System1, Inc. - SST
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: 20
Latest filed: Jun 02, 2026
| Form | Count |
|---|---|
| 4 | 13 |
| 8-K | 7 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Jun 02, 2026 | 4 | May 29, 2026 | 0001628280-26-039992 | View |
| Jun 01, 2026 | 8-K | May 29, 2026 | 0001805833-26-000030 | View |
| May 12, 2026 | 8-K | May 12, 2026 | 0001805833-26-000025 | View |
| May 12, 2026 | 8-K | May 12, 2026 | 0001805833-26-000027 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0001628280-26-025908 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0001628280-26-025909 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0001628280-26-025910 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0001628280-26-025911 | View |
| Mar 11, 2026 | 8-K | Mar 11, 2026 | 0001805833-26-000012 | View |
| Mar 11, 2026 | 8-K | Mar 11, 2026 | 0001805833-26-000015 | View |
| Jan 29, 2026 | 4 | Jan 28, 2026 | 0001628280-26-004226 | View |
| Jan 29, 2026 | 4 | Jan 28, 2026 | 0001628280-26-004227 | View |
| Jan 29, 2026 | 4 | Jan 28, 2026 | 0001628280-26-004228 | View |
| Jan 29, 2026 | 4 | Jan 28, 2026 | 0001628280-26-004229 | View |
| Jan 16, 2026 | 4 | Jan 15, 2026 | 0001628280-26-002461 | View |
| Jan 16, 2026 | 4 | Jan 15, 2026 | 0001628280-26-002462 | View |
| Jan 16, 2026 | 4 | Jan 15, 2026 | 0001628280-26-002463 | View |
| Jan 16, 2026 | 4 | Jan 15, 2026 | 0001628280-26-002464 | View |
| Jan 09, 2026 | 8-K | Jan 09, 2026 | 0001805833-26-000003 | View |
| Dec 12, 2025 | 8-K | Dec 08, 2025 | 0001805833-25-000020 | View |