Quantum-Si Inc - QSI
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 35
Latest filed: Mar 24, 2026
| Form | Count |
|---|---|
| 4 | 16 |
| 144 | 14 |
| 8-K | 4 |
| SCHEDULE 13G/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001140361-26-010949 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001140361-26-010945 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001140361-26-010941 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001140361-26-010946 | View |
| Mar 24, 2026 | 144 | — | 0001505034-26-000001 | View |
| Mar 24, 2026 | 144 | — | 0001557736-26-000001 | View |
| Mar 24, 2026 | 144 | — | 0001856912-26-000001 | View |
| Mar 24, 2026 | 144 | — | 0002032947-26-000001 | View |
| Mar 16, 2026 | 4 | Mar 12, 2026 | 0001140361-26-009598 | View |
| Mar 16, 2026 | 4 | Mar 12, 2026 | 0001140361-26-009602 | View |
| Mar 16, 2026 | 4 | Mar 12, 2026 | 0001140361-26-009605 | View |
| Mar 16, 2026 | 4 | Mar 12, 2026 | 0001140361-26-009612 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001140361-26-008320 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001140361-26-008322 | View |
| Mar 03, 2026 | 8-K | Mar 03, 2026 | 0001816431-26-000009 | View |
| Feb 26, 2026 | 4 | Feb 24, 2026 | 0001140361-26-006970 | View |
| Dec 29, 2025 | 8-K | Dec 29, 2025 | 0001816431-25-000074 | View |
| Dec 22, 2025 | 144 | — | 0001505034-25-000004 | View |
| Dec 22, 2025 | 4 | Dec 22, 2025 | 0001505034-25-000005 | View |
| Dec 22, 2025 | 144 | — | 0001557736-25-000005 | View |
| Dec 22, 2025 | 4 | Dec 22, 2025 | 0001557736-25-000006 | View |
| Dec 22, 2025 | 144 | — | 0001856912-25-000004 | View |
| Dec 22, 2025 | 4 | Dec 22, 2025 | 0001856912-25-000005 | View |
| Dec 22, 2025 | 144 | — | 0002032947-25-000004 | View |
| Dec 22, 2025 | 4 | Dec 22, 2025 | 0002032947-25-000005 | View |
| Nov 20, 2025 | 8-K | Nov 19, 2025 | 0001816431-25-000071 | View |
| Nov 05, 2025 | 8-K | Nov 05, 2025 | 0001816431-25-000065 | View |
| Oct 30, 2025 | SCHEDULE 13G/A | — | 0000102909-25-000214 | View |
| Oct 20, 2025 | 144 | — | 0001690473-25-000002 | View |
| Oct 20, 2025 | 144 | — | 0001505034-25-000002 | View |
| Oct 20, 2025 | 144 | — | 0001557736-25-000003 | View |
| Oct 20, 2025 | 144 | — | 0001856912-25-000002 | View |
| Oct 20, 2025 | 144 | — | 0002032947-25-000002 | View |
| Oct 17, 2025 | 4 | Oct 16, 2025 | 0001140361-25-038534 | View |
| Oct 16, 2025 | 144 | — | 0001974158-25-000065 | View |