As of April 11, 2026, the three largest insider holders of CMPS are Life Sciences N.V. Atai (TenPercentOwner, 6.91Mn shares), Ekaterina Malievskaia (Chief Innovation Officer, 6.31Mn shares), George Jay Goldsmith (Chief Executive Officer, 6.31Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Life Sciences N.V. Atai | - | 0 | 6,905,774 | 27 Sep, 2024 |
| Ekaterina Malievskaia | Chief Innovation Officer | 3,152,848 | 3,155,122 | 25 Oct, 2024 |
| George Jay Goldsmith | Chief Executive Officer | 3,155,122 | 3,152,848 | 25 Oct, 2024 |
| Kabir Nath | Chief Executive Officer | 366,990 | 0 | 27 Mar, 2026 |
| 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 |
| Guy Goodwin | Chief Medical Officer | 8,000 | 0 | 06 Apr, 2022 |
* 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 | 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 | Teri Loxam | Share Option (Right to Buy) | A | 157,635 | $0.00 | 157,635 | D | A |
| 26 Mar, 2026 | Kabir Nath | Share Option (Right to Buy) | A | 367,815 | $0.00 | 367,815 | D | A |
| 26 Mar, 2026 | Guy Goodwin | Share Option (Right to Buy) | A | 115,600 | $0.00 | 115,600 | D | A |
| 11 Mar, 2026 | Kabir Nath | Ordinary Shares | D | 13,131 | $6.89 | 191,990 | D | F |
| 11 Mar, 2026 | Teri Loxam | Ordinary Shares | D | 1,781 | $6.89 | 77,002 | 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 |
| 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 |
| 29 Jul, 2025 | Justin D. Gover | Share Option (Right to Buy) | A | 52,000 | $0.00 | 52,000 | D | A |
| 12 Jun, 2025 | Annalisa Jenkins | Share Option (Right to Buy) | A | 26,000 | $0.00 | 26,000 | D | A |
| 12 Jun, 2025 | Daphne Karydas | Share Option (Right to Buy) | A | 26,000 | $0.00 | 26,000 | D | A |
| 12 Jun, 2025 | Robert Mcquade | Share Option (Right to Buy) | A | 26,000 | $0.00 | 26,000 | D | A |
| 12 Jun, 2025 | Thomas Lonngren | Share Option (Right to Buy) | A | 26,000 | $0.00 | 26,000 | D | A |
| 12 Jun, 2025 | Wayne Joseph Riley | Share Option (Right to Buy) | A | 26,000 | $0.00 | 26,000 | D | A |
| 12 Jun, 2025 | Linda Mcgoldrick | Share Option (Right to Buy) | A | 26,000 | $0.00 | 26,000 | D | A |
| 12 Jun, 2025 | David Y Norton | Share Option (Right to Buy) | A | 26,000 | $0.00 | 26,000 | D | A |