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 |
|---|---|---|---|
| S-3 | Shelf registration | Aug 4, 2026 | — |
| S-8 | Employee stock plan registration | Jun 25, 2026 | — |
| S-8 | Employee stock plan registration | Jun 27, 2025 | — |
| S-3 | Shelf registration | Jun 27, 2025 | — |
| S-8 | Employee stock plan registration | Apr 23, 2025 | — |
| S-8 | Employee stock plan registration | Jun 20, 2024 | — |
| 424B3 | Prospectus | Jun 10, 2024 | — |
| POS AM | Filing | Jun 3, 2024 | — |
| 424B3 | Prospectus | May 10, 2024 | — |
| 424B3 | Prospectus | May 10, 2024 | — |
| 424B3 | Prospectus | May 10, 2024 | — |
| POS AM | Filing | Mar 29, 2024 | — |
| S-8 | Employee stock plan registration | Dec 14, 2023 | — |
| 424B3 | Prospectus | Mar 21, 2023 | — |
| 424B3 | Prospectus | Mar 17, 2023 | — |
| 424B3 | Prospectus | Mar 17, 2023 | — |
| 424B3 | Prospectus | Mar 1, 2023 | — |
| 424B3 | Prospectus | Nov 14, 2022 | — |
| 424B3 | Prospectus | Nov 3, 2022 | — |
| 424B3 | Prospectus | Sep 15, 2022 | — |
| 424B3 | Prospectus | Aug 30, 2022 | — |
| 424B3 | Prospectus | Aug 16, 2022 | — |
| 424B3 | Prospectus | Aug 10, 2022 | — |
| 424B3 | Prospectus | Aug 10, 2022 | — |
| 424B3 | Prospectus | May 19, 2022 | — |
| S-8 | Employee stock plan registration | Apr 27, 2022 | — |
| 424B5 | Prospectus supplement | Apr 19, 2022 | — |
| S-1/A | Amended registration statement | Apr 13, 2022 | — |
| S-1/A | Amended registration statement | Apr 8, 2022 | — |
| S-1/A | Amended registration statement | Apr 1, 2022 | — |
| S-1 | Registration statement | Feb 9, 2022 | — |
| 424B3 | Prospectus | Jan 10, 2022 | — |
| 424B3 | Prospectus | Dec 23, 2021 | — |
| S-4/A | Filing | Dec 16, 2021 | — |
| S-4/A | Filing | Dec 1, 2021 | — |
| S-4 | Registration for a merger or exchange | Nov 3, 2021 | — |
| 424B4 | Prospectus | Jun 18, 2020 | — |
| S-1MEF | Filing | Jun 16, 2020 | — |
| S-1/A | Amended registration statement | Jun 11, 2020 | — |
| S-1 | Registration statement | Jun 1, 2020 | — |
Showing 40 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.
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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)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.