GCM Grosvenor Inc. (GCMG) Insider Ownership

Historic Insider Ownership Trends

GCM Grosvenor's top three insider shareholders as of May 14, 2026 are Michael Jay Sacks (Chief Executive Officer, 141.67Mn shares), Michael Jay Sacks (Chief Executive Officer, 141.67Mn shares), Capital Partners Gp, L.L.C. Adage (TenPercentOwner, 9.46Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Michael Jay Sacks Chief Executive Officer 0 141,665,831 12 May, 2025
Michael Jay Sacks Chief Executive Officer 0 141,665,831 12 May, 2025
Capital Partners Gp, L.L.C. Adage - 0 9,456,546 28 Apr, 2023
Capital Partners Gp, L.L.C. Adage - 0 4,862,954 28 Apr, 2023
Capital Partners Gp, L.L.C. Adage - 0 4,762,105 13 Jul, 2021
Capital Partners Gp, L.L.C. Adage - 0 4,318,049 10 May, 2023
Capital Partners Gp, L.L.C. Adage - 0 4,158,641 10 May, 2023
Frederick Pollock Chief Investment Officer 761,110 0 03 Mar, 2026
Frederick Pollock Chief Investment Officer 761,110 0 03 Mar, 2026
Jonathan Reisin Levin President 586,844 0 18 Aug, 2025
Jonathan Reisin Levin President 586,844 0 18 Aug, 2025
Blythe Masters - 84,783 0 02 Jan, 2025
Kathleen Patricia Sullivan Principal Accounting Officer 68,506 0 17 Apr, 2026
Sandra M Buchanan Chief Hr Officer 47,356 0 03 Jun, 2025
Francesca Cornelli - 46,235 0 02 Apr, 2026
Angela Blanton - 45,699 0 27 Feb, 2026
Pamela L Bentley Chief Financial Officer 39,741 0 17 Apr, 2026
Francis Osarume Idehen Chief Operating Officer 18,566 0 17 Aug, 2021
Francis Osarume Idehen Chief Operating Officer 18,566 0 17 Aug, 2021
Samuel C Iii Scott - 13,902 0 03 Jan, 2022
Samuel C Iii Scott - 13,902 0 03 Jan, 2022
Michael Jay Sacks Chief Executive Officer 0 6,988 17 Nov, 2025
Michael Jay Sacks Chief Executive Officer 0 6,988 17 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
15 Apr, 2026 Kathleen Patricia Sullivan Class A Common Stock A 7,976 - 77,980 D M
15 Apr, 2026 Pamela L Bentley Class A Common Stock A 26,568 - 69,722 D M
15 Apr, 2026 Pamela L Bentley Class A Common Stock D 29,981 $10.88 39,741 D F
15 Apr, 2026 Kathleen Patricia Sullivan Class A Common Stock D 9,474 $10.88 68,506 D F
15 Apr, 2026 Pamela L Bentley Restricted Stock Units D 26,568 $0.00 0 D M
15 Apr, 2026 Kathleen Patricia Sullivan Restricted Stock Units D 7,976 $0.00 0 D M
31 Mar, 2026 Francesca Cornelli Class A Common Stock A 7,526 $9.80 46,235 D A
31 Mar, 2026 Samuel C Iii Scott Restricted Stock Units A 7,526 $9.80 117,857 D A
31 Mar, 2026 Stephen Malkin Restricted Stock Units A 6,378 $9.80 102,305 D A
31 Mar, 2026 David Helfand Restricted Stock Units A 9,057 $9.80 41,929 D A
31 Mar, 2026 David Helfand Restricted Stock Units A 9,057 $9.80 41,929 D A
31 Mar, 2026 Stephen Malkin Restricted Stock Units A 6,378 $9.80 102,305 D A
31 Mar, 2026 Samuel C Iii Scott Restricted Stock Units A 7,526 $9.80 117,857 D A
11 Mar, 2026 Kathleen Patricia Sullivan Class A Common Stock D 1,600 $0.00 70,004 D G
01 Mar, 2026 Pamela L Bentley Class A Common Stock A 39,845 - 43,154 D M
01 Mar, 2026 Kathleen Patricia Sullivan Class A Common Stock A 13,409 - 71,604 D M
01 Mar, 2026 Jonathan Reisin Levin Restricted Stock Units A 91,305 $0.00 91,305 D A
01 Mar, 2026 Frederick Pollock Class A Common Stock A 50,000 - 750,917 D M
01 Mar, 2026 Frederick Pollock Class A Common Stock A 50,000 - 750,917 D M
01 Mar, 2026 Jonathan Reisin Levin Restricted Stock Units A 91,305 $0.00 91,305 D A