Sec Form 4 Filing - Schwab Andrew J. @ Enliven Therapeutics, Inc. - 2023-02-23

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Schwab Andrew J. 2. Issuer Name and Ticker or Trading Symbol Enliven Therapeutics, Inc. [ ELVN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O 5AM VENTURE MANAGEMENT, LLC, 501 SECOND STREET, SUITE 350 3. Date of Earliest Transaction (MM/DD/YY) 02/23/2023 (Street) SAN FRANCISCO, CA94107 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/23/2023 A 4,838,092 A 4,838,092 I See footnote ( 2 ) Common Stock 02/23/2023 A 960,383 A 960,383 I See footnote ( 3 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Schwab Andrew J. C/O 5AM VENTURE MANAGEMENT, LLC 501 SECOND STREET, SUITE 350 SAN FRANCISCO, CA94107 X Signatures /s/ Ben Hohl, by power of attorney 02/27/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Pursuant to the Agreement and Plan of Merger, dated as of October 13, 2022 (the "Merger Agreement"), by and among Imara Inc. ("Imara"), Enliven Therapeutics, Inc., ("Enliven") and Iguana Merger Sub, Inc., a wholly owned subsidiary of the Issuer (the "Merger Sub"), provided for the merger of Merger Sub with and into Enliven, with Enliven surviving the merger as a wholly-owned subsidiary of the Imara (the "Merger"). At the effective time of the Merger, each share of Enliven common stock was converted into the right to receive a number of shares of Imara common stock equal to an exchange ratio of approximately 0.2951 shares of Imara common stock for each share of Enliven common stock. After completion of the Merger, the combined company will be renamed "Enliven Therapeutics, Inc." and the common stock of the combined company will trade on The Nasdaq Stock Market under the symbol "ELVN." ( 2 )The shares held of record by 5AM Ventures VI, L.P. (5AM VI). 5AM Partners VI, LLC (5AM Partners) is the general partner of 5AM VI and may be deemed to have sole investment and voting power over the shares held by 5AM VI. As a managing member of 5AM Partners, the reporting person may be deemed to share voting and dispositive power over the shares held of record by 5AM VI but disclaims beneficial ownership of the securities held of record by 5AM VI except to the extent of his individual pecuniary interest therein. ( 3 )The shares held of record by 5AM Ventures Opportunities I, L.P. (5AM Opportunities). 5AM Opportunities I (GP), LLC (5AM Opportunities GP) is the general partner of 5AM Opportunities and may be deemed to have sole investment and voting power over the shares held by 5AM Opportunities. As a managing member 5AM Opportunities GP, the reporting person may be deemed to share voting and dispositive power over the shares held of record by 5AM Opportunities but disclaims beneficial ownership of the securities held of record by 5AM Opportunities except to the extent of his individual pecuniary interest therein.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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