SCHEDULE 13G/A 0001873003 XXXXXXXX LIVE 4 Common stock, par value, $0.0001 per share 09/30/2025 0001672688 Absci Corporation 00091E109 18105 SE Mill Plain Boulevard Vancouver WA 98683 Rule 13d-1(d) Sean McClain X1 11002709.00 0.00 8723173.00 0.00 11002709.00 N 7.2 IN (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. Absci Corporation 18105 SE Mill Plain Boulevard, Vancouver, WA, 98683 Sean McClain c/o Absci Corporation 18105 SE Mill Plain Boulevard Vancouver, WA 98683 United States Y 11,002,709 7.2 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. 0 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. 0 Y N Y Y Y Y N Sean McClain /s/ Shelby Walker 11/13/2025