Jeffry R. Keyes, CFO of Quantum-Si Inc. ($QSIAW), sold shares on the open market five times over the past year, totaling nearly $50,000. His most recent sale occurred on December 22, 2025. These transactions rank him 10,402nd among 11,678 insiders by sale value, well below the average of $8.6 million across about six trades per insider. Keyes made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 23, 2026 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 4422 | $0.83 | 1,807,345.0000 | 209,041,000 | 0.24% | 0.00% |
| March 20, 2026 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 4233 | $0.85 | 1,811,767.0000 | 209,041,000 | 0.23% | 0.00% |
| March 12, 2026 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | A | Class A Common Stock | 652803 | $0.00 | 1,816,000.0000 | 209,041,000 | 56.12% | 0.31% |
| March 12, 2026 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | A | Stock Option (Right to Buy) | 780847 | $0.00 | 780,847.0000 | 209,041,000 | 9999.99% | 0.37% |
| Dec. 22, 2025 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 8627 | $1.28 | 1,163,197.0000 | 209,041,000 | 0.74% | 0.00% |
| Nov. 17, 2025 | CNS Pharmaceuticals, Inc. | $CNSP | Keyes Jeffry R. | Director | A | Option to purchase common stock | 1517 | $0.00 | 1,517.0000 | 620,290 | 9999.99% | 0.24% |
| Sept. 22, 2025 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 3873 | $1.68 | 1,175,697.0000 | 143,196,000 | 0.33% | 0.00% |
| Sept. 23, 2025 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 3873 | $1.64 | 1,171,824.0000 | 143,196,000 | 0.33% | 0.00% |
| June 23, 2025 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 8624 | $1.61 | 1,179,570.0000 | 143,196,000 | 0.73% | 0.01% |
| March 21, 2025 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 8626 | $1.39 | 1,188,194.0000 | 143,196,000 | 0.72% | 0.01% |
| March 12, 2025 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | A | Class A Common Stock | 750000 | $0.00 | 1,196,820.0000 | 143,196,000 | 167.85% | 0.52% |
| Aug. 9, 2024 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | P | Class A Common Stock | 50000 | $0.87 | 446,820.0000 | 141,300,000 | 12.60% | 0.04% |
| April 8, 2024 | CNS Pharmaceuticals, Inc. | $CNSP | Keyes Jeffry R. | Director | A | Option to purchase common stock | 17500 | $0.00 | 62,928.0000 | 0 | 38.52% | 0.00% |
| April 8, 2024 | CNS Pharmaceuticals, Inc. | $CNSP | Keyes Jeffry R. | Director | A | Restricted Stock Units | 17500 | $0.00 | 80,428.0000 | 0 | 27.81% | 0.00% |
| March 15, 2024 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | A | Class A Common Stock | 346820 | $0.00 | 396,820.0000 | 141,300,000 | 693.64% | 0.25% |
| March 5, 2024 | Quantum-Si Inc | $QSI | Keyes Jeffry R. | Chief Financial Officer | P | Class A Common Stock | 50000 | $1.61 | 50,000.0000 | 141,300,000 | 9999.99% | 0.04% |