Iris Acquisition Corp II (Nasdaq: IRAB) is a blank check company that filed an amended registration statement, Form S-1/A, with the SEC on September 10, 2025, as it advanced through the process of completing its initial public offering. The designation "II" signals that the sponsor team has prior SPAC experience, having previously brought a predecessor vehicle to market. The company is structured to pursue a business combination across a broad range of industries, as is common for generalist SPACs at the registration stage. The S-1/A amendment reflects updated disclosures provided to prospective investors ahead of pricing. Sign up at SpacDesk to access the full filing record, sponsor details, and real-time deal tracking for IRAB and hundreds of active SPACs.