Absci ABSI Insider Ownership

NASDAQ ABSI

$8.54 +0.29 (+3.52%)

At close: Oct 19, 2026 · 4:00 PM EDT

Insider Holdings by Owner

30.50Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026

Insider Ownership

6.04%

▼-0.0048% pp QoQ

Shares Held by Insiders

10.37Mn

filed for Sep 2026

▼-0.08% QoQ

Shares Outstanding

171.61Mn

171,614,010 shares

Direct Holdings

10.37Mn

Indirect: 0

Net Shares Traded (QoQ)

-8.32K

net selling in Sep 2026

Insiders Holding Shares

with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold

Latest quarter —

Net over range —

Buying quarters —

Insider Ownership Summary

Updated Oct 10, 2026

Over the trailing 12 months, ABSI insiders bought $933,174 worth of shares (265.45K shares) and sold $132,328 worth (44.26K shares) in open-market trades.

Counted by insider, open-market buying of ABSI stock in the past 12 months came from 4 insiders and selling from 2 insiders.
Among Absci's insiders, Menelas N. Pangalos (Director) was the largest open-market buyer over the past 12 months, purchasing $406,508 of stock (112.55K shares), most recently on May 13, 2026.
On the selling side, Sean McClain (Chief Executive Officer) was the top open-market seller of Absci over the past 12 months, with $80,015 sold (26.76K shares) and the latest sale on February 2, 2026.
Absci's latest insider trade on the open market was a purchase of 12.9K shares for $148,866 by Mary T. Szela (Director) on June 30, 2026.
Away from the open market, ABSI insiders received 720.8K shares in stock awards, acquired 396.4K shares through option exercises and conversions and gave up 510.81K shares to cover taxes or exercise prices over the last 12 months.
Business Quant data shows Absci insiders holding 10.37Mn shares in total in their latest Form 4 filings, down 0.08% from 10.38Mn shares at the end of Q2 2026.
All of the 10.37Mn shares held by Absci insiders are held directly, none through trusts, partnerships or other entities.
Per Business Quant, 11 insiders of ABSI hold shares, counting officers, directors and 10% owners who have filed a Form 4 in the past two years.
Absci's three biggest insider holders are Sean McClain (Chief Executive Officer, 8.66Mn shares), Zachariah Jonasson (CFO/CBO, 483.14K shares) and Andreas Busch (Chief Innovation Officer, 421.45K shares), based on their latest Form 4 filings.
Sean McClain alone accounts for 83.47% of the shares held by Absci insiders.
Institutions owned 88.24% of ABSI shares as of Q2 2026; insiders' latest Form 4 filings account for about 6.04%, leaving roughly 5.72% with other investors, including the public.
In the last 12 months, 39 Form 4 filings with transactions in ABSI stock came from 11 insiders.
The insider holdings and trades above for Absci reflect Form 4 filings through September 1, 2026.

Form 4 Holdings

Insiders Holding ABSI

Insiders 16

Shares held 30.50Mn

Of outstanding 17.77%

#	Insider	Position	Direct	Indirect	Total	Share of Insiders	Last Filed
1	Venture Partners Ii Lp Phoenix	TenPercentOwner	11,279,522	0	11,279,522	37.0%	28 May, 2024
2	Sean Mcclain	Chief Executive Officer	8,632,262	0	8,632,262	28.3%	14 Oct, 2026
3	Group, Llc Redmile	Director	0	8,262,136	8,262,136	27.1%	14 Jun, 2024
4	Gregory T Schiffman	Chief Financial Officer	605,165	0	605,165	2.0%	24 Oct, 2022
5	Zachariah Jonasson	Cfo / Cbo	484,918	0	484,918	1.6%	14 Oct, 2026
6	Andreas Busch	Chief Innovation Officer	421,446	0	421,446	1.4%	16 Mar, 2026
7	Menelas N Pangalos	Director	242,408	0	242,408	0.8%	08 Jun, 2026
8	Todd Bedrick	Svp, Cao	199,128	0	199,128	0.7%	14 Oct, 2026
9	Shelby J. Walker	Chief Legal Officer	139,775	0	139,775	0.5%	16 Mar, 2026
10	Houten Frans Van	Director	73,420	0	73,420	0.2%	08 Jun, 2026
11	Karen K Mcginnis	Director	48,420	0	48,420	0.2%	11 Jun, 2026
12	Joseph Sirosh	Director	33,420	0	33,420	0.1%	08 Jun, 2026
13	Daniel A Rabinovitsj	Director	33,420	0	33,420	0.1%	08 Jun, 2026
14	Mary T Szela	Director	21,300	0	21,300	0.1%	06 Jul, 2026
15	Sarah Korman	General Counsel	14,250	0	14,250	0.0%	10 Feb, 2022
16	Amrit Nagpal	Director	8,820	0	8,820	0.0%	14 Jun, 2024

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

221 Insider Transactions

Source SEC Form 4

Latest quarter Sep 2026

Date	Insider	Position	Transaction	Shares	Price	Value	Shares Held After	Ownership
12 Oct, 2026	Todd Bedrick	Svp, Cao	Disposed F	22,325	$10.16	$226.82K	199,128	Direct
12 Oct, 2026	Sean Mcclain	Chief Executive Officer	Disposed F	23,293	$10.16	$236.66K	8,632,262	Direct
12 Oct, 2026	Zachariah Jonasson	Cfo / Cbo	Disposed F	387	$10.16	$3.93K	484,918	Direct
31 Aug, 2026	Zachariah Jonasson	Cfo / Cbo	Disposed F	8,320	$8.71	$72.47K	483,144	Direct
30 Jun, 2026	Mary T Szela	Director	Acquired P	12,900	$11.54	$148.87K	21,300	Direct
24 Jun, 2026	Sean Mcclain	Chief Executive Officer	Disposed F	59,896	$10.08	$603.45K	8,655,555	Direct
04 Jun, 2026	Mary T Szela	Director	Acquired A	8,400	$0.00	$0	8,400	Direct
04 Jun, 2026	Mary T Szela	Director	Acquired A	33,200	$0.00	$0	33,200	Direct
04 Jun, 2026	Karen K Mcginnis	Director	Acquired A	10,100	$0.00	$0	48,420	Direct
04 Jun, 2026	Karen K Mcginnis	Director	Acquired A	39,800	$0.00	$0	39,800	Direct
04 Jun, 2026	Mary T Szela	Director	Acquired A	10,100	$0.00	$0	10,100	Direct
04 Jun, 2026	Menelas N Pangalos	Director	Acquired A	10,100	$0.00	$0	242,408	Direct
04 Jun, 2026	Houten Frans Van	Director	Acquired A	10,100	$0.00	$0	73,420	Direct
04 Jun, 2026	Daniel A Rabinovitsj	Director	Acquired A	10,100	$0.00	$0	33,420	Direct
04 Jun, 2026	Joseph Sirosh	Director	Acquired A	10,100	$0.00	$0	33,420	Direct
04 Jun, 2026	Menelas N Pangalos	Director	Acquired A	39,800	$0.00	$0	39,800	Direct
04 Jun, 2026	Mary T Szela	Director	Acquired A	39,800	$0.00	$0	39,800	Direct
04 Jun, 2026	Joseph Sirosh	Director	Acquired A	39,800	$0.00	$0	39,800	Direct
04 Jun, 2026	Houten Frans Van	Director	Acquired A	39,800	$0.00	$0	39,800	Direct
04 Jun, 2026	Daniel A Rabinovitsj	Director	Acquired A	39,800	$0.00	$0	39,800	Direct

Showing 1 to 20 of 221 transactions