Integrated Rail & Resources Acquisition Corp (Nasdaq: IRRX) is a blank-check company targeting the rail transportation and natural resources sectors. The SPAC completed its initial public offering in 2021 and is sponsored by Integrated Rail & Resources Sponsor LLC, a vehicle tied to investors with operating backgrounds in rail infrastructure and resource industries. The company filed a Form 10-Q with the SEC on September 4, 2025, under accession number 0001213900-25-084539, reflecting its continued reporting obligations as a publicly traded entity still in the business combination search phase. IRRX represents one of several sector-focused SPACs monitoring opportunities across the industrial and commodities landscape. Sign up at SpacDesk for complete filings, timeline data, and deal analytics on IRRX and hundreds of other active SPACs.