🕵️ Compass Pathways PLC ($CMPS)
SEC insider & ownership activity, last 12 months · CIK 1816590 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. Atai Life Sciences N.v. trimmed 7.5% → 6.0%. 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 | |
|---|---|---|---|---|---|
| DEEP Track Capital, LP | 10.0% | 13G | Jan 17, 2025 | filing ↗ | |
| DEEP Track Biotechnology Master Fund, Ltd. | 10.0% | 13G | Jan 17, 2025 | filing ↗ | |
| David Kroin | 10.0% | 13G | Jan 17, 2025 | filing ↗ | |
| RTW Investments, LP | 9.9% | 13G | May 15, 2026 | filing ↗ | |
| Roderick Wong | 9.9% | 13G | May 15, 2026 | filing ↗ | |
| Roderick WONG, M.D. | 8.3% | 13G | May 15, 2025 | filing ↗ | |
| Atai Life Sciences Ag | 7.5% | 13D | Mar 5, 2025 | filing ↗ | |
| Atai Life Sciences N.v. | 6.0% | 13D | Oct 27, 2025 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Jul 7, 2026 | filing ↗ |
| Other events (8.01) | Jul 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 7, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 27, 2026 | filing ↗ |
| Earnings (2.02) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Earnings (2.02) | Mar 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 24, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 18, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 18, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 17, 2026 | filing ↗ |
| Other events (8.01) | Feb 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 17, 2026 | filing ↗ |
| Material agreement (1.01) | Jan 5, 2026 | filing ↗ |
| New financial obligation (2.03) | Jan 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 5, 2026 | filing ↗ |
| Earnings (2.02) | Nov 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 4, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 26, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 26, 2025 | filing ↗ |
| Earnings (2.02) | Jul 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2025 | filing ↗ |