System1 SEC Filings
NYSE: SSTTechnologyComputer Software: Programming Data ProcessingUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
System1 filing overview
This page lists 60 recent SEC filings by System1 (SST), including 35 4, 15 8-K, 4 10-Q, 2 SCHEDULE 13D/A. The latest annual report (10-K/A) was filed on Apr 30, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 5, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 5, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
SST SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Aug 5, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 5, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Aug 5, 2026 | 8-K | Regulation FD Disclosure | View on EDGAR |
| Jul 24, 2026 | 8-K | Material Modification to Rights of Security Holders; Departure or Appointment of Directors or Officers; Compensatory Arrangements; Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year; Submission of Matters to a Vote of Security Holders; Other Events | View on EDGAR |
| Jul 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 22, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Jun 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 1, 2026 | 8-K | Entry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement; Unregistered Sales of Equity Securities; Regulation FD Disclosure | View on EDGAR |
| May 12, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 12, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 12, 2026 | 8-K | Regulation FD Disclosure | View on EDGAR |
| Apr 30, 2026 | 10-K/A | Annual report (amendment) | View on EDGAR |
| Apr 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 11, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Mar 11, 2026 | 10-K | Annual report | View on EDGAR |
| Mar 11, 2026 | 8-K | Regulation FD Disclosure | View on EDGAR |
| Jan 29, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 29, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 29, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 29, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 9, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Dec 12, 2025 | 8-K | Notice of Delisting or Failure to Satisfy a Continued Listing Rule; Transfer of Listing; Regulation FD Disclosure | View on EDGAR |
| Dec 3, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Other Events | View on EDGAR |
| Dec 2, 2025 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Dec 2, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Nov 12, 2025 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Nov 5, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Nov 5, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Nov 5, 2025 | 8-K | Regulation FD Disclosure | View on EDGAR |
| Oct 30, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 30, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 30, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 30, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 17, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 17, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 17, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 17, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 26, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 21, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 7, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Aug 7, 2025 | 8-K | Regulation FD Disclosure | View on EDGAR |
| Aug 5, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 5, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 4, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 4, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 4, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 4, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 4, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 31, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |