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BlackRock, Inc. filed an amended Schedule 13G reporting its beneficial ownership of Class A stock of Quantum-Si Inc. BlackRock reported beneficial ownership of 4,598,208 Class A shares, representing 2.3% of the class. All of these shares are reported with sole voting power and sole dispositive power, with no shared voting or dispositive power. Various underlying clients and funds have economic interests in these shares, but no single such person's interest exceeds five percent of Quantum-Si’s outstanding common shares.
Quantum-Si Incorporated reported receiving a Nasdaq Listing Qualifications notice on July 23, 2026 stating that its Class A common stock no longer meets the $1.00 per share minimum bid price requirement under Nasdaq Listing Rule 5450(a)(1), after trading below that level for 30 consecutive business days.
The notice has no immediate effect on trading; the stock continues on The Nasdaq Global Market under “QSI” and business operations and SEC reporting continue unchanged. Under Nasdaq Listing Rule 5810(c)(3)(A), the company has 180 calendar days, until January 19, 2027, to achieve a closing bid of at least $1.00 for a minimum of 10 consecutive business days, subject to possible extension. If compliance is not regained, Quantum-Si may seek a transfer to The Nasdaq Capital Market and could use a reverse stock split to cure the deficiency; failure to regain compliance could lead to delisting, with only uncertain relief available through a Nasdaq Hearings Panel appeal. The company plans to monitor its share price and evaluate available options.
Quantum-Si Inc general counsel and corporate secretary Christian LaPointe reported two small open-market sales of Class A common stock tied to tax withholding on vested restricted stock units. He sold 7,794 shares on June 22 at a weighted average price of $0.9574 per share and 7,794 shares on June 23 at a weighted average price of $0.8990 per share, for a total of 15,588 shares. The sales were executed under a mandatory sell-to-cover provision for federal, state and local tax withholding and were not discretionary. After these transactions, LaPointe directly holds 1,182,429 Quantum-Si shares.
Quantum-Si Inc Chief Financial Officer Jeffry R. Keyes reported sales of a total of 8,233 shares of Class A Common Stock on June 22 and 23, 2026. According to the disclosure, these transactions were executed under a mandatory sell-to-cover provision to satisfy federal, state and local tax withholding on vested restricted stock units. Following the sales, he directly holds 1,724,349 shares of Class A Common Stock.
Quantum-Si Inc Chief Product Officer John S. Vieceli reported sales of 30,223 shares of Class A Common Stock to cover tax obligations tied to vesting restricted stock units. The transactions occurred on June 22 and June 23 in open-market sales under a mandatory sell-to-cover provision that was set at the grant date and cannot be altered by the individual.
Shares were sold at weighted average prices of $0.9574 and $0.899 per share across price ranges described in the footnotes. After these sales, Vieceli directly holds 1,140,434 shares of Quantum-Si Class A Common Stock, indicating he retains a substantial equity position.
Quantum-Si Inc President & CEO Jeffrey Alan Hawkins reported routine share sales tied to tax withholding on vested equity. On two days, he sold a total of 22,621 shares of Class A Common Stock in open-market transactions under a mandatory sell-to-cover provision for federal, state and local taxes related to previously granted restricted stock units. The sales occurred at weighted average prices around $0.96 and $0.90 per share, and he held 3,669,802 shares directly after the transactions.
Quantum-Si Incorporated reported a proposed sale of Class A Common Stock via a Form 144 filing. The filing lists Restricted Stock Unit vesting on 06/20/2026 totaling 60,425 shares and notes broker Morgan Stanley Smith Barney LLC. Timing and cash‑flow treatment are those shown in the filing.
Quantum-Si Incorporated filed a Form 144 notice for the proposed sale of 21,676 shares of Class A Common Stock associated with Restricted Stock Unit vesting on 06/20/2026. The filing records a prior sale of 74,763 shares on 04/20/2026 by Jeffry Keyes.
Quantum-Si Incorporated filed a Form 144 reporting an intended sale of 79,589 shares of Class A Common Stock tied to restricted stock unit vesting on 06/20/2026. The filing lists the transaction as equity compensation for services rendered and names Morgan Stanley Smith Barney LLC as the broker.
Quantum-Si (QSI) affiliate filed a Form 144 reporting proposed sales of Class A common stock. The filing lists a Restricted Stock Unit vesting of 59,609 shares on 06/20/2026 described as equity compensation for services. It also records a prior sale of 167,424 shares on 04/20/2026 by Jeffrey Hawkins.