System1, Inc.
SSTNYSECIK 1805833TechnologyFiscal year ends Dec 31
Reports and events: 177 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-08-0516:59 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001805833-26-000051 |
| 2026-08-0516:21 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001805833-26-000050 |
| 2026-08-0516:05 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001805833-26-000049 |
| 2026-07-2409:07 ET | 8-K | 3.03 Change to security holders’ rights; 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 8.01 Other events; 9.01 Financial statements and exhibits | 0001805833-26-000044 |
| 2026-06-2217:17 ET | DEF 14A | Proxy statementPeriod 2026-07-22 | 0001805833-26-000040 |
| 2026-06-0109:00 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001805833-26-000030 |
| 2026-05-1216:27 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001805833-26-000027 |
| 2026-05-1216:16 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001805833-26-000026 |
| 2026-05-1216:05 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001805833-26-000025 |
| 2026-04-3016:10 ET | 10-K/A | Annual report, amendedPeriod 2025-12-31 | 0001805833-26-000018 |
| 2026-03-1116:35 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001805833-26-000015 |
| 2026-03-1116:21 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001805833-26-000014 |
| 2026-03-1116:05 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001805833-26-000012 |
| 2026-01-0916:03 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001805833-26-000003 |
| 2025-12-1216:05 ET | 8-K | 3.01 Delisting notice; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001805833-25-000020 |
| 2025-12-0316:18 ET | 8-K | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001805833-25-000018 |
| 2025-12-0222:18 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001704720-25-000218 |
| 2025-11-1200:26 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001704720-25-000178 |
| 2025-11-0517:00 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001805833-25-000016 |
| 2025-11-0516:20 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001805833-25-000015 |
| 2025-11-0516:06 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001805833-25-000013 |
| 2025-08-0716:37 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001805833-25-000009 |
| 2025-08-0716:27 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0001805833-25-000008 |
| 2025-08-0716:06 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001805833-25-000006 |
| 2025-06-1116:05 ET | 8-K | 3.03 Change to security holders’ rights; 5.03 Amendment to articles or bylaws; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-25-030708 |
| 2025-06-1016:05 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-25-030451 |
| 2025-05-2317:37 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001628280-25-027355 |
| 2025-05-1916:07 ET | DEF 14A | Proxy statementPeriod 2025-06-10 | 0001628280-25-026505 |
| 2025-05-0616:50 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-25-022742 |
| 2025-05-0616:27 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0001628280-25-022712 |
| 2025-05-0616:05 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-022669 |
| 2025-05-0519:40 ET | SCHEDULE 13D | Ownership report, active investor | 0001628280-25-022351 |
| 2025-04-2916:07 ET | 8-K | 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits | 0001628280-25-020664 |
| 2025-04-2516:55 ET | 10-K/A | Annual report, amendedPeriod 2024-12-31 | 0001628280-25-020027 |
| 2025-04-1814:59 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0001628280-25-018356 |
| 2025-04-0716:24 ET | 8-K | 3.01 Delisting notice; 9.01 Financial statements and exhibits | 0001628280-25-016948 |
| 2025-03-2523:30 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001704720-25-000032 |
| 2025-03-1016:35 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-011713 |
| 2025-03-1016:18 ET | 10-K | Annual reportPeriod 2024-12-31 | 0001628280-25-011690 |
| 2025-03-1016:04 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-011636 |
| 2025-01-1016:30 ET | 8-K | 3.01 Delisting notice; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-25-001158 |
| 2024-11-0716:38 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-046353 |
| 2024-11-0716:22 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0001628280-24-046309 |
| 2024-11-0716:03 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-046232 |
| 2024-09-2716:15 ET | 10-K/A | Annual report, amendedPeriod 2023-12-31 | 0001628280-24-041475 |
| 2024-08-0816:42 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-24-036198 |
| 2024-08-0816:41 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0001628280-24-036195 |
| 2024-08-0816:06 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-036120 |
| 2024-06-2512:48 ET | SC 13D/A | Ownership report, active investor, amended | 0001628280-24-029960 |
| 2024-06-2611:13 ET | SC 13D/A | Ownership report, active investor, amended | 0001628280-24-029997 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:07 ET. Listed shows no prices and gives no investment advice.