ABSI insider filing: CEO reports RSU tax withholding (23,293)

Rhea-AI Filing Summary

Absci (ABSI) CEO and Director reported a routine tax withholding on restricted stock unit vesting. On 10/14/2025, 23,293 shares of common stock were withheld at $3.68 per share under transaction code F, which reflects shares withheld to satisfy taxes and not an open-market trade.

Following this event, the reporting person beneficially owned 8,361,328 shares directly. An additional 2,269,987 shares are held by Brittany McClain and are subject to a voting agreement and proxy that entitles the reporting person to vote those shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider McClain Sean

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	23,293	$3.68	$86K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 8,361,328 shares (Direct); Common Stock — 2,269,987 shares (Indirect, See footnote)

Footnotes (1)

1. 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. These shares are held by Brittany McClain and are subject to a voting agreement and proxy pursuant to which the Reporting Person is entitled to vote such shares on all matters presented to the Issuer's stockholders for approval. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

McClain Sean

(Last) (First) (Middle)

C/O ABSCI CORPORATION

18105 SE MILL PLAIN BLVD

(Street)

VANCOUVER WA 98683

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Absci Corp [ ABSI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/14/2025		F		23,293(1)	D	$3.68	8,361,328	D
Common Stock								2,269,987	I	See footnote(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

2. These shares are held by Brittany McClain and are subject to a voting agreement and proxy pursuant to which the Reporting Person is entitled to vote such shares on all matters presented to the Issuer's stockholders for approval. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

Remarks:

	/s/ Shelby Walker, attorney-in-fact	10/14/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did ABSI's Form 4 report?

The CEO and Director reported a tax withholding related to RSU vesting, with 23,293 shares withheld at $3.68 under code F.

Was this an open-market sale by ABSI’s CEO?

No. Footnote 1 states the shares were withheld to cover taxes on vesting and were not a discretionary trade.

How many shares does the reporting person own after the transaction?

Following the event, direct beneficial ownership was 8,361,328 shares.

What are the indirect shares noted for ABSI?

There are 2,269,987 shares held by Brittany McClain, subject to a voting agreement and proxy allowing the reporting person to vote them.

What does transaction code F mean on Form 4 for ABSI?

Code F indicates shares were withheld by the issuer to satisfy tax obligations upon RSU vesting.

What is the transaction date on ABSI’s Form 4?

The transaction date is 10/14/2025.