🕵️ GH Research PLC ($GHRS)
SEC insider & ownership activity, last 12 months · CIK 1855129 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. No red-flag 8-Ks in the window.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| LYNX1 Capital Management LP | 17.4% | 13G | May 18, 2026 | filing ↗ | |
| Weston Nichols | 17.4% | 13G | May 18, 2026 | filing ↗ | |
| BVF Partners L P/IL | 14.2% | 13G | May 15, 2025 | filing ↗ | |
| BVF INC/IL | 14.2% | 13G | May 15, 2025 | filing ↗ | |
| Mark N. Lampert | 14.2% | 13G | May 15, 2025 | filing ↗ | |
| LYNX1 Capital Management LP | 13.9% | 13G | Nov 14, 2025 | filing ↗ | |
| Weston Nichols | 13.9% | 13G | Nov 14, 2025 | filing ↗ | |
| BVF GP Holdings LLC | 13.2% | 13G | May 15, 2025 | filing ↗ | |
| RA Capital Management, L.P. | 12.4% | 13G | Aug 14, 2025 | filing ↗ | |
| Peter Kolchinsky | 12.4% | 13G | Aug 14, 2025 | filing ↗ | |
| Rajeev Shah | 12.4% | 13G | Aug 14, 2025 | filing ↗ | |
| RA Capital Healthcare Fund, L.P. | 12.1% | 13G | Aug 14, 2025 | filing ↗ | |
| RTW Investments, LP | 8.9% | 13G | May 15, 2025 | filing ↗ | |
| Roderick WONG, M.D. | 8.9% | 13G | May 15, 2025 | filing ↗ | |
| FMR LLC | 8.2% | 13G | Aug 6, 2025 | filing ↗ | |
| Abigail P. Johnson | 8.2% | 13G | Aug 6, 2025 | filing ↗ | |
| Biotechnology Value Fund L P | 7.4% | 13G | May 15, 2025 | filing ↗ | |
| BVF I GP LLC | 7.4% | 13G | May 15, 2025 | filing ↗ | |
| Biotechnology Value Fund II LP | 5.8% | 13G | May 15, 2025 | filing ↗ | |
| BVF II GP LLC | 5.8% | 13G | May 15, 2025 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
No 8-K filings in the last 12 months.