Integrated Rail & Resources Acquisition Corp (Nasdaq: IRRX) is a blank-check company targeting the rail transportation and natural resources sectors. The company filed an 8-K current report with the Securities and Exchange Commission on September 19, 2025, marking a material development in its corporate timeline. IRRX operates within a SPAC cohort focused on infrastructure and commodity-linked industries, areas that have attracted deal interest as sponsors seek targets with durable physical assets and long-term contracted revenue profiles. The filing adds to the company's active disclosure record as it works toward completing a business combination. Sign up on SpacDesk for full filing history, deal-status tracking, and analytics on IRRX and hundreds of other SPACs.