Quantum-Si Incorporated filings document the formal disclosures of a Nasdaq-listed proteomics technology company developing single-molecule protein sequencing systems. Form 8-K reports furnish financial results, business updates, Regulation FD presentations and material agreements tied to the company’s operations and capital markets activity.
The filing record also covers annual-meeting proxy matters, board and compensation governance, executive and equity-award disclosure, Class A common stock, and redeemable warrants listed under QSIAW. Material-event filings document sales-agreement and shelf-registration disclosures for potential Class A common stock issuance, as well as lease-related settlement and termination matters.
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.
Quantum-Si, Incorporated entered a new long-term lease for approximately 54,374 square feet of planned office, laboratory and manufacturing space in San Diego, California. The 10-year term is expected to begin around September 1, 2027, with a latest possible start of November 1, 2027.
Initial monthly base rent is about $315,369.20, or $5.80 per square foot, increasing roughly 3% each year. Base rent is fully abated for the first 20 months after commencement. The landlord will provide up to $17,127,810 as a tenant improvement allowance, while Quantum-Si pays prepaid rent of $434,448.26 and posts a $2,085,786.64 letter-of-credit security deposit. The lease supports ongoing development of the Proteus™ platform and expanded manufacturing capabilities and replaces existing San Diego space expected to expire on December 31, 2027.
Quantum-Si Inc. notified Nasdaq of the voluntary withdrawal of its warrant class from listing and registration on the Nasdaq Stock Market LLC pursuant to Rule 12d2-2. Nasdaq certified it followed exchange procedures and filed the Form 25 through an authorized representative.
Quantum-Si Inc director Brigid Makes reported a new stock option grant and her current share holdings. She received a grant of 251,185 Stock Options (right to buy) Quantum-Si Class A Common Stock at an exercise price of $0.8539 per share, expiring on May 18, 2036. According to the footnote, the shares underlying this option vest on the date of Quantum-Si’s next regular annual stockholders meeting, subject to her continued service through that vesting date. Following this grant, she holds 20,512 shares of Class A Common Stock directly, along with the 251,185 options.
Quantum-Si Inc director Ruth A. Fattori reported an equity compensation grant in the form of stock options. She received options covering 251,185 shares of Class A Common Stock at an exercise price of $0.8539 per share, expiring on May 18, 2036.
The options relate to 251,185 underlying Class A shares and were granted as a “right to buy.” According to the footnote, the shares underlying this option vest on the date of Quantum-Si’s next regular annual stockholders meeting, subject to her continued service. Following the reported transactions, she directly holds 170,512 shares of Class A Common Stock.
Quantum-Si Inc director Amir Jafri reported a new stock option grant. He received an option covering 251,185 shares of Class A Common Stock at an exercise price of $0.8539 per share, expiring on May 18, 2036. The shares underlying this option vest on the date of the issuer's next regular annual stockholders meeting, subject to continued service through that date. Following the reported transactions, he holds 115,942 shares of Class A Common Stock directly, with no open-market purchases or sales reported.
Quantum-Si Inc director Paula Dowdy reported a new stock option grant. She received a Stock Option (right to buy) covering 251,185 shares of Class A Common Stock at a conversion or exercise price of $0.8539 per share, expiring on May 18, 2036.
The filing states that the shares underlying this option vest on the date of Quantum-Si’s next regular annual stockholders meeting, subject to her continued service through that vesting date. After the reported transactions, she directly beneficially owns 269,107 shares of Class A Common Stock.