Absci Corp (ABSI) Insider Ownership

Historic Ownership Trends

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).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
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