[Form 4] GCM Grosvenor Inc. Insider Trading Activity

Rhea-AI Filing Summary

GCM Grosvenor Inc. insider transaction: On 11/14/2025, a reporting person who is a Director, 10% owner and Chief Executive Officer of GCM Grosvenor Inc. (GCMG) exercised 900,000 warrants to purchase Class A common stock at an exercise price of $11.50 per share.

The exercise was handled on a cashless basis. To cover the aggregate exercise price, 893,012 warrant shares were withheld, and the remaining 6,988 shares of Class A common stock were issued. The filing states that the withheld warrant shares represent a reduction of shares issued to the reporting person and do not constitute any open-market sale.

Following the reported transactions, the Form 4 shows 6,988 Class A shares indirectly beneficially owned and 0 warrants remaining, with ownership held indirectly through related entities described in the footnotes.

Insider Trade Summary

900,000 shares exercised/converted

Exercise 3 txns

Insider Sacks Michael Jay, Grosvenor Holdings, L.L.C.

Role Chief Executive Officer | 10% Owner

Type	Security	Shares	Price	Value
In-the-Money Exercise	Warrants	900,000	$0.00	$0.00
In-the-Money Exercise	Class A Common Stock	900,000	$11.50	$10.35M
Other	Class A Common Stock	893,012	$11.59	$10.35M

Holdings After Transaction: Warrants — 0 contracts (Indirect, See footnotes); Class A Common Stock — 6,988 shares (Indirect, See footnotes)

Footnotes (2)

1. F1. Represents securities held directly by Grosvenor Holdings, L.L.C. The Reporting Person is the ultimate managing member of each of Grosvenor Holdings, L.L.C., Grosvenor Holdings II, L.L.C. , GCM Grosvenor Management, L.L.C. and GCM V, L.L.C.
2. F2. The Reporting Person exercised 900,000 warrants to purchase 900,000 shares of the Issuer's Class A Common Stock at an exercise price of $11.50 per share. The Reporting Person paid the exercise price on a cashless basis, resulting in withholding of 893,012 of the warrant shares to pay the exercise price and issuing to the Reporting Person the remaining 6,988 shares. The warrant shares withheld represent a reduction of shares issued to the Reporting Person and do not constitute any open-market sale.

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Accepted by SEC EDGAR 11/18/2025 - 06:02 AM Learn about SEC filing dates

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Sacks Michael Jay

(Last) (First) (Middle)

C/O GCM GROSVENOR INC.

900 NORTH MICHIGAN AVENUE, SUITE 1100

(Street)

CHICAGO IL 60611

(City) (State) (Zip)

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	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	11/14/2025		X		900,000	A	$11.5	900,000	I	See footnotes(1)
Class A Common Stock	11/14/2025		J(2)		893,012	D	$11.59	6,988	I	See footnotes(1)

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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
Warrants	$11.5	11/14/2025		X			900,000	12/17/2020	11/17/2025	Class A Common Stock	900,000	$0	0	I	See footnotes(1)

1. Name and Address of Reporting Person^*

Sacks Michael Jay

(Last) (First) (Middle)

C/O GCM GROSVENOR INC.

900 NORTH MICHIGAN AVENUE, SUITE 1100

(Street)

CHICAGO IL 60611

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

1. Name and Address of Reporting Person^*

Grosvenor Holdings, L.L.C.

(Last) (First) (Middle)

C/O GCM GROSVENOR INC.

900 NORTH MICHIGAN AVENUE, SUITE 1100

(Street)

CHICAGO IL 60611

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

Explanation of Responses:

1. Represents securities held directly by Grosvenor Holdings, L.L.C. The Reporting Person is the ultimate managing member of each of Grosvenor Holdings, L.L.C., Grosvenor Holdings II, L.L.C. , GCM Grosvenor Management, L.L.C. and GCM V, L.L.C.

2. The Reporting Person exercised 900,000 warrants to purchase 900,000 shares of the Issuer's Class A Common Stock at an exercise price of $11.50 per share. The Reporting Person paid the exercise price on a cashless basis, resulting in withholding of 893,012 of the warrant shares to pay the exercise price and issuing to the Reporting Person the remaining 6,988 shares. The warrant shares withheld represent a reduction of shares issued to the Reporting Person and do not constitute any open-market sale.

Remarks:

	/s/ Burke Montgomery, Attorney-in-Fact	11/17/2025
	** Signature of Reporting Person	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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.