System1, Inc.

System1, Inc. filed an 8-K current report with the SEC on May 12, 2026, under accession number 0001805833-26-000027. The company reached the public markets through Trebia Acquisition Corp, ticker TREB, which completed its IPO in 2020. Trebia was co-sponsored by Trasimene Capital Management and Cannae Holdings — entities associated with investor Bill Foley — and targeted the technology sector. The de-SPAC merger with System1, an omnichannel digital advertising technology company, closed in early 2022, with the combined entity subsequently trading on the NYSE under the ticker SST. To access full filing data, deal history, and real-time alerts for System1 and the broader SPAC universe, sign up at SpacDesk.