SULLIVAN KATHLEEN PATRICIA (M D and Head of Accounting) exercised options at GCM GROSVENOR INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 3 exercises

SULLIVAN KATHLEEN PATRICIA

Filed: 6/2/2026ACC: 0001628280-26-039956

InsiderSULLIVAN KATHLEEN PATRICIACIK 1684847

→

IssuerGCM GROSVENOR INC.CIK 1819796

Officer· M D and Head of Accounting

Since Nov 2020

-14.95K

Net shares

Net seller

$158.9K

Total sold

Open market trades

0B · 0S

Total transactions

33.73K acquired · 48.68K disposed

Non-Derivative Transactions4

Class A Common Stock

Direct

M · Option Exercise

+12.50K

Price / share

—

Trade value

—

% of position

18.9%

5/31/2026

66.01K→78.51K

Class A Common Stock

Direct

M · Option Exercise

+12.12K

Price / share

—

Trade value

—

% of position

15.4%

5/31/2026

78.51K→90.63K

Class A Common Stock

Direct

M · Option Exercise

+9.11K

Price / share

—

Trade value

—

% of position

10.1%

5/31/2026

90.63K→99.74K

Class A Common Stock

Direct

F · Tax Withholding

−14.95K

Price / share

$10.63

Trade value

$158.88K

% of position

15.0%

5/31/2026

99.74K→84.80K

Total

Net shares

+18.79K

Net value

-$158.88K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	5/31/2026	M · Option Exercise	+12.50K	—	—	18.9%	66.01K	78.51K
Class A Common Stock Direct	5/31/2026	M · Option Exercise	+12.12K	—	—	15.4%	78.51K	90.63K
Class A Common Stock Direct	5/31/2026	M · Option Exercise	+9.11K	—	—	10.1%	90.63K	99.74K
Class A Common Stock Direct	5/31/2026	F · Tax Withholding	−14.95K	$10.63	$158.88K	15.0%	99.74K	84.80K
Total			+18.79K		-$158.88K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

12.50K shares

−12.50K

Strike price

Held after

0.00

Exercisable

—

5/31/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

12.12K shares

−12.12K

Strike price

Held after

12.12K

Exercisable

—

5/31/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

9.11K shares

−9.11K

Strike price

Held after

18.23K

Exercisable

—

5/31/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Class A Common Stock12.50K shares	5/31/2026	M · Option Exercise	−12.50K	—	0.00
Restricted Stock Units Direct	Class A Common Stock12.12K shares	5/31/2026	M · Option Exercise	−12.12K	—	12.12K
Restricted Stock Units Direct	Class A Common Stock9.11K shares	5/31/2026	M · Option Exercise	−9.11K	—	18.23K