Quantum-Si Inc

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Quantum-Si Inc
CIK #0001816431
EDGAR Form CIK 2011 - 2026
10-K [0001816431]
10-Q [0001816431]
3 [0001816431]
4 [0001816431]
5 [0001816431]
8-K [0001816431]
SC 13D [0001816431]
SC 13G [0001816431]
Form 13D/13G Filer Form 13D/13G Subject Filed
Vanguard Group Inc Quantum-Si Inc [2025-07-29]
Nikko Asset Management Americas Inc Quantum-Si Inc [2024-02-13]
Sumitomo Mitsui Trust Holdings Inc Quantum-Si Inc [2024-02-05]
BlackRock Inc Quantum-Si Inc [2023-02-03]
Ark Investment Management LLC Quantum-Si Inc [2021-09-10]
Foresite Capital Fund IV LP Quantum-Si Inc [2021-06-21]
Rothberg Jonathan M Quantum-Si Inc [2021-06-21]
Glenview Capital Management LLC Highcape Capital Acquisition Corp [2021-03-15]
Glazer Capital LLC Highcape Capital Acquisition Corp [2021-02-16]
Polar Asset Management Partners Inc Highcape Capital Acquisition Corp [2021-02-09]
View All
Form 3/4/5 Subject 2011 - 2026
LaPointe Christian
Quantum-Si Inc
Keyes Jeffry R
Vieceli John S
Hawkins Jeffrey Alan
Makes Brigid
Fattori Ruth A
Jafri Amir
Kenny John P
Kummeth Charles R
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Quantum-Si Inc QSI
Class A Common Stock
2026-03-23 Sell 4,422 $0.83 3,670
Quantum-Si Inc QSI
Class A Common Stock
2026-03-23 Sell 11,239 $0.83 9,328
Quantum-Si Inc QSI
Class A Common Stock
2026-03-23 Sell 12,149 $0.83 10,084
Quantum-Si Inc QSI
Class A Common Stock
2026-03-23 Sell 6,110 $0.83 5,071
Quantum-Si Inc QSI
Class A Common Stock
2026-03-20 Sell 11,628 $0.85 9,884
Quantum-Si Inc QSI
Class A Common Stock
2026-03-20 Sell 5,849 $0.85 4,972
Quantum-Si Inc QSI
Class A Common Stock
2026-03-20 Sell 4,233 $0.85 3,598
Quantum-Si Inc QSI
Class A Common Stock
2026-03-20 Sell 10,758 $0.85 9,144
Quantum-Si Inc QSI
Class A Common Stock
2026-03-12 Grant 391,681 $0.00
Quantum-Si Inc QSI
Class A Common Stock
2026-03-12 Grant 652,803 $0.00
Quantum-Si Inc QSI
Class A Common Stock
2026-03-12 Grant 1,305,606 $0.00
Quantum-Si Inc QSI
Class A Common Stock
2026-03-12 Grant 261,121 $0.00
Quantum-Si Inc QSI
Stock Option (Right to Buy) · derivative
2026-03-12 Grant 468,508 $0.00
Quantum-Si Inc QSI
Stock Option (Right to Buy) · derivative
2026-03-12 Grant 1,561,695 $0.00
Quantum-Si Inc QSI
Stock Option (Right to Buy) · derivative
2026-03-12 Grant 312,339 $0.00
Quantum-Si Inc QSI
Stock Option (Right to Buy) · derivative
2026-03-12 Grant 780,847 $0.00
Quantum-Si Inc QSI
Class A Common Stock
2026-03-05 Buy 500,000 $0.92 460,000
Quantum-Si Inc QSI
Class A Common Stock
2026-03-05 Buy 109,890 $0.95 104,396
Quantum-Si Inc QSI
Stock Option (right to buy) · derivative
2026-02-24 Grant 114,055 $0.00
Quantum-Si Inc QSI
Class A Common Stock
2025-12-22 Sell 11,951 $1.28 15,297
showing 20 of 173 most recent transactions
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