Jeffry R. Keyes

Companies

• Quantum-Si IncChief financial officer May 16, 2023 to now¹
• CNS Pharmaceuticals, Inc.Board member Nov 8, 2019 to now²
• STAR OPERATING COMPANIES, INC.Chief financial officer Sep 7, 2012 to Mar 1, 2018³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• QSQuantum-Si Inc QSI1,716,684 shares⁴$2.2M at $1.31Sep 22, 2026
• CPCNS Pharmaceuticals, Inc. CNSP11,100 shares⁵$53.8K at $4.85Mar 7, 2022

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 22, 2026Sold 2,493 shares at $0.76 of Quantum-Si Inc⁴
• Sep 21, 2026Sold 5,172 shares at $0.76 of Quantum-Si Inc⁴
• Jun 23, 2026Sold 4,117 shares at $0.90 of Quantum-Si Inc⁶
• Jun 22, 2026Sold 4,116 shares at $0.96 of Quantum-Si Inc⁶
• Apr 21, 2026Sold 37,381 shares at $1.00 of Quantum-Si Inc⁷
• Apr 20, 2026Sold 37,382 shares at $1.01 of Quantum-Si Inc⁷
• Mar 23, 2026Sold 4,422 shares at $0.83 of Quantum-Si Inc⁸
• Mar 20, 2026Sold 4,233 shares at $0.85 of Quantum-Si Inc⁸
• Mar 12, 2026Granted 652,803 shares of Quantum-Si Inc⁹
• Dec 22, 2025Sold 8,627 shares at $1.28 of Quantum-Si Inc¹⁰
• Sep 23, 2025Sold 3,873 shares at $1.64 of Quantum-Si Inc¹¹
• Sep 22, 2025Sold 3,873 shares at $1.68 of Quantum-Si Inc¹¹
• Jun 23, 2025Sold 8,624 shares at $1.61 of Quantum-Si Inc¹²
• Mar 21, 2025Sold 8,626 shares at $1.39 of Quantum-Si Inc¹³
• Mar 12, 2025Granted 750,000 shares of Quantum-Si Inc¹⁴
• Aug 9, 2024Bought 50,000 shares at $0.87 of Quantum-Si Inc¹⁵
• Mar 15, 2024Granted 346,820 shares of Quantum-Si Inc¹⁶
• Mar 5, 2024Bought 50,000 shares at $1.61 of Quantum-Si Inc¹⁷
• Mar 7, 2022Granted 11,100 shares at $0.30 of CNS Pharmaceuticals, Inc.⁵