Officer Bennett Todd C. Sells Quantum-Si Inc Shares to Cover Tax Withholding

Bennett Todd C., an officer at Quantum-Si Inc, sold 36,964 shares of Class A Common Stock to cover tax withholding obligations related to the vesting of restricted stock units. The shares were sold on September 22 and 23, 2025, with aggregate proceeds of $61,315.88. The sale was mandated by the issuer's election to require the satisfaction of tax withholding obligations through a sell-to-cover transaction and does not represent a discretionary trade by the reporting person. The restricted stock units vested on September 17, 2024, and March 12, 2025, with 33,534 and 3,430 shares respectively. The transactions were facilitated by Morgan Stanley Smith Barney LLC.