Through the 90-day period concluding December 12, 2025, Absci's top three insider stakeholders include Chief Executive Officer Sean Mcclain (8.36Mn shares), CFO / Cbo Zachariah Jonasson (401.03K shares), Chief Innovation Officer Andreas Busch (324.17K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Venture Partners Ii Lp Phoenix | 11,279,522 | 28 May, 2024 | |
| Sean Mcclain | Chief Executive Officer | 8,361,328 | 14 Oct, 2025 |
| Group, Llc Redmile | 8,262,136 | 14 Jun, 2024 | |
| Partners Master Fund, L.P. Casdin | 7,718,593 | 28 Jul, 2021 | |
| Eli Casdin | 973,260 | 28 Jul, 2021 | |
| Andreas Pihl | Chief Operating Officer | 607,937 | 28 Jul, 2021 |
| Gregory T Schiffman | Chief Financial Officer | 605,165 | 24 Oct, 2022 |
| Zachariah Jonasson | CFO / Cbo | 401,034 | 01 Dec, 2025 |
| Andreas Busch | Chief Innovation Officer | 324,172 | 14 Oct, 2025 |
| Todd Bedrick | SVP And Cao | 161,283 | 14 Oct, 2025 |
| Menelas N Pangalos | 113,960 | 24 Sep, 2025 | |
| Houten Frans Van | 63,320 | 09 Dec, 2025 | |
| Shelby J. Walker | Chief Legal Officer | 59,300 | 04 Mar, 2025 |
| Karen K Mcginnis | 38,320 | 12 Jun, 2025 | |
| Joseph Sirosh | 23,320 | 12 Jun, 2025 | |
| Daniel A Rabinovitsj | 23,320 | 12 Jun, 2025 | |
| Sarah Korman | General Counsel | 14,250 | 10 Feb, 2022 |
| Amrit Nagpal | 8,820 | 14 Jun, 2024 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 05 Dec, 2025 | Houten Frans Van | Common Stock | A | 40,000 | $3.72 | 63,320 | D | P |
| 30 Nov, 2025 | Zachariah Jonasson | Common Stock | D | 8,320 | $3.17 | 401,034 | D | F |
| 14 Oct, 2025 | Andreas Busch | Common Stock | D | 3,092 | $3.68 | 324,172 | D | F |
| 14 Oct, 2025 | Sean Mcclain | Common Stock | D | 23,293 | $3.68 | 8,361,328 | D | F |
| 14 Oct, 2025 | Zachariah Jonasson | Common Stock | D | 387 | $3.68 | 409,354 | D | F |
| 14 Oct, 2025 | Todd Bedrick | Common Stock | D | 21,950 | $3.68 | 161,283 | D | F |
| 22 Sep, 2025 | Menelas N Pangalos | Common Stock | A | 95,785 | $2.66 | 113,960 | D | P |
| 22 Sep, 2025 | Todd Bedrick | Common Stock | A | 10,000 | $2.70 | 180,428 | D | P |
| 22 Sep, 2025 | Menelas N Pangalos | - | - | 113,960 | D | |||
| 31 Aug, 2025 | Zachariah Jonasson | Common Stock | D | 8,319 | $2.39 | 409,741 | D | F |
| 28 Jul, 2025 | Andreas Busch | Common Stock | A | 50,000 | $3.04 | 327,264 | D | P |
| 11 Jun, 2025 | Karen K Mcginnis | Common Stock | A | 14,500 | $0.00 | 38,320 | D | A |
| 11 Jun, 2025 | Daniel A Rabinovitsj | Common Stock | A | 14,500 | $0.00 | 23,320 | D | A |
| 11 Jun, 2025 | Joseph Sirosh | Common Stock | A | 14,500 | $0.00 | 23,320 | D | A |
| 11 Jun, 2025 | Menelas N Pangalos | Common Stock | A | 14,500 | $0.00 | 18,175 | D | A |
| 11 Jun, 2025 | Houten Frans Van | Common Stock | A | 14,500 | $0.00 | 23,320 | D | A |
| 11 Jun, 2025 | Karen K Mcginnis | - | - | 38,320 | D | |||
| 31 May, 2025 | Zachariah Jonasson | Common Stock | D | 5,194 | $2.65 | 418,060 | D | F |
| 03 Mar, 2025 | Shelby J. Walker | Common Stock | A | 59,300 | $0.00 | 59,300 | D | A |
| 03 Mar, 2025 | Todd Bedrick | Common Stock | A | 29,700 | $0.00 | 167,827 | D | A |