Sean McClain - 02 Mar 2026 Form 4 Insider Report for Absci Corp (ABSI)

Role: Chief Executive Officer, Director
Signature: /s/ Shelby Walker, attorney-in-fact
Issuer symbol: ABSI
Transactions as of: 02 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 04 Mar 2026, 21:05:13 UTC
Previous filing: 25 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
McClain Sean	Chief Executive Officer, Director	C/O ABSCI CORPORATION, 18105 SE MILL PLAIN BLVD, VANCOUVER	/s/ Shelby Walker, attorney-in-fact	04 Mar 2026	0001873003

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ABSI	Common Stock	Award		+406,200	+4.9%	$0.000000^*	8,740,767	02 Mar 2026	Direct	F1
transaction	ABSI	Common Stock	Tax liability		-25,316	-0.29%	$2.80^*	8,715,451	03 Mar 2026	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ABSI	Stock Option (right to buy)	Award		+1,603,200		$0.000000^*	1,603,200	02 Mar 2026	Common Stock	1,603,200	$2.80	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The shares reported in this transaction represent Restricted Stock Units ("RSUs") issued under the Absci Corporation 2021 Stock Option and Incentive Plan. The RSUs shall vest and be settled in three substantially equal annual installments with the first such annual installment vesting on March 1, 2027, subject to the Reporting Person's continuous service to the Issuer on each such date.
F2	Amount reported represents the number of shares withheld by the Issuer to cover the tax withholding obligation in connection with the vesting of these restricted stock units and does not represent a discretionary trade by the reporting person.
F3	The shares subject to this option shall vest and become exercisable over a three year period, in substantially equal annual installments with the first such installment vesting on March 1, 2027, subject to the Reporting Person's continuous service to the Issuer on each such date.