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Absci (ABSI) director Joseph Sirosh awarded RSUs and 39,800-share option

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Absci Corp director Joseph Sirosh received new equity awards. He was granted 10,100 Restricted Stock Units, each representing one share of common stock, and a stock option for 39,800 shares at an exercise price of $7.34 per share.

The RSUs and options each vest in full on the earlier of the first anniversary of the grant date or Absci’s next annual stockholder meeting, as long as he continues serving the company. After the RSU grant, Sirosh directly holds 33,420 common shares, and he now also holds the new option award.

Positive

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Negative

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Insights

Routine director RSU and option grants, service-based vesting, neutral signal.

Absci granted director Joseph Sirosh 10,100 RSUs and a stock option over 39,800 shares at $7.34. Both awards vest in a single tranche after roughly one year or at the next annual meeting, contingent on continued board service.

These are standard board compensation structures, paid entirely in equity with no cash outlay from the director at grant. There are no open‑market purchases or sales here, so the filing reflects routine compensation rather than an active bullish or bearish trading view.

Insider Sirosh Joseph
Role null
Type Security Shares Price Value
Grant/Award Stock Option (right to buy) 39,800 $0.00 --
Grant/Award Common Stock 10,100 $0.00 --
Holdings After Transaction: Stock Option (right to buy) — 39,800 shares (Direct, null); Common Stock — 33,420 shares (Direct, null)
Footnotes (1)
  1. The shares reported in this transaction represent Restricted Stock Units ("RSUs") issued under the Absci Corporation 2021 Stock Option and Incentive Plan. Each RSU represents the contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest and be settled in full on the earlier of (i) the first anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continuous service to the Issuer through such date. The shares subject to this option vest and become exercisable in full on the earlier of (i) the first anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continuous service to the Issuer through such date.
RSU grant size 10,100 shares Restricted Stock Units granted to director on June 4, 2026
Stock option grant size 39,800 shares Option over common stock granted on June 4, 2026
Option exercise price $7.34 per share Stock option strike price for 39,800 shares
Shares held after RSU grant 33,420 shares Director’s direct common stock holdings following grant
Option expiration date June 3, 2036 Expiration of 39,800-share stock option
RSU vesting condition Earlier of 1-year anniversary or next annual meeting Subject to continuous service through vesting date
Option vesting condition Earlier of 1-year anniversary or next annual meeting Option becomes fully exercisable at that time
Restricted Stock Units financial
"The shares reported in this transaction represent Restricted Stock Units ("RSUs") issued under the Absci Corporation 2021 Stock Option and Incentive Plan."
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.
RSUs financial
"Each RSU represents the contingent right to receive one share of the Issuer's Common Stock."
RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.
Stock Option (right to buy) financial
"The shares subject to this option vest and become exercisable in full on the earlier of (i) the first anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders."
exercise price financial
"conversion_or_exercise_price": "7.3400""
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
vest and be settled in full financial
"The RSUs shall vest and be settled in full on the earlier of (i) the first anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders."
continuous service financial
"subject to the Reporting Person's continuous service to the Issuer through such date."
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SEC Form 4
FORM 4UNITED 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*
Sirosh Joseph

(Last)(First)(Middle)
C/O ABSCI CORPORATION
18105 SE MILL PLAIN BOULEVARD

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/04/2026A10,100(1)A$033,420D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (right to buy)$7.3406/04/2026A39,800 (2)06/03/2036Common Stock39,800$039,800D
Explanation of Responses:
1. The shares reported in this transaction represent Restricted Stock Units ("RSUs") issued under the Absci Corporation 2021 Stock Option and Incentive Plan. Each RSU represents the contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest and be settled in full on the earlier of (i) the first anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continuous service to the Issuer through such date.
2. The shares subject to this option vest and become exercisable in full on the earlier of (i) the first anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continuous service to the Issuer through such date.
Remarks:
/s/ Shelby Walker, attorney-in-fact06/08/2026
** Signature of Reporting PersonDate
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)

FAQ

What equity awards did Absci (ABSI) director Joseph Sirosh receive?

Director Joseph Sirosh received 10,100 Restricted Stock Units and a stock option for 39,800 shares of Absci common stock. The option has a strike price of $7.34 per share and both awards are part of his board compensation.

How do Joseph Sirosh’s new RSUs at Absci (ABSI) vest?

The 10,100 RSUs granted to Joseph Sirosh vest and settle in full on the earlier of the first anniversary of the grant date or Absci’s next annual stockholders’ meeting, provided he continues to serve the company through that date.

What are the key terms of Joseph Sirosh’s new stock option at Absci (ABSI)?

Joseph Sirosh received a stock option covering 39,800 Absci common shares at an exercise price of $7.34 per share. The option vests in full on the earlier of the first anniversary of grant or the next annual meeting and expires on June 3, 2036.

Did Joseph Sirosh buy or sell Absci (ABSI) shares in this Form 4?

No open‑market buying or selling occurred. The Form 4 reports equity compensation grants: 10,100 RSUs and a stock option for 39,800 shares. These awards were granted at no cash cost and depend on his continued service, not trading decisions.

How many Absci (ABSI) shares does Joseph Sirosh own after the RSU grant?

After the reported RSU grant, Joseph Sirosh directly holds 33,420 shares of Absci common stock. This figure reflects his direct non‑derivative holdings reported following the transaction and excludes the separate stock option award over 39,800 shares.