Sec Form 4 Filing - Pollock Frederick @ GCM Grosvenor Inc. - 2025-03-01

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 Pollock Frederick 2. Issuer Name and Ticker or Trading Symbol GCM Grosvenor Inc. [ GCMG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Investment Officer (Last) (First) (Middle) C/O GCM GROSVENOR INC., 900 NORTH MICHIGAN AVENUE, SUITE 1100 3. Date of Earliest Transaction (MM/DD/YY) 03/01/2025 (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 03/01/2025 M 50,000 A 666,429 D Class A Common Stock 03/01/2025 F 12,515 ( 2 ) D $ 13.84 653,914 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 ( 1 ) 03/01/2025 M 50,000 ( 3 ) ( 3 ) Class A Common Stock 50,000 $ 0 100,000 D Restricted Stock Units ( 1 ) 03/01/2025 A 52,500 ( 4 ) ( 4 ) Class A Common Stock 52,500 $ 0 52,500 D Restricted Stock Units ( 1 ) 03/01/2025 A 150,000 ( 5 ) ( 5 ) Class A Common Stock 150,000 $ 0 150,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Pollock Frederick C/O GCM GROSVENOR INC. 900 NORTH MICHIGAN AVENUE, SUITE 1100 CHICAGO, IL60611 Chief Investment Officer Signatures /s/ Burke Montgomery, Attorney-in-Fact 03/04/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each Restricted Stock Unit ("RSU") represents the contingent right to receive one share of Class A Common Stock of the Issuer. ( 2 )Represents shares of Class A Common Stock that have been withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on March 1, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale. ( 3 )Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024 in accordance with the Reporting Person's employment agreement. 50,000 RSUs vested on March 1, 2025, and 50,000 RSUs will vest on each of March 1, 2026 and March 1, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 50,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 50,000 vested RSUs on March 1, 2025. ( 4 )Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025 made in accordance with the Reporting Person's employment agreement. The RSUs will vest in full on August 15, 2025, subject to the Reporting Person's continued service through the vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion. ( 5 )Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025 made in accordance with the Reporting Person's employment agreement. The RSUs will vest in three equal installments on March 1, 2026, March 1, 2027 and March 1, 2028, subject to the Reporting Person's continued service through the applicable vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement.

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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