Quantum-Si Insider LaPointe Files Form 4 on Ownership Change

TL;DR

**Insider Christian LaPointe filed a Form 4 for Quantum-Si, signaling a change in their stock ownership.**

AI Summary

This Form 4 filing indicates that Christian LaPointe, an insider at Quantum-Si Inc. (QSI), has filed a statement of changes in beneficial ownership of securities. While the filing itself doesn't detail specific transactions, it signals that LaPointe's ownership stake in QSI has changed as of the report period ending March 20, 2026. This matters to investors because changes in insider ownership can sometimes signal management's confidence (or lack thereof) in the company's future prospects, potentially influencing stock price.

Why It Matters

Changes in insider holdings can provide clues about how those closest to the company view its future, which can be a significant factor for investors.

Risk Assessment

Risk Level: low — This filing is purely informational and does not inherently pose a direct risk, but rather provides data for investor analysis.

Analyst Insight

A smart investor would look for the specific transaction details within the full Form 4 document to understand if LaPointe bought or sold shares, and in what quantity, to gauge potential insider sentiment towards Quantum-Si Inc. (QSI).

Key Players & Entities

• LaPointe Christian (person) — Reporting person, an insider at Quantum-Si Inc.
• Quantum-Si Inc (company) — The issuer of the securities, CIK: 0001816431
• 0001856912 (person) — CIK for LaPointe Christian
• 0001816431 (company) — CIK for Quantum-Si Inc.

FAQ

Key Financial Figures

• $0.8314 — The shares sold at prices ranging from $0.8314 to $0.8718 per share. Full information
• $0.8718 — sold at prices ranging from $0.8314 to $0.8718 per share. Full information regarding t
• $0.7973 — The shares sold at prices ranging from $0.7973 to $0.8525 per share. Full information
• $0.8525 — sold at prices ranging from $0.7973 to $0.8525 per share. Full information regarding t

Filing Documents

• form4.html (4)
• form4.xml (4) — 6KB
• 0001140361-26-010946.txt ( ) — 7KB

From the Filing

SEC FORM 4 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 1. Name and Address of Reporting Person * LaPointe Christian (Last) (First) (Middle) C/O QUANTUM-SI INCORPORATED 29 BUSINESS PARK DRIVE (Street) BRANFORD CONNECTICUT 06405 (City) (State) (Zip) UNITED STATES (Country) 2. Issuer Name and Ticker or Trading Symbol Quantum-Si Inc [ QSI ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) GC & Corp. Secretary 2a. Foreign Trading Symbol 3. Date of Earliest Transaction (Month/Day/Year) 03/20/2026 6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person 4. If Amendment, Date of Original Filed (Month/Day/Year) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 03/20/2026 S (1) 5,849 D $ 0.8483 (2) 1,204,127 D Class A Common Stock 03/23/2026 S (1) 6,110 D $ 0.8266 (3) 1,198,017 D Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Explanation of Responses: 1. 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. 2. Represents the weighted average sales price per share. The shares sold at prices ranging from $0.8314 to $0.8718 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. 3. Represents the weighted average sales price per share. The shares sold at prices ranging from $0.7973 to $0.8525 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. /s/ Christian LaPointe, Ph.D. 03/24/2026 ** Signature of Reporting Person Date Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4 (b)(v). ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. * Form 4: SEC 1474 (03-26)

View Full Filing

View this 4 filing on SEC EDGAR