Sean McClain, Chief Executive Officer and Director of Absci Corp, filed a statement of changes in beneficial ownership on October 30, 2026, reporting a disposition of 79,860 shares of common stock on October 29, 2026, related to a tax withholding event tied to the vesting of performance-based restricted stock units.

Key Highlights

  • Reporting person: Sean McClain, Chief Executive Officer and Director of Absci Corp (NASDAQ:ABSI)
  • Transaction date: October 29, 2026, with the filing submitted on October 30, 2026
  • Shares disposed: 79,860 shares of common stock withheld by the issuer at a price of $12.10 per share
  • Purpose of disposition: Shares were withheld to cover tax withholding obligations upon vesting of 200,000 performance-based RSUs, triggered by the stock achieving a closing price at or exceeding $12.00 per share
  • Remaining ownership: 8,552,402 shares of common stock beneficially owned directly following the transaction
  • Transaction code: F, indicating a disposition to the issuer for tax withholding, not a discretionary open-market sale

Sean McClain's RSU Vesting Event at Absci Corp

According to the filing, the 79,860 shares reported as disposed were not sold in the open market by McClain. Instead, the filing states that the amount "represents the number of shares withheld by the Issuer to cover the tax withholding obligation in connection with the vesting of 200,000 performance-based RSUs upon achievement of a closing stock price equal to or exceeding $12.00 per share." The filing further notes that the event "does not represent a discretionary trade by the Reporting Person."

Absci Corp is an artificial intelligence drug design company. The performance-based RSU award that triggered this withholding event was previously disclosed in a Form 4 filed on March 21, 2024, according to the filing's footnotes. The transaction code used is "F," which under SEC reporting conventions designates shares withheld by the issuer for taxes upon the vesting of equity awards, distinguishing it from a market sale. Following the withholding, McClain directly holds 8,552,402 shares of Absci Corp common stock. No derivative securities transactions were reported in Table II of this filing.

The filing was signed by Shelby Walker as attorney-in-fact on October 30, 2026, on behalf of McClain. The ownership form for the remaining shares is listed as direct, with no indirect beneficial ownership positions disclosed in connection with this transaction.

What Was Disclosed

Absci Corp CEO Sean McClain reported a withholding of 79,860 shares of common stock at $12.10 per share on October 29, 2026, to satisfy tax obligations from the vesting of 200,000 performance-based RSUs. His direct beneficial ownership following the event stands at 8,552,402 shares.