🕵️ Hemab Therapeutics Holdings, Inc. ($COAG)
SEC insider & ownership activity, last 12 months · CIK 2114044 · every row links its SEC filing
Over the last 12 months insiders bought $55.5M with no open-market selling against it. RA Capital Management, L.P. bought $55.5M (May–Jun). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $55.5M (16 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| RA Capital Management, L.P. | 16 | $55.5M | 0 | – | Jun 16, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| RA Capital Management, L.P. | 16.6% | 13G | May 11, 2026 | filing ↗ | |
| Peter Kolchinsky | 16.6% | 13G | May 11, 2026 | filing ↗ | |
| Rajeev Shah | 16.6% | 13G | May 11, 2026 | filing ↗ | |
| RA Capital Healthcare Fund, L.P. | 13.6% | 13G | May 11, 2026 | filing ↗ | |
| Access Industries Holdings LLC | 10.4% | 13D | May 4, 2026 | filing ↗ | |
| AI Den-Mab LLC | 10.4% | 13D | May 4, 2026 | filing ↗ | |
| Access Industries Management LLC | 10.4% | 13D | May 4, 2026 | filing ↗ | |
| Len Blavatnik | 10.4% | 13D | May 4, 2026 | filing ↗ | |
| AI Biotechnology LLC | 10.4% | 13D | May 4, 2026 | filing ↗ | |
| DEEP Track Capital, LP | 8.2% | 13G | May 8, 2026 | filing ↗ | |
| David Kroin | 8.2% | 13G | May 8, 2026 | filing ↗ | |
| DEEP Track Biotechnology Master Fund, Ltd. | 6.8% | 13G | May 8, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | May 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 21, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 8, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | May 4, 2026 | filing ↗ |
| Other events (8.01) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |