GCM Grosvenor officer gifts 2,500 shares

GCM Grosvenor Inc. Principal Accounting Officer Kathleen Patricia Sullivan reported two charitable stock gifts of Class A Common Stock.

Rhea-AI Filing Summary

GCM Grosvenor Inc. Principal Accounting Officer Kathleen Patricia Sullivan reported two charitable stock gifts of Class A Common Stock. She made a bona fide gift of 1,500 shares on May 18, 2026 and another 1,000-share gift on May 19, 2026, both at a reported price of $0.00 per share.

After these charitable donations totaling 2,500 shares, she directly holds 66,006 shares of Class A Common Stock. These are non-market, non-cash charitable transfers rather than open-market purchases or sales.

Insider Trade Summary

2,500 shares gifted

Gift 2 txns

Insider SULLIVAN KATHLEEN PATRICIA

Role Principal Accounting Officer

Type	Security	Shares	Price	Value
Gift	Class A Common Stock	1,000	$0.00	$0.00
Gift	Class A Common Stock	1,500	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 66,006 shares (Direct)

Footnotes (1)

1. F1. Reflects charitable donation made by the Reporting Person.

Key Figures

Gift on May 18, 2026: 1,500 shares Gift on May 19, 2026: 1,000 shares Total shares gifted: 2,500 shares +1 more

4 metrics

Gift on May 18, 2026 1,500 shares Bona fide gift of Class A Common Stock at $0.00 per share

Gift on May 19, 2026 1,000 shares Bona fide gift of Class A Common Stock at $0.00 per share

Total shares gifted 2,500 shares Aggregate of two bona fide gift transactions reported

Shares held after gifts 66,006 shares Direct holdings of Class A Common Stock following the donations

Key Terms

bona fide gift, Principal Accounting Officer, Class A Common Stock, charitable donation

4 terms

bona fide gift financial

"Both transactions are coded as a “G” bona fide gift."

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

Principal Accounting Officer financial

"Kathleen Patricia Sullivan serves as Principal Accounting Officer."

The Principal Accounting Officer is the person responsible for making sure a company's financial records are accurate and follow the rules. They play a key role in preparing financial reports that show how well the company is doing. This helps investors, managers, and regulators trust the company's financial information.

Class A Common Stock financial

"She reported transactions in GCM Grosvenor Class A Common Stock."

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

charitable donation financial

"A footnote explains the transfers reflect a charitable donation."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider activity did GCMG officer Kathleen Sullivan report?

Kathleen Sullivan reported two charitable gifts of GCM Grosvenor Class A Common Stock totaling 2,500 shares. The transactions were coded as bona fide gifts, meaning they were non-market transfers with no sale proceeds received.

How many GCMG shares did Kathleen Sullivan donate and on which dates?

She donated 1,500 shares of Class A Common Stock on May 18, 2026 and 1,000 shares on May 19, 2026. Both transactions are reported as bona fide charitable gifts with a price of $0.00 per share.

How many GCMG shares does Kathleen Sullivan hold after these gifts?

After the reported charitable donations, Kathleen Sullivan holds 66,006 shares of GCM Grosvenor Class A Common Stock directly. This post-transaction figure reflects her remaining position following the two bona fide gift transfers disclosed in the Form 4.

Were the reported GCMG transactions open-market sales or purchases?

No, the transactions were not open-market trades. Both were coded as “G” bona fide gifts with a transaction price of $0.00 per share, indicating charitable donations rather than sales or purchases on the open market.

Does the Form 4 indicate these GCMG transactions were charitable?

Yes, a footnote states the transactions reflect a charitable donation made by the reporting person. Combined with the “G” gift code and $0.00 per-share price, this confirms they were non-cash charitable transfers of Class A Common Stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/20/2026 - 05:18 PM EDT 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^*

SULLIVAN KATHLEEN PATRICIA

(Last) (First) (Middle)

C/O GCM GROSVENOR INC.

900 NORTH MICHIGAN AVENUE, SUITE 1100

(Street)

CHICAGO ILLINOIS 60611

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Principal Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026

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

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

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

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	05/18/2026		G		1,500(1)	D	$0	67,006	D
Class A Common Stock	05/19/2026		G		1,000(1)	D	$0	66,006	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 (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

Explanation of Responses:

1. Reflects charitable donation made by the Reporting Person.

Remarks:

	/s/ Burke Montgomery, Attorney-in-Fact	05/20/2026
	** 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.
* Form 4: SEC 1474 (03-26)