System1, Inc.

System1, Inc., trading under the ticker TREB, filed an 8-K current report on May 12, 2026, representing the latest regulatory disclosure from the digital advertising technology company that reached public markets through a SPAC combination. System1 was taken public via Trebia Acquisition Corp, a blank-check vehicle that completed its IPO in 2020 and was co-sponsored by affiliates of Trasimene Capital Management and Cannae Holdings. The company operates in the customer acquisition and digital advertising technology sector, connecting advertisers with consumers across a network of owned and operated websites and third-party publishers. For complete filing history, sponsor intelligence, and deal-level data on TREB and System1, sign up for full access at SpacDesk.