🕵️ GCM Grosvenor Inc. ($GCMG)
SEC insider & ownership activity, last 12 months · CIK 1819796 · every row links its SEC filing
Over the last 12 months insiders sold $10.2M with no open-market buying against it. Cantor Fitzgerald, L. P. sold $7.6M (Nov–Jul). 1 planned sale is pending, the largest $506K (Pamela Bentley). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 5 sellers, $10.2M (14 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Cantor Fitzgerald, L. P. | 0 | – | 4 | $7.6M | Jul 16, 2026 |
| Pamela L. Bentley | 0 | – | 4 | $1.6M | Sep 16, 2026 |
| Sullivan Kathleen Patricia | 0 | – | 2 | $526K | Sep 3, 2026 |
| Angela Blanton | 0 | – | 2 | $489K | Feb 27, 2026 |
| Howard W. Lutnick | 0 | – | 2 | – | Oct 6, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Michael Jay Sacks | 69.9% | Class A | 13G | Aug 13, 2026 | filing ↗ |
| Grosvenor Holdings, L.L.C. | 68.7% | Class A | 13G | Aug 13, 2026 | filing ↗ |
| GCM Progress LLC | 59.3% | Class A | 13G | Aug 13, 2026 | filing ↗ |
| GCM Progress Subsidiary LLC | 59.3% | Class A | 13G | Aug 13, 2026 | filing ↗ |
| Columbia Wanger Asset Management, LLC | 13.1% | 13G | Feb 14, 2025 | filing ↗ | |
| Cantor Fitzgerald, L.P. | 10.3% | 13G | Feb 17, 2026 | filing ↗ | |
| CF Group Management, Inc. | 10.3% | 13G | Feb 17, 2026 | filing ↗ | |
| Brandon G. Lutnick | 10.3% | 13G | Feb 17, 2026 | filing ↗ | |
| Ameriprise Financial, Inc. | 8.7% | 13G | May 15, 2026 | filing ↗ | |
| Columbia Management Investment Advisers, LLC | 8.7% | 13G | May 15, 2026 | filing ↗ | |
| Columbia Acorn Fund | 7.3% | 13G | May 15, 2026 | filing ↗ | |
| Ariel Investments, LLC | 7.2% | 13G | May 14, 2026 | filing ↗ | |
| GCM Grosvenor Management, LLC | 6.8% | Class A | 13G | Aug 13, 2026 | filing ↗ |
| Sumitomo Mitsui Trust Group, Inc. | 6.2% | 13G | Apr 30, 2026 | filing ↗ | |
| Sumitomo Mitsui Trust Bank Ltd | 6.2% | 13G | Apr 30, 2026 | filing ↗ | |
| BlackRock, Inc. | 6.1% | 13G | Jul 17, 2025 | filing ↗ | |
| CF GCM Investor, LLC | 5.6% | 13G | Feb 17, 2026 | filing ↗ | |
| Grosvenor Holdings II, L.L.C. | 5.0% | Class A | 13G | Aug 13, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Pamela Bentley | $128K | Sep 16, 2026 | filing ↗ |
| Pamela Bentley | $506K | Sep 15, 2026 | filing ↗ |
| Angela Blanton | $22K | Feb 27, 2026 | filing ↗ |
| Angela Blanton | $466K | Feb 26, 2026 | filing ↗ |
| Pamela Bentley | $467K | Dec 17, 2025 | filing ↗ |
| Pamela Bentley | $467K | Dec 16, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 10, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 9, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Earnings (2.02) | Feb 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 10, 2026 | filing ↗ |
| Other events (8.01) | Nov 17, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 17, 2025 | filing ↗ |
| Earnings (2.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 15, 2025 | filing ↗ |