System1, Inc.

System1, Inc. (NYSE: SST) is a digital customer acquisition technology company that went public in January 2022 through its merger with Trebia Acquisition Corp, a blank-check vehicle that completed its IPO in 2021 and was co-sponsored by affiliates of Trasimene Capital Management and Cannae Holdings. The company operates its proprietary RAMP platform across search, social, and programmatic advertising channels, connecting brands with performance-based customer acquisition at scale. System1 filed an 8-K current report with the SEC on May 12, 2026, bearing accession number 0001805833-26-000027. For complete filing history, sponsor intelligence, and real-time SPAC data on SST and thousands of related equities, sign up for full access at SpacDesk.