System1, Inc. SEC filings SSTPW
System1, Inc. has 615 filings in SEC EDGAR's recent list, going back to Mar 23, 2020. Its latest annual report, Form 10-K, was filed on Mar 11, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 5, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEF 14A | Proxy statement | Jun 22, 2026 | Jul 22, 2026 |
| PRE 14A | Preliminary proxy statement | Jun 11, 2026 | Jun 10, 2026 |
| DEF 14A | Proxy statement | May 19, 2025 | Jun 10, 2025 |
| PRE 14A | Preliminary proxy statement | May 8, 2025 | Jun 10, 2025 |
| DEFA14A | Additional proxy material | May 31, 2024 | — |
| DEFA14A | Additional proxy material | May 20, 2024 | — |
| DEF 14A | Proxy statement | Apr 29, 2024 | Jun 11, 2024 |
| DEFA14A | Additional proxy material | Jun 8, 2023 | — |
| DEF 14A | Proxy statement | Jun 7, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Sep 23, 2021 | — |
| DEFA14A | Additional proxy material | Sep 16, 2021 | — |
| PREM14A | Filing | Sep 16, 2021 | Sep 16, 2021 |
Showing 12 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Services-Computer Programming, Data Processing, Etc. (SIC 7370)
- Listed as
- SST (NYSE), SSTPW (OTC)
- Fiscal year ends
- December 31
- Headquarters
- Marina Del Rey, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1805833
- Former names
- Trebia Acquisition Corp. (until Jan 26, 2022)
Other Services-Computer Programming, Data Processing, Etc. companies
- Alphabet Inc. GOOGL
- Meta Platforms, Inc. META
- AppLovin Corp APP
- Nebius Group N.V. NBIS
- Bending Spoons S.p.A. BSP
- Zoom Communications, Inc. ZM
- Baidu, Inc. BIDU
- Flutter Entertainment plc FLUT
All 94 Services-Computer Programming, Data Processing, Etc. companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.