Cayson Acquisition Corp, trading under the ticker CAPNU, is a blank-check company currently in the business combination phase following its SPAC IPO. The company filed an amended registration statement on Form F-4/A with the SEC on May 22, 2026, under accession number 0001493152-26-025043, signaling active progress toward closing its proposed merger transaction. The F-4/A filing, typically used by foreign private issuers in connection with a de-SPAC combination, indicates the deal terms remain under regulatory review and refinement. Full sponsor details and target sector information are available in the underlying filing record. For complete data on Cayson Acquisition Corp, including deal timeline, sponsor background, and SEC filing history, sign up for full access at SpacDesk.