Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗
Lifetime net: -$334.9K
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 7 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 14 most recent Form 4 transactions.
| Jun 23 | QSI | Quantum-Si Inc | SSELL | 11,311 | $0.899 | $10.2K | -0.3% | Open the original filing on SEC.gov |
| Jun 22 | QSI | Quantum-Si Inc | SSELL | 11,310 | $0.9574 | $10.8K | -0.3% | Open the original filing on SEC.gov |
| Apr 21 | QSI | Quantum-Si Inc | SSELL | 83,712 | $0.995 | $83.3K | -2.2% | Open the original filing on SEC.gov |
| Apr 20 | QSI | Quantum-Si Inc | SSELL | 83,712 | $1.01 | $84.2K | -2.2% | Open the original filing on SEC.gov |
| Mar 23 | QSI | Quantum-Si Inc | SSELL | 12,149 | $0.8266 | $10K | -0.3% | Open the original filing on SEC.gov |
| Mar 20 | QSI | Quantum-Si Inc | SSELL | 11,628 | $0.8483 | $9.9K | -0.3% | Open the original filing on SEC.gov |
| Mar 12 | QSI | Quantum-Si Inc | AGRANT◆ | 1.6M | — | — | — | Open the original filing on SEC.gov |
| Mar 12 | QSI | Quantum-Si Inc | AGRANT | 1.3M | — | — | +50.6% | Open the original filing on SEC.gov |
| Dec 22, 2025 | QSI | Quantum-Si Inc | SSELL | 23,707 | $1.28 | $30.3K | -0.9% | Open the original filing on SEC.gov |
| Sep 23, 2025 | QSI | Quantum-Si Inc | SSELL | 10,643 | $1.64 | $17.4K | -0.4% | Open the original filing on SEC.gov |
| Sep 22, 2025 | QSI | Quantum-Si Inc | SSELL | 10,643 | $1.68 | $17.9K | -0.4% | Open the original filing on SEC.gov |
| Jun 23, 2025 | QSI | Quantum-Si Inc | SSELL | 23,705 | $1.61 | $38.3K | -0.9% | Open the original filing on SEC.gov |