Todd C. Bennett - 22 Sep 2025 Form 4 Insider Report for Quantum-Si Inc (QSI)

Reporting relationship: Chief Commercial Officer
Issuer ticker: QSI
Reported as of: 22 Sep 2025
Net transaction value: -$61,316
SEC form: 4
Accepted by SEC: 24 Sep 2025, 18:31:40 UTC
Prior SEC filing: 14 Mar 2025
Source filing: View source filing
Reporting owner signature: /s/ Christian LaPointe, Ph.D., Attorney-in-Fact.

Key filing fact

Todd C. Bennett filed Form 4 for Quantum-Si Inc (QSI) on 24 Sep 2025.

Key facts

This page summarizes Todd C. Bennett's Form 4 filing for Quantum-Si Inc (QSI).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 24 Sep 2025, 18:31.

Change

Previous filing in this sequence was filed on 14 Mar 2025.
Current net transaction value: -$61,316.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001690473 Primary reporting owner

Bennett Todd C.

Relationship: Chief Commercial Officer
Address: C/O QUANTUM-SI INCORPORATED, 29 BUSINESS PARK DRIVE, BRANFORD
Signature: /s/ Christian LaPointe, Ph.D., Attorney-in-Fact.
Signature date: 24 Sep 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

QSI transaction

Class A Common Stock

Sale

Transaction value: $31,098
Shares: -18,482
Change %: -2.6%
Price: $1.68
Shares after: 700,003
Date: 22 Sep 2025
Ownership: Direct
Footnotes: F1, F2

QSI transaction

Class A Common Stock

Sale

Transaction value: $30,218
Shares: -18,482
Change %: -2.6%
Price: $1.64
Shares after: 681,521
Date: 23 Sep 2025
Ownership: Direct
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

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.

Footnote F2

Represents the weighted average sales price per share. The shares sold at prices ranging from $1.64 to $1.72 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

Footnote F3

Represents the weighted average sales price per share. The shares sold at prices ranging from $1.57 to $1.79 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.