Onyx Acquisition Co. I (ticker: ONYX) is a blank-check company that filed a Form 25 with the SEC on November 4, 2024, formally initiating the removal of its securities from exchange listing and deregistration under Section 12(b) of the Securities Exchange Act of 1934. The Form 25 filing, carrying accession number 0001213900-24-093708, signals the conclusion of the SPAC's public-market lifecycle, a stage typically reached following a completed business combination, failed deal, or voluntary liquidation. The filing places ONYX among the growing cohort of SPACs that have exited U.S. exchange trading in the post-2021 market correction cycle. Sign up for full data on SpacDesk to access complete filing histories, sponsor profiles, and deal outcomes for ONYX and thousands of other SPACs.