Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗
Lifetime net: -$142.5K
Reported holding is the most recent post-transaction share count on a Table I row.
How quickly this filer reports. Section 16 allows two business days from the transaction.
All 5 filings we hold were filed within the two-business-day deadline.
Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings
The 10 most recent Form 4 transactions.
| Mar 23 | QSI | Quantum-Si Inc | SSELL | 11,239 | $0.8266 | $9.3K | -0.9% | Open the original filing on SEC.gov |
| Mar 20 | QSI | Quantum-Si Inc | SSELL | 10,758 | $0.8483 | $9.1K | -0.9% | Open the original filing on SEC.gov |
| Mar 12 | QSI | Quantum-Si Inc | AGRANT◆ | 468,508 | — | — | — | Open the original filing on SEC.gov |
| Mar 12 | QSI | Quantum-Si Inc | AGRANT | 391,681 | — | — | +48.9% | Open the original filing on SEC.gov |
| Dec 22, 2025 | QSI | Quantum-Si Inc | SSELL | 21,927 | $1.28 | $28K | -2.7% | Open the original filing on SEC.gov |
| Sep 23, 2025 | QSI | Quantum-Si Inc | SSELL | 9,843 | $1.64 | $16.1K | -1.2% | Open the original filing on SEC.gov |
| Sep 22, 2025 | QSI | Quantum-Si Inc | SSELL | 9,843 | $1.68 | $16.6K | -1.2% | Open the original filing on SEC.gov |
| Jun 23, 2025 | QSI | Quantum-Si Inc | SSELL | 21,923 | $1.61 | $35.4K | -2.5% | Open the original filing on SEC.gov |