Fattori Ruth A 4

What Happened Ruth A. Fattori, a director of Quantum-Si Inc. (QSI), was granted a derivative award for 251,185 shares on 2026-05-18. The filing reports an acquisition price of $0.00 (no cash paid) and lists the transaction as an award/grant (transaction code A). This is a compensation award rather than an open-market purchase or sale.

Key Details

• Transaction date: 2026-05-18; reported on Form 4 filed 2026-05-20 (timely within the 2-business-day window).
• Amount: 251,185 derivative shares; reported price $0.00; aggregate cash consideration $0 as disclosed.
• Shares owned after transaction: not specified in the provided excerpt of the filing.
• Footnote: The shares underlying this option (award) vest on the date of the issuer’s next regular annual stockholders meeting, subject to continued service.
• Transaction code: A = Award/Grant (derivative security).

Context This was a grant of derivative securities (likely stock awards or options) as part of compensation for a director role. Such grants typically vest over time or upon meeting service milestones and do not by themselves indicate buying or selling intent in the open market. There was no immediate sale or cash exercise reported.