Quantum-Si Insider LaPointe Files Form 144 for Proposed Share Sale

TL;DR

**Quantum-Si insider LaPointe is selling shares, watch for potential stock price dip.**

AI Summary

Christian LaPointe, an insider at Quantum-Si Inc. (CIK: 0001816431), has filed a Form 144 on March 24, 2026, indicating a proposed sale of company securities. This filing signals that LaPointe intends to sell shares, which could increase the supply of Quantum-Si stock on the market. For investors, this matters because insider selling can sometimes be interpreted as a lack of confidence in the company's future prospects, potentially putting downward pressure on the stock price.

Why It Matters

Insider selling, like the proposed sale by Christian LaPointe, can signal to the market that those closest to the company may believe the stock is fully valued or that future growth may be limited, potentially impacting investor sentiment and stock price.

Risk Assessment

Risk Level: medium — Insider selling can indicate a lack of confidence, posing a medium risk to current or prospective shareholders.

Analyst Insight

A smart investor would monitor the volume and price action of Quantum-Si Inc. stock following this filing, and research any accompanying news or reasons for the insider sale, before making investment decisions.

Key Players & Entities

• LaPointe Christian (person) — Reporting individual proposing to sell securities
• Quantum-Si Inc (company) — Subject company whose securities are being proposed for sale
• 0001856912 (person) — CIK for LaPointe Christian
• 0001816431 (company) — CIK for Quantum-Si Inc
• 2026-03-24 (date) — Filing Date and Accepted Date of the Form 144

FAQ

Filing Documents

• primary_doc.html (144)
• primary_doc.xml (144) — 4KB
• 0001856912-26-000001.txt ( ) — 6KB

From the Filing

Form 144 Filer Information UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933 FORM 144 144: Filer Information Is this a LIVE or TEST Filing? LIVE TEST Submission Contact Information Name Phone E-Mail Address 144: Issuer Information Name of Issuer Quantum-Si Inc Address of Issuer 29 BUSINESS PARK DRIVE BRANFORD CONNECTICUT 06405 Phone (203) 458-7100 Name of Person for Whose Account the Securities are To Be Sold LaPointe Christian See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice. Relationship to Issuer Officer 144: Securities Information Title of the Class of Securities To Be Sold Name and Address of the Broker Number of Shares or Other Units To Be Sold Aggregate Market Value Number of Shares or Other Units Outstanding Approximate Date of Sale Name the Securities Exchange Class A Common Stock Morgan Stanley Smith Barney LLC 1 New York Plaza 38th Floor New York � NY � 10004 11959 10012.23 196431273 03/20/2026 NASDAQ Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor: 144: Securities To Be Sold Title of the Class Date you Acquired Nature of Acquisition Transaction Name of Person from Whom Acquired Is this a Gift? Date Donor Acquired Amount of Securities Acquired Date of Payment Nature of Payment * Class A Common Stock 03/15/2024 Restricted Stock Unit Vesting Quantum-Si Incorporated 18063 03/15/2024 Equity compensation for services rendered Class A Common Stock 03/12/2025 Restricted Stock Unit Vesting Quantup-Si Incorporated 26042 03/12/2025 Equity compensation for services rendered * If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid. Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold. 144: Securities Sold During The Past 3 Months Name and Address of Seller Title of Securities Sold Date of Sale Amount of Securities Sold Gross Proceeds Morgan Stanley Smith Barney LLC 1 New York Plaza 38th Floor New York � NY � 10004 Class A Common Stock 12/22/2025 11951 15249.48 144: Remarks and Signature Remarks Shares sold to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale is mandated by the Issuers election to require the satisfaction of tax withholding obligations through a sell to cover transaction and does not represent a discretionary trade by the reporting person. Date of Notice 03/24/2026 ATTENTION: The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date. Signature /s/ Christian LaPointe, Ph.D., Attorney-in-Fact ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

View Full Filing

View this 144 filing on SEC EDGAR