As of May 30, 2026, the three largest insider holders of CMPS are Life Sciences N.V. Atai (TenPercentOwner, 6.91Mn shares), George Jay Goldsmith (Chief Executive Officer, 6.31Mn shares), Ekaterina Malievskaia (Chief Innovation Officer, 6.31Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Matthew A Owens | General Counsel Clo | 43,340 | 0 | 05 Feb, 2024 |
| Michael Falvey | Chief Financial Officer | 22,500 | 0 | 03 Feb, 2023 |
| David Y Norton | - | 20,356 | 0 | 31 Mar, 2022 |
| Annalisa Jenkins | - | 19,480 | 0 | 05 Aug, 2024 |
| Teri Loxam | Chief Financial Officer | 152,002 | 0 | 27 Mar, 2026 |
| Life Sciences N.V. Atai | - | 0 | 6,905,774 | 27 Sep, 2024 |
| George Jay Goldsmith | Chief Executive Officer | 3,155,122 | 3,152,848 | 25 Oct, 2024 |
| Ekaterina Malievskaia | Chief Innovation Officer | 3,152,848 | 3,155,122 | 25 Oct, 2024 |
| Guy Goodwin | Chief Medical Officer | 8,000 | 0 | 06 Apr, 2022 |
| Kabir Nath | Chief Executive Officer | 366,990 | 0 | 27 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 26 Mar, 2026 | Kabir Nath | Ordinary Shares | A | 175,000 | $0.00 | 366,990 | D | A |
| 26 Mar, 2026 | Guy Goodwin | Share Option (Right to Buy) | A | 55,000 | $0.00 | 55,000 | D | A |
| 26 Mar, 2026 | Teri Loxam | Ordinary Shares | A | 75,000 | $0.00 | 152,002 | D | A |
| 26 Mar, 2026 | Guy Goodwin | Share Option (Right to Buy) | A | 55,000 | $0.00 | 55,000 | D | A |
| 26 Mar, 2026 | Kabir Nath | Ordinary Shares | A | 175,000 | $0.00 | 366,990 | D | A |
| 26 Mar, 2026 | Guy Goodwin | Share Option (Right to Buy) | A | 115,600 | $0.00 | 115,600 | D | A |
| 26 Mar, 2026 | Kabir Nath | Share Option (Right to Buy) | A | 367,815 | $0.00 | 367,815 | D | A |
| 26 Mar, 2026 | Kabir Nath | Share Option (Right to Buy) | A | 367,815 | $0.00 | 367,815 | D | A |
| 26 Mar, 2026 | Teri Loxam | Share Option (Right to Buy) | A | 157,635 | $0.00 | 157,635 | D | A |
| 26 Mar, 2026 | Guy Goodwin | Share Option (Right to Buy) | A | 115,600 | $0.00 | 115,600 | D | A |
| 11 Mar, 2026 | Teri Loxam | Ordinary Shares | D | 1,781 | $6.89 | 77,002 | D | F |
| 11 Mar, 2026 | Kabir Nath | Ordinary Shares | D | 13,131 | $6.89 | 191,990 | D | F |
| 11 Mar, 2026 | Kabir Nath | Ordinary Shares | D | 13,131 | $6.89 | 191,990 | D | F |
| 02 Mar, 2026 | Teri Loxam | Ordinary Shares | D | 4,467 | $7.02 | 78,783 | D | F |
| 02 Feb, 2026 | Kabir Nath | Ordinary Shares | D | 16,181 | $6.61 | 205,121 | D | F |
| 02 Feb, 2026 | Kabir Nath | Ordinary Shares | D | 16,181 | $6.61 | 205,121 | D | F |
| 29 Oct, 2025 | Jeffrey M Jonas | Share Option (Right to Buy) | A | 52,000 | $0.00 | 52,000 | D | A |
| 01 Aug, 2025 | Kabir Nath | Ordinary Shares | D | 6,366 | $4.34 | 221,302 | D | F |
| 01 Aug, 2025 | Kabir Nath | Ordinary Shares | D | 6,366 | $4.34 | 221,302 | D | F |
| 29 Jul, 2025 | Justin D. Gover | Share Option (Right to Buy) | A | 52,000 | $0.00 | 52,000 | D | A |