AdTheorent Holding Company, Inc. (Nasdaq: ADTH) is a machine-learning-powered programmatic advertising technology company that completed its SPAC merger in December 2021 through a combination with MCAP Acquisition Corporation, a blank-check company that IPO'd in 2021 targeting the technology and digital media sector. Sponsored by MCAP Acquisition LLC, the deal brought AdTheorent into the public markets focused on data-driven digital advertising solutions. The company filed an 8-K with the SEC on May 30, 2023, reflecting a material corporate event during its post-merger operating period. AdTheorent sits within the broader ad-tech vertical of the SPAC universe. Sign up for SpacDesk to access full filing history, deal timelines, and sponsor data on ADTH and hundreds of other SPAC transactions.