# EDGAR Filing Document

**Accession Number:** 0001672688
**File Stem:** 0001672688-25-000090
**Filing Date:** 2025-11
**Character Count:** 9341
**Document Hash:** 0ce205525017b0287ee59470d6edd86f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001672688-25-000090.hdr.sgml**: 20251113

**ACCESSION NUMBER**: 0001672688-25-000090

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251113

**DATE AS OF CHANGE**: 20251113

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Absci Corp
- **CENTRAL INDEX KEY:** 0001672688
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 853383487
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-92724
- **FILM NUMBER:** 251479721

**BUSINESS ADDRESS:**
- **STREET 1:** 18105 SE MILL PLAIN BLVD
- **CITY:** VANCOUVER
- **STATE:** WA
- **ZIP:** 98683
- **BUSINESS PHONE:** (360) 949-1041

**MAIL ADDRESS:**
- **STREET 1:** 18105 SE MILL PLAIN BLVD
- **CITY:** VANCOUVER
- **STATE:** WA
- **ZIP:** 98683

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AbSci Corp
- **DATE OF NAME CHANGE:** 20201026

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AbSci, Inc.
- **DATE OF NAME CHANGE:** 20201026

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AbSci, LLC
- **DATE OF NAME CHANGE:** 20160420
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** McClain Sean
- **CENTRAL INDEX KEY:** 0001873003

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**MAIL ADDRESS:**
- **STREET 1:** 18105 SE MILL PLAIN BLVD
- **STREET 2:** SUITE 350
- **CITY:** VANCOUVER
- **STATE:** WA
- **ZIP:** 98683

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 4)**

**Issuer:** Absci Corporation

**Title of Class of Securities:** Common stock, par value, $0.0001 per share

**CUSIP Number:** 00091E109

**Date of Event Which Requires Filing of this Statement:** 09/30/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [ ] Rule 13d-1(c)

- [x] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Sean McClain | Names of Reporting Persons<br>Sean McClain |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>11002709.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>8723173.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>11002709.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>11002709.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>7.2% | Percent of Class Represented by Amount in Row (9)<br>7.2% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** (5)Consists of (i) 6,456,420 shares of common stock held of record by Sean McClain (the "Reporting Person"), (ii) 2,269,987 shares of common stock held by Brittany McClain, which shares 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, (iii) 2,266,753 shares of common stock subject to options exercisable by the Reporting Person within 60 days of September 30, 2025, and (iv) 9,549 shares of common stock subject to options exercisable by Brittany McClain within 60 days of September 30, 2025, which are subject to a voting agreement proxy pursuant to which the Reporting Person is entitled to vote such shares on all matters presented to the Issuer's stockholders for approval.
(7)Consists of (i) 6,456,420 shares of common stock held of record by the Reporting Person and (ii) 2,266,753 shares of common stock subject to options exercisable within 60 days of September 30, 2025.
(11)Based on the quotient obtained by dividing (a) the aggregate amount beneficially owned by the Reporting Person as set forth in Row 9 by (b) the sum of (i) 149,746,035 shares of common stock outstanding as of September 30, 2025 and (ii) 2,276,302 shares of common stock subject to options exercisable within 60 days of September 30, 2025.

---

**Item 1(a). Name of Issuer:**
Absci Corporation

**Item 1(b). Address of Issuer's Principal Executive Offices:**
18105 SE Mill Plain Boulevard, Vancouver, WA, 98683

**Item 2(a). Name of Person Filing:**
Sean McClain

**Item 2(b). Address of Principal Business Office:**
c/o Absci Corporation
18105 SE Mill Plain Boulevard
Vancouver, WA 98683

**Item 2(c). Citizenship:**
United States

**Item 2(d). Title of Class of Securities:**
Common stock, par value, $0.0001 per share

**Item 2(e). CUSIP Number:**
00091E109

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

11,002,709

**(b) Percent of class:**

7.2

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

11,002,709
Consists of (i) 6,456,420 shares of common stock held of record by Sean McClain (the "Reporting Person"), (ii) 2,269,987 shares of common stock held by Brittany McClain, which shares 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, (iii) 2,266,753 shares of common stock subject to options exercisable by the Reporting Person within 60 days of September 30, 2025, and (iv) 9,549 shares of common stock subject to options exercisable by Brittany McClain within 60 days of September 30, 2025, which are subject to a voting agreement proxy pursuant to which the Reporting Person is entitled to vote such shares on all matters presented to the Issuer's stockholders for approval.

**(ii) Shared power to vote or to direct the vote:**

0

**(iii) Sole power to dispose or to direct the disposition of:**

8,723,173
Consists of (i) 6,456,420 shares of common stock held of record by the Reporting Person and (ii) 2,266,753 shares of common stock subject to options exercisable within 60 days of September 30, 2025.

**(iv) Shared power to dispose or to direct the disposition of:**

0

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

—

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Sean McClain**

**Date:** 11/13/2025

**By:** /s/ Shelby Walker

**Name & Title:** Shelby Walker, Attorney-in-fact for Sean McClain