Collective Acquisition Corp. II (ticker: CAIIU) is a blank-check special purpose acquisition company currently in the SEC registration process, having filed an S-1/A amendment on April 21, 2026, under accession number 0001213900-26-045761. The "Corp. II" designation marks this as a follow-on vehicle from the Collective Acquisition sponsor team, reflecting continued serial sponsorship activity in the SPAC market. The S-1/A is an amendment to the original registration statement, a standard step as the company works toward a prospective IPO and public exchange listing. No specific target industry or sector focus has been publicly identified in the registration materials as of the filing date. Sign up for full data on SpacDesk to track CAIIU's registration progress, filings, and deal activity in real time.