Sec Form 4 Filing - INTERWEST PARTNERS X LP @ PMV Pharmaceuticals, Inc. - 2021-05-10

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 INTERWEST PARTNERS X LP 2. Issuer Name and Ticker or Trading Symbol PMV Pharmaceuticals, Inc. [ PMVP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 467 FIRST STREET SUITE 201 3. Date of Earliest Transaction (MM/DD/YY) 05/10/2021 (Street) LOS ALTOS, CA94022 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 05/10/2021 J( 1 ) 500,000 D $ 0 4,969,911 D Common Stock 05/10/2021 J( 1 ) 5,000 A $ 0 5,000 I By: InterWest Management Partners X, LLC ( 3 ) Common Stock 05/10/2021 J( 2 ) 5,000 D $ 0 0 I By: InterWest Management Partners X, LLC ( 3 ) Common Stock 05/10/2021 J( 2 ) 186 A $ 0 559 I By: Khaled A. Nasr ( 3 ) Common Stock 05/10/2021 J( 2 ) 125 A $ 0 375 I By: Keval Desai ( 3 ) Common Stock 05/10/2021 J( 2 ) 1,135 A $ 0 3,404 I By Gilbert H. Kliman ( 3 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Securi ty (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 INTERWEST PARTNERS X LP 467 FIRST STREET SUITE 201 LOS ALTOS, CA94022 X InterWest Management Partners X, LLC 467 FIRST STREET, SUITE 201 LOS ALTOS, CA94022 X NASR KHALED 467 FIRST STREET, SUITE 201 LOS ALTOS, CA94022 X Desai Keval 467 FIRST STREET, SUITE 201 LOS ALTOS, CA94022 X Kliman Gilbert H 467 FIRST STREET, SUITE 201 LOS ALTOS, CA94022 X Signatures /s/ Karen A. Wilson, Attorney-in Fact for InterWest Partners X, LP 05/12/2021 Signature of Reporting Person Date /s/ Karen A. Wilson, Attorney-in Fact for InterWest Management Partners X, LLC 05/12/2021 Signature of Reporting Person Date /s/ Karen A. Wilson, Attorney-in Fact for Khlaed A. Nasr 05/12/2021 Signature of Reporting Person Date /s/ Karen A. Wilson, Attorney-in Fact for Keval Desai 05/12/2021 Signature of Reporting Person Date /s/ Karen A. Wilson, Attorney-in Fact for Gilbert H. Kliman 05/12/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents pro rata in-kind distribution by InterWest Partners X, LP ("IW10") without consideration to its limited and general partners in accordance with the terms of the InterWest Partners X, LP Limited Partnership Agreement. Includes 5,000 shares distributed to InterWest Management Partners X, LLC ("IMP10") its general partner. ( 2 )Represents pro rata in-kind distribution by IMP10 without consideration to its members in accordance with the terms of the InterWest Management Partners X, LLC Operating Agreement. Includes 186 shares distributed to Khaled A. Nasr ("Nasr"), 125 shares distributed to Keval Desai ("Desai") and 1,135 shares distributed to Gilbert H. Kliman ("Kliman"). ( 3 )The shares are held directly by IW10. The general partner of IW10 is IMP10. Kliman is a Managing Director of IMP10 and Nasr and Desai are Venture Members of IMP10. Each of Nasr, Desai and Kliman share voting and investment control over the shares owned by IW10, and may be deemed to beneficially own the shares held by IW10. Each of Nasr, Desai and Kliman disclaims beneficial ownership of such shares except to the extent of his pecuniaryinterest theriein.

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

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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