Absci CFO has 387 shares withheld for vesting taxes

The reported direct position after the withholding was 484,918 shares, including 2,161 shares acquired through the employee stock purchase plan.

Rhea-AI Filing Summary

Absci Corp CFO / CBO Zachariah Jonasson had 387 common shares withheld at $10.16 per share on October 12, 2026, to cover the tax withholding obligation tied to vesting restricted stock units. The footnote states this was not a discretionary trade. He reported 484,918 shares held directly afterward, including 2,161 shares acquired through the Absci Corporation 2021 Employee Stock Purchase Plan on September 30, 2026.

Insider Trade Summary

Tax Withholding: 387 shares

Tax Withholding 1 txn

Insider Jonasson Zachariah

Role CFO / CBO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1, F2	387	$10.16	$4K

Holdings After Transaction: Common Stock — 484,918 shares (Direct)

Footnotes (2)

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.
2. F2. Includes 2,161 shares acquired under the Absci Corporation 2021 Employee Stock Purchase Plan on September 30, 2026.

Key Figures

Shares withheld: 387 shares Price per share: $10.16 per share Direct shares held after transaction: 484,918 shares +1 more

4 metrics

Shares withheld 387 shares October 12, 2026, for tax withholding tied to vesting restricted stock units

Price per share $10.16 per share Shares withheld on October 12, 2026

Direct shares held after transaction 484,918 shares After the October 12, 2026 transaction

Employee Stock Purchase Plan shares acquired 2,161 shares Acquired on September 30, 2026; included in the reported post-transaction holdings

Key Terms

restricted stock units, tax withholding obligation, Employee Stock Purchase Plan

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

"to cover the tax withholding obligation"

Employee Stock Purchase Plan financial

"Absci Corporation 2021 Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

FAQ

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

How many ABSI shares did CFO Zachariah Jonasson have withheld, and why?

On October 12, 2026, 387 shares were withheld to cover the tax withholding obligation connected with vesting restricted stock units. The footnote states the withholding did not represent a discretionary trade.

How many ABSI shares did Zachariah Jonasson hold after the withholding?

He reported 484,918 shares held directly after the transaction. That amount includes 2,161 shares acquired under the Absci Corporation 2021 Employee Stock Purchase Plan on September 30, 2026.

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

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Available on EDGAR 10/14/2026 - 07:15 PM EDT Accepted by SEC EDGAR 10/14/2026 - 07:14 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^*

Jonasson Zachariah

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO / CBO

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		387(1)	D	$10.16	484,918(2)	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.

2. Includes 2,161 shares acquired under the Absci Corporation 2021 Employee Stock Purchase Plan on September 30, 2026.

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)