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.

System1, Inc. SEC filings
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.

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

Source: SEC EDGAR filings. This is company-reported data, not investment advice.