System1, Inc.

System1, Inc. (NYSE: SST) is a digital advertising and customer acquisition technology company that completed its public debut in January 2022 through a merger with Trebia Acquisition Corp., a blank-check vehicle co-sponsored by Trasimene Capital Management and Cannae Holdings. Operating in the programmatic advertising and owned-and-operated media sector, System1 runs a multi-channel customer acquisition platform connecting advertisers with consumers across search, display, and social channels. The company filed an 8-K with the SEC on June 11, 2025, accession number 0001628280-25-030708, reflecting continued reporting obligations as a publicly traded entity. Sign up at SpacDesk for full filing history, sponsor profiles, and real-time data on SST and hundreds of other SPAC-derived public companies.