Form 4: Quantum-Si CFO Sells Shares for Tax Obligations

Quantum-Si's Chief Financial Officer, Jeffry R. Keyes, sold 8,627 shares of Class A Common Stock to cover tax obligations related to vested restricted stock units.

Summary

• Jeffry R. Keyes, Chief Financial Officer of Quantum-Si Inc (QSI), reported a sale of Class A Common Stock.
• The transaction occurred on December 22, 2025.
• A total of 8,627 shares were sold at a weighted average price of $1.276 per share.
• The sales price ranged from $1.260 to $1.310 per share.
• The sale was a mandatory "sell-to-cover" provision to satisfy federal, state, and local withholding taxes associated with the vesting of previously granted restricted stock units.
• Following this transaction, Mr. Keyes beneficially owns 1,163,197 shares of Class A Common Stock.

Sentiment

Score: 5

Explanation: The transaction is a mandatory 'sell-to-cover' for tax obligations related to vested restricted stock units, which is a routine event and does not indicate a change in management's confidence or company fundamentals.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding the company's future outlook.

Industry Context

This insider transaction is a routine event for executives receiving equity compensation and does not reflect broader industry trends or competitive positioning.

Stakeholder Impact

• The sale of shares by the Chief Financial Officer is a routine event for tax purposes and is unlikely to have a significant direct impact on shareholders, employees, customers, suppliers, or creditors.

Key Dates

Recommendation

The reported transaction is a mandatory 'sell-to-cover' to satisfy tax obligations upon the vesting of restricted stock units. This is a common and non-discretionary event for executives and does not reflect a change in the company's fundamentals or the CFO's confidence in the company. Therefore, it does not warrant a change in investment recommendation based solely on this filing.

Keywords

Quantum-Si, QSI, Form 4, Insider Transaction, CFO, Stock Sale, Restricted Stock Units, Tax Obligations, Jeffry R. Keyes