Integrated Rail & Resources Acquisition Corp (Nasdaq: IRRX) is a blank-check company focused on acquisition targets in the rail transportation and natural resources sectors, two industries that drew heightened SPAC interest during the early 2020s boom in blank-check vehicle activity. The company filed an 8-K current report with the Securities and Exchange Commission on September 19, 2025, indicating a material corporate event requiring public disclosure. IRRX remains a closely watched vehicle among investors tracking infrastructure-oriented deal flow in the special-purpose acquisition space. For complete filing history, sponsor details, timeline milestones, and deal-status tracking on IRRX and thousands of other SPACs, sign up for full data access at SpacDesk.