Iron Horse Acquisition II Corp., trading under the ticker IRHOU, is a blank-check special purpose acquisition company and the second vehicle associated with the Iron Horse Acquisition sponsor group. The company filed a Form 425 communication with the U.S. Securities and Exchange Commission on May 18, 2026, a filing type used to distribute prospectus-related materials in connection with a proposed business combination, signaling that the SPAC is actively engaged in a deal process. The "II" designation is consistent with a pattern of serial SPAC issuance in which sponsors return to market following a prior combination. For complete data on IRHOU's sponsor principals, target sector, IPO details, and deal timeline, sign up for full access on SpacDesk.