Sec Form 4 Filing - Cornelli Francesca @ GCM Grosvenor Inc. - 2024-03-25

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 Cornelli Francesca 2. Issuer Name and Ticker or Trading Symbol GCM Grosvenor Inc. [ GCMG] 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 GCM GROSVENOR INC., 900 NORTH MICHIGAN AVENUE, SUITE 1100 3. Date of Earliest Transaction (MM/DD/YY) 03/25/2024 (Street) CHICAGO, IL60611 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 Class A Common Stock 03/25/2024 M( 1 ) 10,000 A 10,000 D

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 Restricted Stock Units ( 2 ) 03/25/2024 M( 1 ) 10,000 ( 1 )( 3 ) ( 1 )( 3 ) Class A Common Stock 10,000 $ 0 ( 2 ) 17,668 ( 3 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Cornelli Francesca C/O GCM GROSVENOR INC. 900 NORTH MICHIGAN AVENUE, SUITE 1100 CHICAGO, IL60611 X Signatures /s/ Burke Montgomery, Attorney-in-Fact 03/27/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This award of Restricted Stock Units ("RSUs") was granted pursuant to the Issuer's 2020 Incentive Award Plan on March 1, 2021 and vested on November 17, 2021. The Reporting Person previously elected to defer settlement upon the earliest to occur of March 25, 2024, a "change in control event" of the Issuer or the Reporting Person's death or disability. 10,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of this award on March 25, 2024. ( 2 )Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer. ( 3 )For 3,935 RSUs granted on December 29, 2023, 4,543 RSUs granted on September 29, 2023, 4,676 RSUs granted on June 30, 2023 and 4,514 RSUs granted on March 31, 2023, shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the anniversary of the grant, the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

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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