Mountain Crest Acquisition Corp. IV (Nasdaq: MCAF), sponsored by Mountain Crest Capital LLC, was a blank-check company that went public in 2021 targeting opportunities in the technology and consumer sectors. On April 2, 2024, the company filed a Form 15-12G with the SEC, formally terminating the registration of its securities under Section 12(g) of the Securities Exchange Act — a step that typically follows a SPAC's liquidation or the completion of its business combination. The filing closed out MCAF's lifecycle as a registered public vehicle, consistent with broader SPAC market conditions seen across the 2021 vintage cohort. Visit SpacDesk and sign up for full filing history, timeline data, and sponsor analytics on MCAF and thousands of other SPAC vehicles.