Sec Form 3 Filing - Courtney Phillips @ Maze Therapeutics, Inc. - 2025-01-30

FORM 3 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 Courtney Phillips 2. Issuer Name and Ticker or Trading Symbol Maze Therapeutics, Inc. [ MAZE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) GC and Corp. Secretary (Last) (First) (Middle) C/O MAZE THERAPEUTICS, INC., 171 OYSTER POINT BOULEVARD, SUITE 300 3. Date of Earliest Transaction (MM/DD/YY) 01/30/2025 (Street) SOUTH SAN FRANCISCO, CA94080 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

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 Stock Option (Right to Buy) $ 10.42 ( 1 ) 07/17/2034 Common Stock 103,723 D Stock Option (Right to Buy) $ 10.42 ( 2 ) 12/08/2034 Common Stock 35,680 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Courtney Phillips C/O MAZE THERAPEUTICS, INC. 171 OYSTER POINT BOULEVARD, SUITE 300 SOUTH SAN FRANCISCO, CA94080 GC and Corp. Secretary Signatures /s/ Courtney Phillips 01/30/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The option shall vest as to 1/4th of the total award on July 15, 2025, and thereafter vests as to 1/48th of the total award on the monthly anniversary thereof, subject to the reporting person's continued service to the Issuer on each vesting date. ( 2 )The option vested or vests as to 1/48th of the total award monthly, with the first tranche vesting on January 1, 2025, and each subsequent tranche vesting on the monthly anniversary thereof, subject to the reporting person's continued service to the Issuer on each vesting date.

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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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