COMPASS Pathways plc SEC filings CMPS
COMPASS Pathways plc has 344 filings in SEC EDGAR's recent list, going back to Jul 2, 2020. Its latest annual report, Form ARS, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 28, 2026 | — |
| 144 | Notice of proposed sale | Aug 10, 2026 | — |
| 144 | Notice of proposed sale | Aug 7, 2026 | — |
| 4 | Insider transaction | Aug 5, 2026 | Aug 3, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 3 | Initial insider ownership | May 29, 2026 | May 27, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | Mar 27, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 13, 2026 | Mar 11, 2026 |
| 4 | Insider transaction | Mar 13, 2026 | Mar 11, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 17, 2026 | — |
| 4 | Insider transaction | Feb 3, 2026 | Feb 2, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 4 | Insider transaction | Oct 31, 2025 | Oct 29, 2025 |
| 3 | Initial insider ownership | Oct 31, 2025 | Oct 29, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 29, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2025 | — |
| 4 | Insider transaction | Aug 4, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Jul 30, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Jul 30, 2025 | Jul 29, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 7, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 15, 2025 | — |
| 4 | Insider transaction | Mar 13, 2025 | Mar 11, 2025 |
| 4 | Insider transaction | Mar 13, 2025 | Mar 11, 2025 |
| 4 | Insider transaction | Mar 13, 2025 | Mar 11, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 5, 2025 | — |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 6, 2025 | — |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 17, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 4 | Insider transaction | Oct 25, 2024 | Oct 24, 2024 |
| 4 | Insider transaction | Oct 25, 2024 | Oct 24, 2024 |
| 4 | Insider transaction | Sep 27, 2024 | Sep 26, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 27, 2024 | — |
| 4 | Insider transaction | Sep 4, 2024 | Sep 3, 2024 |
| 3 | Initial insider ownership | Sep 4, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 20, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 20, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 2, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 2, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | Apr 18, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Apr 18, 2024 | Apr 16, 2024 |
| SC 13G | Ownership over 5% (passive) | Apr 11, 2024 | — |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 12, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 12, 2024 |
| 144 | Notice of proposed sale | Mar 13, 2024 | — |
| 144 | Notice of proposed sale | Mar 13, 2024 | — |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 3 | Initial insider ownership | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 19, 2024 |
| 4 | Insider transaction | Jan 23, 2024 | Jan 19, 2024 |
| 4 | Insider transaction | Jan 4, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 4, 2024 | Jan 2, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 2, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 2, 2024 | — |
| 4 | Insider transaction | Dec 15, 2023 | Dec 13, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 13, 2023 |
| 144 | Notice of proposed sale | Dec 13, 2023 | — |
| 144 | Notice of proposed sale | Dec 13, 2023 | — |
| 4 | Insider transaction | Nov 2, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Nov 2, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Nov 2, 2023 | Nov 1, 2023 |
| 3 | Initial insider ownership | Oct 27, 2023 | Oct 26, 2023 |
| 4 | Insider transaction | Sep 20, 2023 | Sep 18, 2023 |
| 3 | Initial insider ownership | Sep 20, 2023 | Sep 18, 2023 |
| SC 13G | Ownership over 5% (passive) | Aug 28, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Aug 25, 2023 | — |
| 4/A | Form 4/a | Aug 24, 2023 | Aug 1, 2023 |
| 4 | Insider transaction | Aug 3, 2023 | Aug 1, 2023 |
| 4 | Insider transaction | Aug 3, 2023 | Aug 1, 2023 |
| 4 | Insider transaction | Aug 3, 2023 | Aug 1, 2023 |
| 4 | Insider transaction | Aug 3, 2023 | Aug 1, 2023 |
| 4 | Insider transaction | Jun 6, 2023 | Jun 2, 2023 |
| 4 | Insider transaction | Jun 6, 2023 | Jun 2, 2023 |
| 4 | Insider transaction | Jun 6, 2023 | Jun 2, 2023 |
| 4 | Insider transaction | Jun 6, 2023 | Jun 2, 2023 |
| 4 | Insider transaction | Jun 6, 2023 | Jun 2, 2023 |
| 4 | Insider transaction | Jun 6, 2023 | Jun 2, 2023 |
| 4 | Insider transaction | Jun 6, 2023 | Jun 2, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 2, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 2, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 2, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| 4 | Insider transaction | Feb 3, 2023 | Feb 2, 2023 |
| 4 | Insider transaction | Feb 3, 2023 | Dec 20, 2022 |
| 4 | Insider transaction | Feb 3, 2023 | Feb 2, 2023 |
| 4 | Insider transaction | Feb 3, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 3, 2023 | Dec 20, 2022 |
| 4 | Insider transaction | Feb 3, 2023 | Feb 2, 2023 |
| 4 | Insider transaction | Aug 3, 2022 | Aug 1, 2022 |
| 3 | Initial insider ownership | Aug 3, 2022 | Aug 1, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 16, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 16, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 16, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 16, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 16, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 16, 2022 |
| 4 | Insider transaction | Apr 19, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Apr 19, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Apr 6, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Mar 31, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Mar 31, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Mar 31, 2022 | Mar 29, 2022 |
| 4 | Insider transaction | Mar 31, 2022 | Mar 29, 2022 |
| 3 | Initial insider ownership | Feb 28, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 1, 2022 |
| 3 | Initial insider ownership | Feb 15, 2022 | Feb 1, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Jan 3, 2022 | Jan 1, 2022 |
| SC 13G | Ownership over 5% (passive) | Dec 2, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 1, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 29, 2021 | — |
| SC 13D | Ownership over 5% (active) | May 24, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2021 | — |
Showing 179 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- CMPS (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- United Kingdom
- Headquarters
- Chesire, United Kingdom
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1816590
- Former names
- Compass Rx Ltd. (until Aug 10, 2020)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.