Form 4: Quantum-Si CFO Sells Shares to Cover Mandatory Tax Obligations

Quantum-Si Inc.'s Chief Financial Officer, Jeffry R. Keyes, sold 8,624 shares of Class A Common Stock for $1.6139 per share to cover mandatory tax withholding on vested restricted stock units.

Summary

• Jeffry R. Keyes, the Chief Financial Officer of Quantum-Si Inc. (QSI), reported a transaction involving the sale of company stock.
• The transaction, which occurred on June 23, 2025, involved the disposition of 8,624 shares of Class A Common Stock.
• The shares were sold at a weighted average price of $1.6139 per share, with individual sales ranging from $1.55 to $1.68 per share.
• This sale was executed pursuant to a mandatory 'sell-to-cover' provision to satisfy required federal, state, and local withholding taxes associated with the vesting of previously granted restricted stock units.
• Mr. Keyes is unable to alter this mandatory sell-to-cover provision, which was enacted at the grant date of the related restricted stock unit award.
• Following this reported transaction, Mr. Keyes beneficially owns 1,179,570 shares of Class A Common Stock.

Sentiment

Score: 5

Explanation: The transaction is a routine, mandatory tax-related sale of shares by an insider, which is neutral in terms of company performance or outlook and does not indicate a change in management's confidence.

Future Outlook

N/A. This Form 4 filing reports a past insider transaction and does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.

Management Comments

• "Represents shares sold pursuant to a mandatory Quantum-Si sell-to-cover provision for required federal, state and local withholding taxes in connection with the vesting of previously granted restricted stock units."
• "Individual is not able to alter this mandatory sell-to-cover provision that is enacted at the grant date of the related restricted stock unit award."

Industry Context

This filing is a routine insider transaction related to executive compensation and does not provide information relevant to broader industry trends, competitive landscape, or the company's operational performance within its sector.

Related Party Transactions

• The transaction involves the sale of shares by Jeffry R. Keyes, the Chief Financial Officer, which is a related party transaction. However, it is a mandatory 'sell-to-cover' provision for tax obligations on vested equity awards, a standard and pre-determined practice for executive compensation.

Stakeholder Impact

• Shareholders: The sale of 8,624 shares by the CFO is a relatively small transaction in the context of total outstanding shares and is for tax purposes, thus having minimal direct impact on shareholder value or perception.
• Employees: No direct impact on employees beyond the CFO's compensation structure, which includes equity awards.

Key Dates

Keywords

Quantum-Si Inc., QSI, SEC Form 4, Insider Transaction, Stock Sale, Jeffry R. Keyes, Chief Financial Officer, Restricted Stock Units, Tax Withholding