As of April 17, 2026, the three largest insider holders of BCYC are Bros. Advisors Lp Baker (Director, 10.02Mn shares), Kate Bingham (Director, 1.87Mn shares), Kate Bingham (Director, 1.87Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Bros. Advisors Lp Baker | - | 0 | 10,018,674 | 06 Jan, 2026 |
| Kate Bingham | - | 0 | 1,870,379 | 20 Jul, 2021 |
| Kate Bingham | - | 0 | 1,870,379 | 20 Jul, 2021 |
| Kevin Lee | Chief Executive Officer | 618,996 | 0 | 06 Jan, 2026 |
| Kevin Lee | Chief Executive Officer | 611,313 | 0 | 06 Apr, 2026 |
| Gregory Paul Winter | - | 196,427 | 0 | 06 Jan, 2026 |
| Gregory Paul Winter | - | 196,427 | 0 | 06 Jan, 2026 |
| Michael Skynner | Chief Scientific Officer | 159,562 | 0 | 06 Apr, 2026 |
| Alistair Milnes | Chief Operating Officer | 136,717 | 0 | 06 Jan, 2026 |
| Alistair Milnes | Chief Operating Officer | 136,717 | 0 | 06 Jan, 2026 |
| Michael Charles Ferguson Hannay | Chief Prod Supply Chain Off | 96,136 | 0 | 06 Apr, 2026 |
| Jennifer Scott Perry | Chief Operating Officer | 92,464 | 0 | 06 Apr, 2026 |
| Alethia Young | Chief Financial Officer | 87,081 | 0 | 06 Jan, 2026 |
| Alethia Young | Chief Financial Officer | 87,081 | 0 | 06 Jan, 2026 |
| Santiago Arroyo | Chief Development Officer | 69,057 | 0 | 06 Jan, 2025 |
| Travis Alvin Thompson | Chief Financial Officer | 65,364 | 0 | 06 Apr, 2026 |
| Nicholas Keen | Chief Scientific Officer | 62,024 | 0 | 08 Jul, 2024 |
| Nicholas Keen | Chief Scientific Officer | 62,024 | 0 | 08 Jul, 2024 |
| Nigel Crockett | Chief Business Officer | 51,053 | 0 | 06 Jan, 2025 |
| Nigel Crockett | Chief Business Officer | 51,053 | 0 | 06 Jan, 2025 |
| Pierre Legault | - | 46,000 | 0 | 06 Jan, 2025 |
| Pierre Legault | - | 46,000 | 0 | 06 Jan, 2025 |
| Dominic Smethurst | Chief Medical Officer | 36,699 | 0 | 05 Jan, 2023 |
| Dominic Smethurst | Chief Medical Officer | 36,699 | 0 | 05 Jan, 2023 |
| Janice Bourque | - | 32,500 | 0 | 06 Jan, 2026 |
| Janice Bourque | - | 32,500 | 0 | 06 Jan, 2026 |
| Jose-Carlos Gutierrez-Ramos | - | 32,500 | 0 | 06 Jan, 2026 |
| Jose-Carlos Gutierrez-Ramos | - | 32,500 | 0 | 06 Jan, 2026 |
| Lee Kalowski | President And Cfo | 30,309 | 0 | 05 Apr, 2023 |
| Lee Kalowski | President And Cfo | 30,309 | 0 | 05 Apr, 2023 |
| Stephen H. Sands | - | 26,893 | 0 | 06 Jan, 2026 |
| Stephen H. Sands | - | 26,893 | 0 | 06 Jan, 2026 |
| Richard N Kender | - | 23,000 | 0 | 06 Jan, 2025 |
| Richard N Kender | - | 23,000 | 0 | 06 Jan, 2025 |
| Alessandro Riva | - | 19,880 | 0 | 06 Jan, 2026 |
| Alessandro Riva | - | 19,880 | 0 | 06 Jan, 2026 |
| Robert Charles Swanton | - | 19,213 | 0 | 06 Jan, 2026 |
| Robert Charles Swanton | - | 19,213 | 0 | 06 Jan, 2026 |
| Veronica Gh Jordan | - | 16,750 | 0 | 04 Jan, 2024 |
| Veronica Gh Jordan | - | 16,750 | 0 | 04 Jan, 2024 |
| Herve Hoppenot | - | 15,532 | 0 | 06 Jan, 2026 |
| Roger D Dansey | - | 15,532 | 0 | 06 Jan, 2026 |
| Herve Hoppenot | - | 15,532 | 0 | 06 Jan, 2026 |
| Roger D Dansey | - | 15,532 | 0 | 06 Jan, 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 |
|---|---|---|---|---|---|---|---|---|
| 02 Apr, 2026 | Michael Skynner | Ordinary Shares | D | 1,879 | $4.91 | 160,087 | D | S |
| 02 Apr, 2026 | Travis Alvin Thompson | Ordinary Shares | D | 799 | $4.91 | 65,466 | D | S |
| 02 Apr, 2026 | Kevin Lee | Ordinary Shares | D | 5,967 | $4.91 | 613,029 | D | S |
| 02 Apr, 2026 | Jennifer Scott Perry | Ordinary Shares | D | 1,038 | $4.91 | 92,834 | D | S |
| 02 Apr, 2026 | Michael Charles Ferguson Hannay | Ordinary Shares | D | 1,521 | $4.91 | 96,387 | D | S |
| 06 Apr, 2026 | Kevin Lee | Ordinary Shares | D | 1,716 | $5.05 | 611,313 | D | S |
| 06 Apr, 2026 | Michael Charles Ferguson Hannay | Ordinary Shares | D | 251 | $5.05 | 96,136 | D | S |
| 06 Apr, 2026 | Michael Skynner | Ordinary Shares | D | 525 | $5.05 | 159,562 | D | S |
| 06 Apr, 2026 | Jennifer Scott Perry | Ordinary Shares | D | 37 | $5.05 | 92,797 | D | S |
| 06 Apr, 2026 | Travis Alvin Thompson | Ordinary Shares | D | 102 | $5.05 | 65,364 | D | S |
| 06 Apr, 2026 | Jennifer Scott Perry | Ordinary Shares | D | 333 | $5.04 | 92,464 | D | S |
| 03 Feb, 2026 | Travis Alvin Thompson | Employee Stock Option (right to buy) | A | 58,000 | $0.00 | 58,000 | D | A |
| 02 Jan, 2026 | Robert Charles Swanton | Ordinary Shares | A | 3,726 | $0.00 | 19,213 | D | A |
| 02 Jan, 2026 | Stephen H. Sands | Ordinary Shares | A | 9,500 | $0.00 | 26,893 | D | A |
| 02 Jan, 2026 | Michael Charles Ferguson Hannay | Ordinary Shares | A | 50,000 | $0.00 | 103,102 | D | A |
| 02 Jan, 2026 | Gregory Paul Winter | Ordinary Shares | A | 9,500 | $0.00 | 196,427 | D | A |
| 02 Jan, 2026 | Alethia Young | Ordinary Shares | A | 50,000 | $0.00 | 94,704 | D | A |
| 02 Jan, 2026 | Travis Alvin Thompson | Ordinary Shares | A | 37,500 | $0.00 | 68,697 | D | A |
| 02 Jan, 2026 | Jose-Carlos Gutierrez-Ramos | Ordinary Shares | A | 9,500 | $0.00 | 32,500 | D | A |
| 02 Jan, 2026 | Michael Skynner | Ordinary Shares | A | 50,000 | $0.00 | 168,277 | D | A |