Barinthus Biotherapeutics's three largest insider shareholders as of March 23, 2026 are Sciences Innovation Plc Oxford (TenPercentOwner, 8.80Mn shares), William Enright (Chief Executive Officer, 1.26Mn shares), William Enright (Chief Executive Officer, 728.45K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Sciences Innovation Plc Oxford | 8,797,770 | 0 | 06 May, 2021 | |
| William Enright | Chief Executive Officer | 1,258,377 | 0 | 07 May, 2021 |
| William Enright | Chief Executive Officer | 0 | 728,454 | 29 Mar, 2023 |
| Graham Griffiths | Chief Business Officer | 104,209 | 0 | 26 Aug, 2022 |
| Robin Wright | 48,256 | 0 | 01 Jun, 2023 | |
| Joseph Scheeren | 23,000 | 0 | 28 Jun, 2023 | |
| Anne M. Phillips | 3,000 | 0 | 06 May, 2021 | |
| Alex Hammacher | 3,000 | 0 | 04 Apr, 2022 | |
| Christopher Ellis | Chief Operating Officer | 75 | 0 | 26 Aug, 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 |
|---|---|---|---|---|---|---|---|---|
| 10 Jun, 2025 | Joseph Scheeren | Share Option (Right to Buy) | A | 20,174 | $0.00 | 20,174 | D | A |
| 10 Jun, 2025 | Robin Wright | Share Option (Right to Buy) | A | 20,174 | $0.00 | 20,174 | D | A |
| 10 Jun, 2025 | Pierre A. Morgon | Share Option (Right to Buy) | A | 20,174 | $0.00 | 20,174 | D | A |
| 10 Jun, 2025 | Anne M. Phillips | Share Option (Right to Buy) | A | 20,174 | $0.00 | 20,174 | D | A |
| 10 Jun, 2025 | Karen A Dawes | Share Option (Right to Buy) | A | 20,174 | $0.00 | 20,174 | D | A |
| 10 Jun, 2025 | Alex Hammacher | Share Option (Right to Buy) | A | 20,174 | $0.00 | 20,174 | D | A |
| 03 Feb, 2025 | William Enright | Share Option (Right to Buy) | A | 600,000 | $0.00 | 600,000 | D | A |
| 03 Feb, 2025 | Graham Griffiths | Share Option (Right to Buy) | A | 200,000 | $0.00 | 200,000 | D | A |
| 03 Feb, 2025 | Gemma Brown | Share Option (Right to Buy) | A | 160,000 | $0.00 | 160,000 | D | A |
| 03 Feb, 2025 | Leon Hooftman | Share Option (Right to Buy) | A | 140,000 | $0.00 | 140,000 | D | A |
| 03 Jun, 2024 | Leon Hooftman | Share Option (Right to Buy) | A | 195,166 | $0.00 | 195,166 | D | A |
| 10 May, 2024 | Alex Hammacher | Share Option (Right to Buy) | A | 19,516 | $0.00 | 19,516 | D | A |
| 10 May, 2024 | Anne M. Phillips | Share Option (Right to Buy) | A | 19,516 | $0.00 | 19,516 | D | A |
| 10 May, 2024 | Robin Wright | Share Option (Right to Buy) | A | 19,516 | $0.00 | 19,516 | D | A |
| 10 May, 2024 | Joseph Scheeren | Share Option (Right to Buy) | A | 19,516 | $0.00 | 19,516 | D | A |
| 10 May, 2024 | Pierre A. Morgon | Share Option (Right to Buy) | A | 19,516 | $0.00 | 19,516 | D | A |
| 10 May, 2024 | Karen A Dawes | Share Option (Right to Buy) | A | 19,516 | $0.00 | 19,516 | D | A |
| 02 Jan, 2024 | William Enright | Share Option (Right to Buy) | A | 443,981 | $0.00 | 443,981 | D | A |
| 02 Jan, 2024 | Graham Griffiths | Share Option (Right to Buy) | A | 96,500 | $0.00 | 96,500 | D | A |
| 02 Jan, 2024 | Gemma Brown | Share Option (Right to Buy) | A | 193,000 | $0.00 | 193,000 | D | A |