Quantum-Si Inc - QSI
All tracked SEC files for this issuer. Showing up to 200 latest records.
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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: Oct 08, 2026
| Form | Count |
|---|---|
| 4 | 18 |
| 144 | 9 |
| 8-K | 7 |
| SCHEDULE 13D/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Oct 08, 2026 | 8-K | Oct 08, 2026 | 0001816431-26-000064 | View |
| Sep 29, 2026 | 8-K | Sep 28, 2026 | 0001816431-26-000061 | View |
| Sep 23, 2026 | 144 | — | 0001557736-26-000004 | View |
| Sep 23, 2026 | 144 | — | 0001856912-26-000003 | View |
| Sep 23, 2026 | 144 | — | 0001505034-26-000004 | View |
| Sep 23, 2026 | 4 | Sep 21, 2026 | 0001140361-26-037476 | View |
| Sep 23, 2026 | 4 | Sep 21, 2026 | 0001140361-26-037478 | View |
| Sep 23, 2026 | 4 | Sep 21, 2026 | 0001140361-26-037481 | View |
| Aug 28, 2026 | SCHEDULE 13D/A | — | 0001140361-26-034869 | View |
| Aug 13, 2026 | 8-K | Aug 13, 2026 | 0001816431-26-000053 | View |
| Jul 24, 2026 | 8-K | Jul 23, 2026 | 0001816431-26-000049 | View |
| Jun 24, 2026 | 144 | — | 0001505034-26-000003 | View |
| Jun 24, 2026 | 144 | — | 0002032947-26-000002 | View |
| Jun 24, 2026 | 144 | — | 0001557736-26-000003 | View |
| Jun 24, 2026 | 144 | — | 0001856912-26-000002 | View |
| Jun 24, 2026 | 4 | Jun 22, 2026 | 0001140361-26-026285 | View |
| Jun 24, 2026 | 4 | Jun 22, 2026 | 0001140361-26-026287 | View |
| Jun 24, 2026 | 4 | Jun 22, 2026 | 0001140361-26-026290 | View |
| Jun 24, 2026 | 4 | Jun 22, 2026 | 0001140361-26-026294 | View |
| Jun 24, 2026 | 8-K | Jun 18, 2026 | 0001816431-26-000046 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001140361-26-022237 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001140361-26-022241 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001140361-26-022242 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001140361-26-022238 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001140361-26-022243 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001140361-26-022239 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001140361-26-022244 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001140361-26-022240 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001140361-26-022245 | View |
| May 15, 2026 | 8-K | May 15, 2026 | 0001816431-26-000037 | View |
| May 07, 2026 | 8-K | May 07, 2026 | 0001816431-26-000032 | View |
| Apr 22, 2026 | 4 | Apr 20, 2026 | 0001140361-26-016152 | View |
| Apr 22, 2026 | 4 | Apr 20, 2026 | 0001140361-26-016155 | View |
| Apr 22, 2026 | 144 | — | 0001505034-26-000002 | View |
| Apr 22, 2026 | 144 | — | 0001557736-26-000002 | View |