreements as a single lease component. The Company does not record leases on its consolidated balance sheets when a lease has a term of one year or less. Lease liabilities and right-of-use

 assets are classified as current to the extent minimum lease payments are contractually due one year or less from the balance sheet date.
 Refer to Note 8—Leases

 for additional information.
 Research and Development Expenses

 Research and development expenses consist of costs incurred in identifying, developing, and testing product candidates. These expenses consist primarily of costs for research and development personnel, including related stock-based compensation; contract research organizations (CRO) and other third parties that assist in managing, monitoring, and analyzing clinical trials; investigator and site fees; laboratory services; consultants; contract manufacturing services; non-clinical
 studies, including materials; and allocated expenses, such as depreciation of

 assets, and facilities and information technology that support research and development activities. Research and development costs are expensed as incurred. Payments made prior to the receipt of goods or services to be used in research and development are recorded as prepaid assets until the goods are received or services are rendered. Such payments are evaluated for current or non-current classification based on when they will be realized. Additionally, if expectations change such that the Company does not expect goods to be delivered or services to be rendered, and provided such prepayments are nonrefundable, they are charged to expense.

 The Company records expenses related to clinical studies and manufacturing development activities based on its estimates of the services received and efforts expended pursuant to contracts with multiple CROs and manufacturing vendors that conduct and manage these activities on its behalf. The financial terms of these agreements are subject to negotiation, vary from contract to contract, and may result in uneven payment flows. There may be instances in which payments made to the Company's vendors will exceed the level of services provided and result in a prepayment. Payments under some of these contracts depend on factors such as the successful enrollment of subjects and the completion of clinical trial milestones. In amortizing and accruing service fees, the Company estimates the time period over which services will be performed, enrollment of subjects, number of sites activated and the level of effort to be expended in each period. If the actual timing of the performance of services or the level of effort varies from the Company's estimate, the Company will adjust the accrued or prepaid expense balance accordingly. To date, there have been no material differences from the Company's estimates to the amounts actually incurred.

 Development Financing Agreement

 The Company accounts for the Development Financing Agreement (the Financing Agreement) (See Note 7—Development Financing Agreement

) with Abingworth as a debt instrument. Accordingly, the Company has recorded payments received under the Financing Agreement as part of a development financing liability in the Company's consolidated balance sheet. The liability is recorded at amortized cost and accreted to the contractual success fee amounts based on the estimated timing of regulatory approval and attainment of certain sales milestones using an imputed interest rate. Certain transaction fees incurred specifically to complete the Financing Agreement were capitalized and recorded as a reduction to the carrying amount of the development financing liability and are being amortized to interest expense using the effective interest rate method.
 There are several factors that could affect the estimated timing of regulatory approval and attainment of sales milestones, some of which are not entirely within the Company's control. Therefore, at each reporting date, the Company reassesses the estimated timing of regulatory approval and attainment of sales milestones, and the expected contractual success fee payments due therefrom. If the timing and/or amount of such expected payments is materially different than original estimates, the Company will prospectively adjust the accretion of the development financing liability and the imputed interest rate.

 The Company identified certain contingent repayment features in the Financing Agreement that are required to be bifurcated from the debt host instrument as embedded derivative liabilities; however, the Company determined the fair value of these features, both individually and in the aggregate, was immaterial at inception and as of December 31, 2023. The fair value of these features will be assessed at each reporting date and will be marked to market, if material. To determine the amount to record for the embedded derivative liabilities, the Company must assess the probability of occurrence of various potential future events that could affect the timing and/or amount of future cash flows related to
 the Financing Agreement.

 Stock-Based Compensation

 Stock-based compensation is measured at fair value on the grant date of the award. Compensation cost is recognized as expense on a straight-line basis over the vesting period for options with service conditions and forfeitures are accounted for as they occur. The Company uses the Black-Scholes option-pricing model to determine the fair value of stock option awards. The determination of fair value for stock-based awards using an

 option-pricing model requires management to make certain assumptions regarding subjective input variables such as expected term, dividends, volatility and risk-free rate. If actual results are not consistent with the Company's assumptions used in making these estimates, the Company may be required to increase or decrease compensation expense, which could be material to the Company's results of operations.

 Income Taxes

 The Company utilizes the liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are determined based on differences between the financial reporting and the tax bases of assets and liabilities and are measured using enacted tax rates and laws that will be in effect when the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. A valuation allowance is recorded when it is more likely than not that all or part of a deferred tax asset will not be realized. When the Company establishes or reduces the valuation allowance related to the deferred tax assets, the provision for income taxes will increase or decrease, respectively, in the period such determination is made.

 The accounting guidance for uncertainty in income taxes prescribes a recognition threshold and measurement attribute criteria for the financial recognition and measurement of tax positions taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more likely than not to be sustained upon examination based on the technical merits of the position.

 The Company is required to file federal and state income tax returns in the United States. The preparation of these income tax returns requires the Company to interpret the applicable tax laws and regulations in effect that could affect the amount of tax paid to these jurisdictions.

 The Company records interest related to income tax reserves, if any, as interest expense, and any penalties would be recorded as other expense in the consolidated statements of operations and comprehensive loss.

 Comprehensive Loss

 Comprehensive loss includes net loss and net unrealized gains and losses on marketable securities, which are presented in a single continuous statement. Other comprehensive (loss) gain is also disclosed in the consolidated balance sheets and statements of stockholders' equity in accumulated other comprehensive income (loss), and is stated net of related tax effects, if any.

 Net Loss Per Common Share

 Basic net loss per share of common stock is based on the weighted average number of shares of common stock and common stock equivalents outstanding during the period. The weighted-average common shares outstanding for the years ended December 31, 2023, 2022, and 2021 include pre-funded
 warrants to purchase common stock, as discussed in Note

 10—Stockholders' Equity

. Diluted net loss per share of common stock is calculated as the weighted average number of shares of common stock outstanding adjusted to include the assumed exercises of stock options, if dilutive. In all periods presented, the Company's outstanding stock options and incentive awards were
 excluded from the calculation of net loss per share because the effect would be antidilutive.

 The following table sets forth the computation of basic and diluted net loss per share (in thousands, except share and per share amounts):

 2023

 2022

 2021

 Numerator:

 $

)

 $

)

 $

)

 Denominator:

 Weighted average number of:

 Common stock shares outstanding

 101,479,061

 84,679,063

 70,712,865

 Pre-funded
 warrants outstanding

 4,725,212

 3,125,000

 342,466

 Total

 106,204,273

 87,804,063

 71,055,331

 Net loss per share

 $

 ( 0.99

)

 $

 ( 1.21

)

 $

 ( 1.27

)

 The following table shows the total outstanding securities considered anti-dilutive and therefore excluded from the computation of diluted net loss per share:

 2023

 2022

 2021

 Common stock options

 13,930,195

 10,791,431

 Incentive awards

 —

 101,182

 101,182

 Total

 14,031,377

 10,892,613

 Recently Issued Accounting Pronouncements

 ASU 2016-13

 In June 2016, the FASB issued ASU No. 2016-13,
 Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments

, an amendment which modifies the measurement and recognition of credit losses for most financial assets and certain other instruments. The amendment updates the guidance for measuring and recording credit losses on financial assets measured at amortized cost by replacing the "incurred loss" model with an "expected loss" model. Accordingly, these financial assets will be presented at the net amount expected to be collected. The amendment also requires that credit losses related to available-for-sale

 debt securities be recorded as an allowance through net income rather than reducing the carrying amount under the current, other-than-temporary-impairment model. In November 2019, FASB issued ASU No. 2019-10,
 Financial Instruments—Credit Losses (Topic 326), Derivatives and Hedging (Topic 815) and Leases (Topic 842)

, which deferred the adoption deadline for smaller reporting companies to fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. Early adoption is permitted, and entities are required to use a modified retrospective approach, with certain exceptions. The Company adopted this ASU on January 1, 2023 and it did not have a material impact to its consolidated financial statements and related disclosures.

 3. Cash Equivalents and Marketable Securities

 Cash equivalents and marketable available-for-sale

 securities consist of the following (in thousands):

 Amortized

 Cost

 Gross

 Unrealized

 Gains

 Gross

 Unrealized

 Losses

 Estimated

 Fair Value

 As of December 31, 2023:

 Cash equivalents:

 Money market funds

 $

 $

 —

 $

 —

 $

 15,179

 —

 15,181

 U.S and foreign commercial paper

 19,924

 —

 ( 8

)

 19,916

 33,219

 —

 ( 12

)

 33,207

 Total cash equivalents

 195,553

 ( 20

)

 195,535

 Current marketable securities:

 U.S. and foreign commercial paper

 66,354

 ( 40

)

 66,317

 U.S. and foreign corporate debt securities

 5,538

 —

 ( 2

)

 5,536

 30,595

 ( 12

)

 30,606

 85,210

 ( 3

)

 85,261

 Total current marketable securities

 187,697

 ( 57

)

 187,720

 Non-current
 marketable securities:

 10,241

 —

 10,308

 11,552

 —

 11,624

 Total non-current
 marketable securities

 21,793

 —

 21,932

 Total marketable securities

 $

 405,043

 $

 $

 ( 77

)

 $

 405,187

 As of December 31, 2022:

 Cash equivalents:

 Money market funds

 $

 9,770

 $

 —

 $

 —

 $

 9,770

 Total cash equivalents

 9,770

 —

 —

 9,770

 Current marketable securities:

 U.S. and foreign commercial paper

 46,121

 —

 —

 46,121

 U.S. and foreign corporate debt securities

 24,964

 —

 ( 157

)

 24,807

 Supranational debt securities

 12,946

 —

 ( 56

)

 12,890

 7,782

 ( 39

)

 7,759

 23,707

 ( 92

)

 23,617

 Total current marketable securities

 115,520

 ( 344

)

 Total marketable securities

 $

 125,290

 $

 $

 ( 344

)

 $

 124,964

 The Company's commercial paper and corporate debt securities consist of U.S. and foreign securities from issuers in various sectors, including finance and industry and have similar credit quality and risk characteristics. The Company's government securities are issued by the U.S. treasury and certain U.S. government-backed agencies. Supranational debt securities consist of securities issued with funding from various national governments.

 There were no realized gains and losses for the years ended December 31, 2023, 2022
, and 2021. None of our investments have been in a continuous unrealized loss position for more than 12 months as of December 31, 2023 and 2022. The Company may sell some
 of its marketable securities prior to their stated maturities for reasons including, but not limited to, managing liquidity, credit risk, duration and asset allocation.

 The following table shows the fair value of the Company's marketable securities, by contractual maturity, as of December 31, 2023 (in thousands):

 Due less than 1 year

 $

 187,720

 Due between 1 and 2 years

 21,932

 Total fair value

 $

 209,652

 As of December 31, 2023, we had $ 0.4 million of restricted cash to collateralize letters of credit related to certain lease commitments. This balance is included in Other assets and was classified as non-current
 on the consolidated balance sheet as of December 31, 2023.

 A reconciliation of cash, cash equivalents and restricted cash reported in the accompanying consolidated balance sheets to the amount reported within the accompanying consolidated statements of cash flows is as follows (in thousands):

 2023

 2022

 Cash and cash equivalents

 $

 206,535

 $

 Restricted cash (included in Other assets)

 —

 Total cash, cash equivalents, and restricted cash

 $

 206,963

 $

 4. Certain Balance Sheet Items

 Property and equipment, net are recorded at cost and consist of the following (in thousands):

 2023

 2022

 Leasehold improvements

 $

 2,429

 $

 2,429

 Office and computer equipment

 Purchased software

 Furniture and fixtures

 Total

 3,895

 3,450

 Less: Accumulated depreciation and amortization

 ( 3,430

)

 ( 2,749

)

 Property and equipment, net

 $

 $

 Depreciation and amortization expense for the years ended December 31, 2023, 2022 and 2021 was approximately $ 0.7 million, $ 0.6 million and $ 0.7 million, respectively, and was recorded straight-line in both research and development expense and general and administrative expense in the consolidated statements of operations and comprehensive loss. All of the Company's property and equipment is located in the U.S.

 Other accrued liabilities consist of the following (in thousands):

 2023

 2022

 Accrued compensation

 $

 8,980

 $

 5,779

 Accrued professional fees and other

 6,706

 1,372

 Current portion of operating lease liabilities

 Total other accrued liabilities

 $

 15,693

 $

 7,815

 5. Collaboration and License Agreement

 On January 6, 2023, the Company entered into a Collaboration and License Agreement (the License Agreement) with Kaken Pharmaceuticals Co., Ltd (Kaken). The Company granted Kaken an exclusive license to develop and commercialize seladelpar (the Licensed Product) for the treatment of primary biliary cholangitis (PBC) in Japan.

 Pursuant to the terms of the License Agreement, Kaken will bear the cost of, and be responsible for, among other things, conducting the clinical studies and other developmental activities for the Licensed Product in PBC in Japan as well as preparing and filing applications for regulatory approval and commercializing the Licensed Product in Japan. Kaken is obligated to use commercially reasonable efforts to develop, obtain regulatory approval for, and commercialize, the Licensed Product in Japan, including obtaining pricing approval for the Licensed Product in Japan.

 The License Agreement also obligates the Company to transfer the licensed technology and know-how
 to Kaken (which was completed during the three months ended June 30, 2023). Such initial technology transfer comprises existing data and information related to the Company's clinical trials, nonclinical studies, and other pre-clinical
 studies, as well as certain chemistry manufacturing and controls (CMC) data and information. The Company is further obligated to deliver to Kaken data and information from its ongoing clinical trials, CMC data, and other information that is reasonably necessary for Kaken to develop and seek regulatory approval of seladelpar for the treatment of PBC in Japan.

 The Company agreed to supply to Kaken its requirements of Licensed Product for clinical and commercial use, which may be terminated upon specified circumstances, and with appropriate technology transfer. The supply of the Licensed Products to Kaken for clinical use will be provided based on the Clinical Manufacturing and Supply Agreement (the Clinical Supply Agreement) which was entered into in October 2023. Per the Clinical Supply Agreement, the Company will supply clinical materials to Kaken as specified in separate written purchase orders, to be used for Kaken's development of the Licensed Product in accordance with the License Agreement. The Company concluded that the Clinical Supply Agreement combined with each purchase order represents a contract with a customer under the scope of ASC 606. The Company identified key performance obligations that primarily include the supply of clinical materials and CMC activities and other assistance. The Company will recognize the amounts allocated to the supply of clinical materials upon delivery of the materials and will recognize any CMC activities and other assistance as revenue over time as these activities are conducted.

 The Company is also responsible for the completion of global CMC development activities to enable future commercial supply of the Licensed Product to Kaken. The Company may also be requested by Kaken to conduct CMC activities specific to commercialization in Japan and to provide other assistance.

 Pursuant to the License Agreement, the Company and Kaken also agreed to establish a joint steering committee to provide strategic oversight of both parties' activities under the License Agreement.

 The License Agreement may be terminated early by either party for material breach, upon a party's insolvency or bankruptcy or upon a challenge by one party of any patents of the other party, and Kaken may terminate in specified situations, including for a safety concern, clinical failure, or termination of an underlying in-license to the
 Company. Kaken may also terminate the License Agreement at its convenience with specified prior notice.

 In consideration of the license and other rights granted by the Company, Kaken made an upfront cash payment to the Company of 4.5 billion in January 2023 (or $ 34.2 million, comprised of $ 33.7 million of contract consideration and a $ 0.5 million foreign exchange gain recorded in the three months ended March 31, 2023) and is obligated to pay potential milestone payments to the Company totaling up to 17.0 billion (approximately $ 128.0 million at contract inception date) upon the achievement of certain regulatory and sales milestones.

 The Company concluded that Kaken is a customer and that the arrangement represents a contract with a customer under the scope of ASC 606. The Company identified the following key promised goods and services that represent performance obligations under the arrangement:

 (1)

 the exclusive license to develop and commercialize seladelpar in Japan, including the initial transfer of the underlying technology and know-how,

 (2)

 delivery of data gathered through the execution of the Company's ongoing development activities for PBC to support Kaken's regulatory filings in Japan which will occur at specific points in time when such information is available, and

 (3)

 completing the Company's global CMC development activities and the reporting of such activities for the manufacture and supply of the Licensed Product to Kaken.

 To determine the standalone selling price of each performance obligation above, estimation approaches involving significant estimates and assumptions were used that include but are not limited to, expected market opportunity and pricing, future clinical trial and CMC development costs, timelines, and likelihood of success of clinical and regulatory activities. To determine the standalone selling price of the license, the Company used a discounted cash flow analysis of projected cash flows and potential revenues from the commercial sale of seladelpar in Japan. To determine the standalone selling prices of the Company's obligation to deliver data from ongoing development activities and its obligation to complete global CMC development activities, the expected cost plus margin approach was used.

 The Company recognized $
 31.1 million of collaboration revenue for the year ended December 31, 2023 related to the $
 33.7 million upfront fee. $
 31.0 million of the collaboration revenue recognized during the year ended December 31, 2023 relates to the completion of the initial technology transfer associated with the license to develop and commercialize seladelpar in Japan. The remaining $
 2.7 million portion of the upfront fee is deferred and will be recognized on completion of the Company's ongoing clinical data delivery and CMC development performance obligations. This deferred collaboration revenue is expected to be recognized as the remaining performance obligations are satisfied at different points in time in the future. Of the $
 2.7 million balance of deferred collaboration revenue, $
 1.1 million is classified as
 non-current
 on the Company's consolidated balance sheet, as this portion of the deferred collaboration revenue balance is expected to be recognized beyond twelve months from the balance sheet date. All future potential milestone amounts were not included in the transaction price, as they were all determined to be fully constrained as they are contingent on the achievement of development activities, regulatory approvals and sales-based milestones as defined in the License Agreement. Additionally, the
 Company expects that any consideration related to sales-based milestones will be recognized if/when the subsequent sales occur.

 6. In-License
 Agreement

 Janssen Pharmaceutica NV

 In June 2006, the Company entered into an exclusive worldwide, royalty-bearing license to seladelpar and certain other PPAR d
 compounds (the PPAR d
 Products) with Janssen Pharmaceutica NV (Janssen NV), with the right to grant sublicenses to third parties to make, use and sell such PPAR d
 Products. Under the terms of the agreement, the Company has full control and responsibility over the research, development and registration of any PPAR d
 Products and is required to use diligent efforts to conduct all such activities. Janssen NV has the sole responsibility for the preparation, filing, prosecution, maintenance of, and defense of the patents with respect to, the PPAR d
 Products. Under the terms of the agreement Janssen NV is entitled to receive up to an 8.0 % royalty on net sales of PPAR d
 Products. No amounts were incurred or accrued for this agreement as of and for the years ended December 31, 2023, 2022, and 2021.

 7. Development Financing Agreement

 On July 30, 2021 (the Effective Date), the Company entered into a Development Financing Agreement (the Financing Agreement) with Abingworth to provide funding to the Company to support its development of

 seladelpar for the treatment of primary biliary cholangitis (PBC). The Financing Agreement provided the Company up to $ 75.0 million in base funding, of which $ 25.0 million was provided in August 2021, $ 25.0 million was provided in November 2021, and $ 25.0 million was provided in January 2022.

 The use of proceeds from the funding is limited to PBC "Development Program" costs incurred or paid as defined in the Financing Agreement. In return, the Company will pay to Abingworth:

 (1) contingent upon the first to occur of regulatory approval of seladelpar for the treatment of PBC in the U.S., U.K., Germany, Spain, Italy or France (Regulatory Approval), fixed success payments equal to 2.0 x of the funding provided, consisting of $ 10 million payable in 90 days after the Regulatory Approval and thereafter, payments due on the first six anniversaries of the Regulatory Approval in the amounts of $ 15.0 million, $ 22.5 million, $ 22.5 million, $ 25.0 million, $ 27.5 million and $ 27.5 million, respectively and

 (2) variable success payments equal to 1.1 x of the funding provided, consisting of sales milestone payments of (x) $ 17.5 million and $ 27.5 million, respectively upon first reaching certain cumulative U.S. product sales thresholds, and (y) $ 37.5 million upon first reaching a specified U.S. product sales run rate.

 Promptly following receipt of Regulatory Approval, the Company is required to execute a note agreement and deliver a promissory note to Abingworth within two business days to convert the fixed and variable success payments into a note payable. At the time that Abingworth receives, collectively, an aggregate of 3.1 x of the funding provided (approximately $ 232.5 million), the Company's payment obligations under the Financing Agreement will be fully satisfied. The Company has the option to satisfy its payment obligations to Abingworth upon Regulatory Approval, or a change of control of the Company, by paying an amount equal to the remaining payments payable to Abingworth subject to a mid-single-digit
 discount rate. Upon a change of control of the Company, an acceleration payment of 1.35 x of the funding provided is payable, net of payments already made to Abingworth and creditable against future payments to Abingworth.
 Pursuant to the Financing Agreement, the Company granted Abingworth a security interest in all its assets (other than intellectual property not related to seladelpar), provided that the Company is permitted to incur certain indebtedness. The security interest will terminate when the Company has paid Abingworth
 2.0 x of the funding provided or upon termination of the Financing Agreement.

 The Financing Agreement provides for negative, affirmative and additional covenants, which the Company must comply with for the duration of the Financing Agreement term. As of December 31, 2023, the Company was in compliance with all covenants stipulated in the Financing Agreement.

 In certain instances, upon the termination of the Financing Agreement, the Company will be obligated to pay Abingworth a multiple of the amounts paid to the Company under the Financing Agreement, including specifically:

 (i) 310 % of such amounts in the event that Abingworth terminates the Financing Agreement due to (x) a Fundamental Breach, as defined in the Financing Agreement, (y) the bankruptcy of the Company, or (z) a safety concern resulting from gross negligence on the part of the Company or due to a safety concern that was material on the Effective Date and the material data showing such safety concern was not publicly known, disclosed to Abingworth, or in the diligence room made available to Abingworth,

 (ii) 200 % of such amounts in the event the Financing Agreement is terminated due to (x) Material Breach, as defined in the Financing Agreement, by the Company or (y) the security interests of Abingworth being invalidated or terminated other than as set forth in the Financing Agreement, and

 (iii) 100 % of such amounts in the event of certain irresolvable disagreements within the executive review committee overseeing the Company's development of seladelpar.

 In addition, if, following certain terminations, the Company continues to develop seladelpar for the treatment of PBC and obtains regulatory approval, it will make the payments to Abingworth as if the Financing Agreement had not been terminated, less any payments made upon termination.

 The Company shall not be obligated to make any payments to Abingworth under certain instances of technical or regulatory failure of the PBC development program as defined in the Financing Agreement.

 As part of the arrangement, an executive review committee was established between the Company and Abingworth to discuss the Company's development of seladelpar.

 The Company evaluated the Financing Agreement and determined it to be a research and development funding arrangement with the characteristics of a debt instrument as the transfer of financial risk to Abingworth was not considered substantive and genuine. Accordingly, the Company has recorded payments received under the Financing Agreement as part of a development financing liability in its consolidated balance sheets. The Company accounts for the overall development financing liability at amortized cost based on the estimated timing of regulatory approval and attainment of certain sales milestones and the contractual success fee payments expected to be due therefrom, as discounted using an imputed interest rate. The development financing liability is being accreted as interest expense to its expected future repayment amount over the expected life of the agreement using the effective interest rate method. Certain legal and financial advisory fees incurred specifically to complete the Financing Agreement were capitalized and recorded as a reduction to the carrying amount of the development financing liability and are also being amortized to interest expense using the effective interest method.

 There are several factors that could affect the estimated timing of regulatory approval and attainment of sales milestones, some of which are not entirely within the Company's control. Therefore, the Company periodically reassesses the estimated timing of regulatory approval and attainment of sales milestones, and the expected contractual success fee payments due therefrom. If the timing and/or amount of such expected payments is materially different than original estimates, the Company will prospectively adjust the accretion of the development financing liability and the imputed interest rate.

 The Company identified certain contingent repayment features in the agreement that are required to be bifurcated from the debt host instrument as embedded derivative liabilities; however, the fair value of these features was immaterial at the Effective Date and as of December 31, 2023, 2022, and 2021. The fair value of the embedded derivative liabilities will be assessed at subsequent reporting dates if material.

 The following table sets forth a summary of the changes in the carrying value of the Company's development financing liability (in thousands):

 Balance at December 31, 2020

 $

 —

 Cash received

 50,000

 Debt discount

 ( 2,263

)

 Accretion of development financing liability

 2,583

 Balance at December 31, 2021

 $

 50,320

 Cash received

 25,000

 Accretion of development financing liability

 14,907

 Balance at December 31, 2022

 $

 90,227

 Accretion of development financing liability

 18,945

 Balance at December 31, 2023

 $

 109,172

 As of December 31, 2023, $ 10.0 million of the development financing liability was classified as a current liability based on the Company's expectation of achieving the regulatory approval milestone within twelve

 months. The remaining balance of $ 99.2 million is classified as a non-current
 liability as the Company expects the related repayments to take place between 2025 and 2030 for purposes of the model used to calculate its carrying value. The imputed interest rate on the unamortized portion of the development financing liability was approximately 19.2 % as of December 31, 2023.

 8. Leases

 The Company had one non-cancelable operating lease agreement for its corporate office in Newark, California, pertaining to

 17,698 square feet of corporate office space, that commenced
 January 16, 2014, was amended on April 16, 2018, and was extended to March 15, 2024 in February 2024. The Company also signed a non-cancellable sublease agreement with a new lessor on December 1, 2023 for its new corporate office, which is located in Fremont, California. This sublease encompasses a total of
 52,416 square feet of building space. The sublease has a rent abatement period for the first 13 full months from the date the premises were made available to the Company, which began in December 2023. In addition to fixed monthly rent payments, the Company must also pay variable operating expenses, which consist of (i) Parcel Operating Expenses, (ii) Parking Operating Expenses and (iii) Campus Operating Expenses (all as defined in the Sublease). The sublease also includes furniture, fixtures, and equipment ("FF&E") transferred to the Company in December 2023. In assessing the lease classification of the Fremont sublease, the office component (building and land) met the criteria for classification as an operating lease and the FF&E component of the sublease met the criteria for classification as a finance lease. As of December 31, 2023, the Company's operating and finance lease portfolio each had a weighted average remaining term of
 8.4 years. As of December 31, 2022, the Company's operating lease portfolio had a weighted average remaining term of
 1.1 years.

 The Company cannot determine the implicit rate in its leases
, and therefore the Company uses its incremental borrowing rate of 12.6 %
 for the Newark, California lease and 10.7 % for the new sublease in Fremont, California as the

 discount

 rate
 when measuring operating lease liabilities. The incremental borrowing rate represents an estimate of the interest rate the Company would incur at lease commencement to borrow an amount equal to the lease payments on a collateralized basis over the term of a lease within a particular currency environment. The Company used an incremental borrowing rate as of the lease commencement date.

 For the years ended December 31, 2023, 2022, and 2021, the Company incurred $ 0.7 million, $ 0.7 million and $ 0.6 million, respectively, of lease costs included in operating expenses in the consolidated statements of operations and comprehensive loss in relation to its operating lease, a portion of which was variable rent expense and not included within the measurement of the Company's operating ROU assets and lease liabilities. The variable rent expense consists primarily of the Company's proportionate share of operating expenses, property taxes, and insurance and is classified as lease expense due to the Company's election to not separate lease and non-lease
 components. Short-term lease costs were not material.
 The balance sheet classification of our operating lease assets and liabilities were as follows (in thousands):

 Operating leases

 Finance lease

 Total leases

 Assets:

 Right-of-use

 assets

 $

 4,802

 $

 $

 5,260

 Liabilities:

 Current portion included in other accrued liabilities

 —

 Non-current portion
 of lease
 liabilities

 4,848

 5,315

 Total lease liabilities

 $

 4,855

 $

 $

 5,322

 As of December 31, 2023, the maturities of the Company's operating and finance lease liabilities were as follows (in thousands):

 Operating leases

 Finance lease

 Total leases

 Lease commitments:

 Year ending December 31,

 2024

 $

 $

 —

 $

 2025

 2026

 2027

 2028

 1,054

 Thereafter

 5,085

 5,576

 Total undiscounted future minimum lease payments

 8,364

 9,169

 Less imputed interest

 ( 3,509

)

 ( 338

)

 ( 3,847

)

 Total lease liabilities

 4,855

 5,322

 Less: current portion of lease liabilities

 ( 7

)

 —

 ( 7

)

 Non-current portion
 of lease liabilities

 $

 4,848

 $

 $

 5,315

 9. Commitments and Contingencies

 Indemnification

 In the normal course of business, the Company enters into contracts and agreements that contain a variety of representations and warranties and provide for general indemnification, including indemnification associated with product liability or infringement of intellectual property rights. The Company's exposure under these agreements is unknown because it involves future claims that may be made against the Company that may be, but have not yet been, made. To date, the Company has not paid any claims or been required to defend any action related to these indemnification obligations, and no amounts have been accrued in the accompanying consolidated balance sheets related to these indemnification obligations.

 The Company has agreed to indemnify

 its officers and directors for losses and costs incurred in connection with certain events or occurrences, including advancing money to cover certain costs, subject to certain limitations. The maximum potential amount of future payments the Company could be required to make under this indemnification is unlimited; however, the Company maintains insurance policies that may limit its exposure and may enable it to recover a portion of any future amounts paid. Assuming the applicability of coverage, the willingness of the insurer to assume coverage, and subject to certain retention, loss limits, and other policy provisions, the Company believes the fair value of these indemnification obligations is not material. Accordingly, the Company has
 no t recognized any liabilities relating to these obligations as of December 31, 2023 and 2022. No assurances can be given that the covering insurers will not attempt to dispute the validity, applicability, or amount of coverage without
expensive litigation against these insurers, in which case the Company may incur substantial liabilities as a result of these indemnification
 obligations.

 Legal Proceedings

 From time to time, we may become involved in legal proceedings relating to claims arising from the ordinary course of business. Our management believes that there are currently no claims or actions pending against us, the ultimate disposition of which could reasonably be expected to have a material adverse effect on our results of operations, financial condition or cash flows. Apart from such incidental matters,

 the following demand letters and draft complaints relating to the Transactions have

 been submitted to the Company.

 Between February 26 and 27, 2024, the Company received three demand letters from purported holders of Shares, one of which enclosed a draft complaint. The Company also separately received a draft complaint from a purported holder of Shares that was unaccompanied by a demand letter. Each demand letter alleges disclosure deficiencies in the Schedule 14D-9 and demands an issuance of corrective disclosures. Both of the draft complaints identify as prospective defendants the Company and members of the Company Board. The draft complaints allege that the defendants caused to be filed with the SEC a materially incomplete and misleading Schedule 14D-9 in violation of Sections 14(d)(4), 14(e) and 20(a) of the Exchange Act and Rule 14D 9 promulgated thereunder. Among other remedies, the draft complaints threaten to seek an order enjoining the defendants from proceeding with or consummating the Offer, unless and until the defendants disclose certain allegedly material information that was allegedly omitted from the Schedule 14D-9; granting rescissory damages; awarding the plaintiff costs and disbursements of its action, including reasonable attorneys' and expert fees and expenses; and granting such other and further relief as the court may deem just and proper. The Company believes that the allegations contained in the demand letters and draft complaints are without merit.
 On February 26, 2024, the Company received a demand letter from a purported holder of Shares that requests access to certain books and records of the Company to investigate purported breaches of fiduciary duty, director independence and disinterestedness, corporate wrongdoing and/or inadequate disclosures in connection with the Transactions and related to the transaction documents. The Company is preparing a response.
 10. Stockholders' Equity

 Preferred and Common Stock Authorized

 The Company is authorized to issue 10,000,000 shares of preferred stock as of December 31, 2023 and 2022, and 200,000,000 shares of common stock as of December 31, 2023 and 2022.

 Common Stock Reserved for Future Issuance

 As of December 31, 2023 and 2022, the Company had reserved shares of common stock for future issuances as follows:

 2023

 2022

 Pre-funded
 warrants to purchase common stock

 5,226,628

 3,125,000

 Equity award plans:

 Options and incentive awards outstanding, all equity plans

 14,031,377

 Equity awards available for future grant - 2023 Plan

 8,637,460

 —

 Equity awards available for future grant - 2013 Plan

 —

 2,680,621

 Equity awards available for future grant - 2020 Plan

 552,500

 —

 Total shares of common stock reserved for future issuance

 30,956,493

 19,836,998

 Sale of Common Stock and Pre-funded
 Warrants

 On September 11, 2023, pursuant to a shelf registration statement on Form S-3,
 the Company issued a total of 14,521,307 shares of its common stock at $ 17.13 per share and a pre-funded
 warrant to purchase up to an aggregate of 583,771 shares of common stock at a purchase price of $ 17.1299 per share in an underwriting public offering (September 2023 public offering). The pre-funded
 warrant has an exercise price of $ 0.0001 per share,

 was fully exercisable upon issuance and has no expiration date. The aggregate net proceeds to the Company from this offering was approximately $

 242.8 million, after deducting underwriting discounts and commissions and other offering expenses.
 The pre-funded
 warrant was determined to be equity-classified; accordingly, proceeds received from its issuance were recorded as a component of stockholders' equity within additional paid-in
 capital. The Company determined that the pre-funded
 warrant should be equity classified because it is a freestanding financial instrument, is immediately exercisable, does not embody an obligation for the Company to repurchase its shares, permits the holders to receive a fixed number of shares of common stock upon exercise, is indexed to the Company's common stock and meets the equity classification criteria. The September 2023 pre-funded
 warrant was not exercised and therefore remains outstanding as of December 31, 2023.
 On January 23, 2023, pursuant to a shelf registration statement on Form S-3,
 the Company issued a total of 11,821,428 shares of its common stock at $ 7.00 per share in an underwritten public offering (January 2023 public offering). Concurrently, the Company sold a pre-funded
 warrant to purchase up to an aggregate of 2,142,857 shares of common stock at a purchase price of $ 6.9999 per share. The pre-funded
 warrant has an exercise price of $ 0.0001 per share, was fully exercisable upon issuance, and has no expiration date. The aggregate net proceeds to the Company from this offering was $ 92.4 million, after deducting underwriting discounts and commissions and other offering expenses.

 The pre-funded
 warrant was determined to be equity classified; accordingly, proceeds received from its issuance were recorded as a component of stockholders' equity within additional paid-in
 capital. The January 2023 pre-funded
 warrant was not exercised and therefore remains outstanding as of December 31, 2023.
 Pursuant to the Company's public equity offering completed in November 2021, the Company issued pre-funded
 warrants to purchase 3,125,000 shares of common stock at a price of $ 3.9999 per share (November
2021 public offering). These pre-funded
 warrants have an exercise price of $ 0.0001 per share, were fully exercisable upon issuance, and have no expiration date. The pre-funded
 warrants were determined to be equity classified; accordingly, proceeds received from their issuance were recorded as a component of stockholders' equity within additional paid-in
 capital. In February 2023, pre-funded
 warrants to purchase 625,000 shares of common stock from the November 2021
equity financing were net exercised, resulting in 624,992 shares of common stock being issued to the holders of the pre-funded
 warrants.
 In total,
 pre-funded
 warrants from the above November 2021, January 2023, and September 2023 public offerings to purchase up to an aggregate of
 5,226,628 shares of common stock remain outstanding as of December 31, 2023.

 At-the-Market (ATM) Facility

 In March 2023, we filed a registration statement on Form S-3 with the SEC and entered into an at-the-market facility (ATM) to sell up to $ 100.0 million of common stock under the registration statement pursuant to the Controlled Equity Offering SM
 Sales Agreement with Cantor Fitzgerald & Co., dated July 2, 2020. To date, we have not sold any shares of common stock under the ATM.

 11. Stock Plans and Stock-Based Compensation

 Stock Plans

 2023 Equity Incentive Plan

 In June 2023, the Company's stockholders approved the Company's 2023 Equity Incentive Plan (the 2023 Plan), pursuant to which the Company may grant incentive stock options, nonstatutory stock options, stock appreciation rights, restricted stock awards, restricted stock unit awards, performance stock awards, and other

 stock awards to its directors, employees and consultants (each, a Participant), with certain limitations. The 2023 Plan is the successor to and continuation of the Company's 2013 Equity Incentive Plan and returning and remaining shares under the 2013 Plan will become available for issuance pursuant to awards granted under the 2023 Plan.

 The 2023 Plan permits the Company to grant options and stock appreciation rights at an exercise price not less than 100 % of the Fair Market Value (as defined in the 2023 Plan) on the grant date of the underlying award. With certain exceptions, (i) no option or stock appreciation right may be exercised after the expiration of ten years from the grant date of such award and (ii) the vesting of options and stock appreciation rights will cease upon termination of the Participant's Continuous Service (as defined in the 2023 Plan).

 Restricted stock awards and restricted stock unit awards will be subject to terms and conditions as determined by the Company's Board. Except as otherwise provided pursuant to agreement or by the determination of the Board, the vesting of restricted stock awards and restricted stock unit awards will cease upon termination of the Participant's Continuous Service. A restricted stock unit award may be settled by the issuance of shares of common stock or cash (or any combination thereof) or in any form of payment as determined by the Board and specified in the restricted stock unit award agreement.

 The Board will determine factors related to the achievement of performance and other terms and conditions when granting performance awards pursuant to the 2023 Plan.

 The aggregate number of shares of common stock that may be issued under the 2023 Plan will not exceed 25,883,628 shares; provided, that, the aggregate maximum number of shares of common stock that may be issued pursuant to the exercise of incentive stock options is 9,500,000 shares. The share reserve under the 2023 Plan may be increased upon approval by the Company's stockholders.

 2020 New Hire Plan

 In October

 2020, the Company's board of directors approved the 2020 New Hire Plan, as amended in July 2023 (the 2020 New Hire Plan), under which shares of common stock are reserved for the granting of nonqualified stock options, stock appreciation rights, restricted stock awards, restricted stock unit awards, performance stock awards, performance cash awards and other stock awards by the Company as an inducement to prospective new hire employees of the Company. The 2020 New Hire Plan has a term of ten years. The 2020 New Hire Plan permits the Company to (i) grant nonqualified options to new hire employees at not less than 85 % of fair value; (ii) award stock bonuses; and (iii) grant rights to acquire restricted stock at not less than 85% of fair value. Options generally vest over a four-year period and have a term of ten years. The share reserve under the 2020 New Hire Plan may be increased at the discretion of and approval by the board of directors.

 Stock Plan Summary

 As of December 31, 2023, there were 8,637,460
 and 552,500
 common stock shares available for future grants under the 2023 Plan and the 2020 New Hire Plan, respectively. During the years
 ended December 31, 2023 and 2022, the Company granted to its employees and directors stock options to purchase 5,685,135 and 3,692,868 shares of common stock, respectively from all
 plans.

 In September 2013, the Company's stockholders approved the 2013 Equity Incentive Plan (the 2013 Plan), under which shares of common stock are reserved for the granting of incentive stock options, nonqualified stock options, stock appreciation rights, restricted stock awards, restricted stock unit awards, performance stock awards, performance cash awards and other stock awards by the Company. These awards may be granted to employees, members of the Board of Directors, and consultants. The 2013 Plan has a term of ten years and replaced the 2003 Equity Incentive Plan, which had similar terms. The 2013 Plan permits the Company to (i) grant incentive stock options to directors and employees at not less than
 % of the fair value of common

 stock on the date of grant; (ii) grant nonqualified options to employees, directors, and consultants at not less than

 85 % of fair value; (iii) award stock bonuses; and (iv) grant rights to acquire restricted stock at not less than
 85 % of fair value. Options generally vest over a
 four-year
 period and have a term of ten years. Options granted to 10% stockholders have a maximum term of five years and require an exercise price equal to at least 110 % of the fair value on the date of grant. The exercise price of all options granted to date has been at least equal to the fair value of common stock on the date of grant. Stock option exercises are settled with shares reserved under the 2013 Plan. The share reserve under the 2013 Plan will automatically increase on January 1 st
 of each year, for a period of not more than ten years, in an amount equal to 5 % of the total number of shares of capital stock outstanding on December 31 st
 of the preceding calendar year, unless the Board determines otherwise prior to December 31 st
 of such calendar year.

 In October 2020, the Company's board of directors approved the 2020 New Hire Plan (the 2020 Plan), under which shares of common stock are reserved for the granting of nonqualified stock options, stock appreciation rights, restricted stock awards, restricted stock unit awards, performance stock awards, performance cash awards and other stock awards by the Company as an inducement to prospective new hire employees of the Company. The 2020 Plan has a term of ten years. The 2020 Plan permits the Company to (i) grant nonqualified options to new hire employees at not less than 85 % of fair value; (ii) award stock bonuses; and (iii) grant rights to acquire restricted stock at not less than 85% of fair value. Options generally vest over a four-year period and have a term of ten years. The share reserve under the 2020 Plan may be increased at the discretion of and approval by the board of directors.

 Stock Plan Activity

 As of December 31, 2023, there were 8,637,460, 552,500, and no shares available for grant under the 2023, 2020, and 2013 Plans, respectively.

 The following table summarizes activity in the Company's stock option grants:

 Shares
Subject to
Outstanding
Options

 Weighted
Average
Exercise
Price of
Options

 Weighted
Average
Remaining
Contractual
Term
(Years)

 Aggregate
Intrinsic
Value (in
thousands)

 Outstanding as of December 31, 2022

 13,930,195

 $

 5.26

 Options granted

 5,685,135

 9.46

 Options exercised

 ( 2,115,004

)

 4.79

 Options forfeited

 ( 930,421

)

 5.91

 Options expired

 ( 30,000

)

 12.72

 Outstanding as of December 31, 2023

 $

 6.71

 6.87

 $

 279,610

 Vested and expected to vest as of December 31, 2023

 $

 6.71

 6.87

 $

 279,610

 Exercisable as of December 31, 2023

 10,096,612

 $

 5.97

 5.64

 $

 178,177

 The total intrinsic value of options exercised was $ 19.7 million, immaterial and $ 0.2 million for the years ended December 31, 2023, 2022, and 2021,
 respectively.

 The total fair value of options vested was $
 3.1 million, $
 0.6 million and $
 0.7 million for the years ended December 31, 2023, 2022, and 2021, respectively.

 As of December 31, 2023, unamortized stock-based compensation expense of $ 37.8 million is expected to be recognized over a weighted average period of 2.7
 years.

 Incentive Awards

 In December 2013, January 2014, and April 2014, as permitted by the 2013 Plan, the Company issued certain incentive awards to directors, employees and a consultant which are subject to 252,752 shares of the Company's common stock and are exercisable at a weighted average price of $ 5.21 per share when vested. The Company may determine at its option whether to settle exercised awards in shares of common stock or in cash. The incentive awards were fully vested as of December 31, 2023 and 2022 and have a term of 10 years.

 Incentive awards outstanding totaled 0 and 101,182 as of December 31, 2023 and 2022, respectively.

 Stock-Based Compensation Expense

 Stock-based compensation expense is included in the consolidated statements of operations and comprehensive loss and is as follows (in thousands):

 2023

 2022

 2021

 Research and development

 $

 5,758

 $

 4,274

 $

 4,470

 General and administrative

 9,472

 5,243

 5,526

 Total stock-based compensation expense

 $

 15,230

 $

 9,517

 $

 9,996

 Valuation Assumptions

 The following table presents the weighted-average assumptions the Company used in the Black-Scholes option-pricing model to derive the grant date fair values of stock options granted in each of the years presented along with the resulting estimated weighted-average grant date fair values per share:

 2023

 2022

 2021

 Expected term (years)

 6.1

 6.0

 6.1

 Expected volatility

 %

 %

 %

 Risk-free interest rate

 3.8

 %

 1.8

 %

 0.9

 %

 Expected dividend yield

 —

 —

 —

 Weighted-average grant date fair value per share

 $

 7.50

 $

 2.33

 $

 3.91

 Expected Term

 The Company does not believe it can currently place reliance on its historical exercise and post-vesting termination activity to provide accurate data for estimating the expected term due to the lack of sufficient prior exercise data available. Therefore, for stock option grants made during the years ended December 31, 2023, 2022, and 2021, the Company has elected to use the simplified method for estimating the expected term, which is an average of the contractual term of the options and its ordinary vesting period. The Company will reevaluate this methodology at a point in time when sufficient exercise data becomes available. The expected term represents the period of time that options are expected to be
 outstanding.

 Expected Volatility

 The Company estimates expected volatility by measuring the historical volatility of its common stock price over a historical period commensurate with the expected term of the related award.

 Risk-Free Interest Rate

 The risk-free interest rate assumption was based on U.S. treasury instruments with constant maturities whose term was consistent with the expected term of stock options granted by the Company.

 Expected Dividend Yield

 The Company has never declared or paid cash dividends and does not plan to pay cash dividends in the foreseeable future. Consequently, the Company uses an expected dividend yield of zero.

 12. 401(k) Plan

 The Company provides a qualified 401(k) savings plan for its employees. All employees are eligible to participate, provided they meet the requirements of the plan. As is permitted under the plan, the Company has elected to match employee contributions up to $ 2,500, $ 750 and $ 750, for the years ended December 31, 2023, 2022, and 2021, and accordingly matching contributions totaling an insignificant amount were made in the years ended December 31, 2023, 2022, and
 2021.

 13. Income Taxes

 No provision for U.S. income taxes exists due to tax losses incurred in all periods presented. All losses incurred were U.S. based. Significant components of the Company's deferred tax assets are as follows (in thousands):

 2023

 2022

 Deferred tax assets:

 Federal and state net operating loss carryforwards

 $

 91,783

 $

 87,681

 Federal and state research and development tax credit carryforwards

 41,714

 32,016

 Intangibles

 4,365

 5,040

 Capitalized research and development

 26,101

 11,872

 Stock-based compensation

 3,358

 6,624

 Other

 3,329

 1,574

 Total deferred tax assets

 170,650

 144,807

 Deferred tax liabilities:

 Depreciation and amortization

 —

 ( 79

)

 Other

 ( 1,135

)

 ( 36

)

 Total deferred tax liabilities

 ( 1,135

)

 ( 115

)

 Valuation allowance

 $

 ( 169,515

)

 $

 ( 144,692

)

 Net deferred tax assets

 $

 —

 $

 —

 Realization of the net deferred tax assets is dependent upon future taxable income, if any, the amount and timing of which is uncertain. Based on the weight of available positive and negative objective

 evidence,

 management

 believes it more likely than not that the Company's deferred tax assets are not realizable. Accordingly, the net deferred tax assets have been fully offset by a valuation allowance. The valuation allowance increased by

 $ 24.8
 million primarily due primarily to the Company's capitalized research and development expenditures, federal and state tax credit carryforwards, and the taxable loss incurred during the year ended December 31, 2023. These valuation allowance increases were offset by the reduction of stock-based

 compensation deferred tax assets as of December 31, 2023. For the year ended December 31, 2022, the valuation allowance decreased by $

 29.2 million due primarily to a $ 38.4 million write-off
 of tax attributes pursuant to certain Section 382 limitations and to a lesser extent the utilization of net operating losses during the year. These valuation allowance reductions were offset by the increases to the Company's capitalized research and development expenses and other deferred tax assets during the year ended December 31, 2022.

 The following is a reconciliation of the expected statutory federal income tax provision to the actual income tax provision (in thousands):

 Year Ended December 31,

 2023

 2022

 2021

 Income tax benefit at federal statutory tax rate

 $

 ( 22,128

)

 $

 ( 22,260

)

 $

 ( 18,900

)

 Change in valuation allowance

 24,852

 ( 29,165

)

 14,739

 Impairment of tax attributes

 4,905

 38,398

 —

 Research credits

 ( 8,622

)

 ( 2,640

)

 ( 2,802

)

 Development financing liability

 3,978

 12,301

 6,654

 Permanent differences

 ( 2,230

)

 State income taxes, net of federal benefit

 ( 1,132

)

 2,806

 ( 267

)

 Other, net

 Income tax (benefit) expense

 $

 —

 $

 —

 $

 —

 Pursuant

 to Internal Revenue Code (IRC) Sections 382 and 383 and similar state laws, use of the Company's U.S. federal and state net operating loss and research and credit carryforwards may be limited in the event of a cumulative change in ownership of more than 50 % within a three-year
 period. In 2022, the Company completed an ownership change analysis and determined that its net operating losses and research and development credits were subject to limitations due to historical changes in ownership that occurred through December 31, 2022. Accordingly, the net operating loss carryforwards reflected in the deferred tax assets as of December 31, 2022 have been reduced to reflect Section 382 limitations resulting from these changes. The Section 382 analysis was updated through December 31, 2023 with no further restrictions on use of net operating loss or credit carryforwards. As the Company is expected to incur additional losses in the future, any future ownership changes that might occur could further restrict the Company's ability to utilize its net operating loss and research and development

 carryforwards.

 As of December 31, 2023, the Company had federal net operating loss carryforwards of $
 365.6 million and state net operating loss carryforwards of $
 214.9 million to offset future taxable income, if any. In addition, the Company had federal research and development tax credit carryforwards of $
 4.5 million, federal orphan drug tax credit carryforwards of $
 38.4 million, and state research and development tax credit carryforwards of $
 11.0 million. If not utilized, the federal net operating losses for the years beginning before January 1, 2018 of $
 78.4 million will expire beginning in
 2034 through
 2037, and the federal net operating losses for the tax years beginning after January 1, 2018 of $
 287.2 million will be carried forward indefinitely (subject to certain utilization limitations).
 The state net operating loss carryforwards will expire beginning in 2028 through 2043. The federal research and development and federal orphan drug tax credit carryforwards expire 2033 through 2043, and the state tax credit will carry forward indefinitely.
 The following table summarizes activity related to the Company's gross unrecognized tax benefits (in thousands):

 Balances as of December 31, 2020

 $

 7,205

 Increases related to prior year tax positions

 Increases related to 2021 tax positions

 Balances as of December 31, 2021

 7,997

 Decreases related to prior year tax positions

 ( 1,223

)

 Increases related to 2022 tax positions

 Balances as of December 31, 2022

 7,504

 Decreases related to prior year tax positions

 ( 14

)

 Increases related to 2023 tax positions

 2,514

 Balances as of December 31, 2023

 $

 10,004

 The unrecognized tax benefits, if recognized, would not have an impact on the Company's effective tax rate assuming the Company continues to maintain a full valuation allowance position. Based on prior year's operations and experience, the Company does no t
 expect a significant change to its unrecognized tax benefits over the next twelve months. The unrecognized tax benefits may increase or change in the future for unexpected or unusual items for items that may arise in the ordinary course of
 business.

 The

 Company's major income tax filing jurisdictions are the U.S. federal and California state and is not currently under examination by federal, state, or local taxing authorities for any open tax years. Due to net operating loss carryforwards, the tax years 2004 to 2022 remain open for income tax examination by tax authorities in the U.S. and states in which the Company files tax returns. Interest and penalties for the years ended December 31, 2023 and 202 2
 were not material.

 In August 2022, the Inflation Reduction Act of 2022 (IRA) was signed into law. The IRA provides several tax incentives, including the expanded Internal Revenue Code (IRC) Section 179D deduction, increased ability to leverage the R&D credit to offset payroll taxes for eligible start-up
 businesses, and 15 % alternative minimum tax (AMT) for corporations with average income of more than $ 1 billion for the past three tax periods. The IRA did not have a material impact on the Company's consolidated financial statements; however, the Company continues to examine the impacts the above-mentioned tax legislations may have on its business, results of operations, financial condition and liquidity.

 14. Subsequent Event

 Pending Acquisition by Gilead

 On February 11, 2024, the Company entered into an Agreement and Plan of Merger (the "Merger Agreement") with Gilead Sciences, Inc. ("Gilead") and Pacific Merger Sub, Inc., a wholly owned subsidiary of Gilead ("Purchaser"). The Merger Agreement provides for the acquisition of the Company by Gilead in a two-step all cash transaction, consisting of a tender offer (the "Offer"), followed by a subsequent merger of Purchaser

 with and into the Company (the "Merger" and, together with the Offer and the other transactions contemplated by the Merger Agreement, the "Transactions"), with the Company continuing as the surviving corporation.

 On February 23, 2024, Purchaser commenced the Offer for all of the Company's issued and outstanding shares of common stock, par value $

 0.0001 per share ("Shares"), other than any Shares owned by the Company (including those held in the Company's treasury), Gilead or Purchaser ("Excluded Shares"), at a purchase price of $ 32.50 per Share (the "Offer Price"), net to the seller in cash, without interest and subject to any required withholding of taxes. The Offer will initially remain open until March 21, 2024 (unless otherwise agreed to in writing by Gilead and us), which period may be extended for additional periods of up to 10 business days per extension (or such other duration as may be agreed to in writing by the Company and Gilead) to permit the conditions to the Offer to be satisfied.

 The obligation of Purchaser to accept for payment Shares validly tendered pursuant to the Offer is subject to customary closing conditions, including: (i) Shares having been validly tendered and not validly withdrawn that, considered together with all other Shares (if any) beneficially owned by Gilead and its affiliates, represent one more Share than 50 % of

 the total number of Shares outstanding at the time of the expiration of the Offer (including, for the avoidance of doubt, all Shares that become outstanding as a result of the "cashless exercise" of the outstanding pre-funded warrants of the Company, as described below); (ii) the accuracy of the Company's representations and warranties contained in the Merger Agreement (subject to any applicable Material Adverse Effect (as defined in the Merger Agreement) and materiality qualifiers); (iii) the absence of a willful and material breach by the Company of the "no-shop" restrictions described in the Merger Agreement and the Company's performance of its other obligations, covenants and agreements under the Merger Agreement in all material respects; (iv) the absence, since the date of the Merger Agreement, of any Material Adverse Effect; (v) the expiration or early termination of the waiting period applicable to the Offer under the Hart-Scott-Rodino

 Antitrust Improvements Act of 1976, as amended, and if Gilead and the Company have entered into an agreement with any governmental body regarding the timing of the consummation of the Offer, such consummation being permitted under such agreement and (vi) the absence of any judgment, temporary restraining order, preliminary or permanent injunction or other order, decree or ruling restraining, enjoining or otherwise preventing the acquisition of or payment for Shares pursuant to the Offer or the consummation of the Offer or the Merger or subsequent integration.

 As soon as practicable following the acceptance of the Shares validly tendered and not validly withdrawn pursuant to the Offer and the consummation of the Offer, subject to the satisfaction or waiver of certain customary conditions set forth in the Merger Agreement, the Merger will be effected under Section 251(h) of the Delaware General Corporation Law, as amended, without a meeting or vote of the Company's stockholders.

 At the effective time of the Merger (the "Effective Time"), each issued and outstanding Share, other than any Excluded Shares, any Shares irrevocably accepted for purchase pursuant to the Offer ("Tendered Shares") or any Dissenting Shares (as defined in the Merger Agreement), will be converted into the right to receive the Offer Price (the "Merger Consideration"), in cash, without interest and subject to any required withholding of taxes.

 At the Effective Time, each stock option to purchase Shares that is then outstanding and unexercised, whether or not vested and which has a per-share exercise price that is less than the Merger Consideration, will be automatically canceled and converted into the right to receive a lump-sum cash payment equal to (i) the excess of (a) the Merger Consideration over (b) the exercise price payable per Share under such stock option, multiplied by (ii) the total number of Shares subject to such stock option immediately prior to the Effective Time.

 At the Effective Time, each restricted stock unit award with respect to Shares that is then outstanding will be automatically canceled and converted into the right to receive a lump-sum cash payment equal to the product, rounded to the nearest cent, of (i) the number of Shares subject to such restricted stock unit award as of the Effective Time and (ii) the Merger Consideration.

 At the Offer Acceptance Time, each pre-funded warrant of the Company to purchase Shares that is outstanding immediately prior to the Effective Time will automatically be deemed to be exercised in full in a "cashless exercise" pursuant to the warrant agreement to which such warrant is subject. At the Effective Time, holders of Shares issued pursuant to such "cashless exercise" of the pre-funded warrants of the Company in accordance with the applicable warrant agreements and the Merger Agreement shall become entitled to the Merger Consideration as described above in respect of Shares other than the Excluded Shares, the Tendered Shares and any Dissenting Shares.

 The Merger Agreement contains certain termination rights for the Company and Gilead. Upon termination of the Merger Agreement under specified circumstances, the Company will be required to pay Gilead a termination fee in the amount of $ 151.6 million.

 Item 16. Form 10-K
 Summary

 None.

 1 20

 SIGNATURES

 Pursuant to the requirements of Section 13 or Section 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 Registrant

 February 2 8
, 2024

 /s/ Sujal Shah

 Date

 Sujal Shah

 President and Chief Executive Officer

 POWER OF ATTORNEY
 KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Sujal Shah and Harish Shantharam, as his or her true and lawful attorney-in-fact

 and agent, with full power of substitution for him or her, and in his or her name in any and all capacities, to sign any and all amendments to this Annual Report on Form 10-K,
 and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact

 and agent, full power and authority to do a nd
 perform each and every act and thing requisite and necessary to be done therewith, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact

 and agent, and any of them or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

 Pursuant to the requirements of the Securities Act of 1934, this report has been signed by the following persons on behalf of the Registrant in the capacities indicated on the date set forth below:

 Name and Signature

 Title

 Date

 /s/ Sujal Shah

 Sujal Shah

 President, Chief Executive Officer and Director

 (Principal Executive Officer)

 /s/ Harish Shantharam

 Harish Shantharam

 Chief Financial Officer

 (Principal Financial and Accounting Officer)

 /s/ Robert J. Wills

 Robert J. Wills

 /s/ Kurt von Emster

 Kurt von Emster

 /s/ Caroline Loewy

 Caroline Loewy

 /s/ Thomas G. Wiggans

 Thomas G. Wiggans

 /s/ Janet Dorling

 Janet Dorling

 /s/ ric Lefebvre

 ric Lefebvre

 12 1