Absci CEO has 23,293 shares withheld for taxes

The issuer withheld shares for tax obligations tied to restricted stock unit vesting, leaving McClain with 8,632,262 reported direct shares.

Rhea-AI Filing Summary

Absci Corp (ABSI) Chief Executive Officer and director Sean McClain had 23,293 common shares withheld by the issuer on October 12, 2026. The shares covered a tax withholding obligation connected with restricted stock unit vesting; the transaction was not a discretionary trade. McClain's reported direct common-stock holdings following the transaction were 8,632,262 shares. The transaction row reports a price of $10.16 per share.

Insider Trade Summary

Tax Withholding: 23,293 shares

Tax Withholding 1 txn

Insider McClain Sean

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	23,293	$10.16	$237K

Holdings After Transaction: Common Stock — 8,632,262 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Shares withheld: 23,293 shares Reported price per share: $10.16 per share Direct common-stock holdings following transaction: 8,632,262 shares

3 metrics

Shares withheld 23,293 shares October 12, 2026; tax withholding connected with restricted stock unit vesting

Reported price per share $10.16 per share October 12, 2026 withholding transaction

Direct common-stock holdings following transaction 8,632,262 shares Following the October 12, 2026 transaction

Key Terms

restricted stock units, tax withholding obligation, discretionary trade

3 terms

restricted stock units financial

"vesting of these restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligation financial

"cover the tax withholding obligation"

discretionary trade financial

"does not represent a discretionary trade"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many ABSI shares were withheld from Sean McClain for taxes?

Absci Corp Chief Executive Officer and director Sean McClain had 23,293 shares withheld on October 12, 2026, to cover a tax withholding obligation connected with restricted stock unit vesting.

How many ABSI shares did Sean McClain hold after the withholding?

McClain's reported direct common-stock holdings following the transaction were 8,632,262 shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/14/2026 - 07:16 PM EDT Accepted by SEC EDGAR 10/14/2026 - 07:16 PM EDT Learn about SEC filing dates

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

McClain Sean

(Last) (First) (Middle)

C/O ABSCI CORPORATION

18105 SE MILL PLAIN BLVD

(Street)

VANCOUVER WASHINGTON 98683

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/12/2026

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

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

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

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	10/12/2026		F		23,293(1)	D	$10.16	8,632,262	D

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.

Remarks:

	/s/ Shelby Walker, attorney-in-fact	10/14/2026
	** 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.
* Form 4: SEC 1474 (03-26)