AI Infrastructure Acquisition Corp. (Nasdaq: AIIA-UN) is a blank-check company that completed its initial public offering in 2025 with a stated acquisition focus on the artificial intelligence infrastructure sector, an industry segment encompassing data centers, high-performance compute, and networking assets that support modern machine-learning workloads. The vehicle filed an 8-K with the Securities and Exchange Commission on November 24, 2025, under accession number 0001493152-25-024824, signaling a material corporate development in its deal timeline. The unit-stage ticker indicates the SPAC remains in its pre-separation phase. Sign up at SpacDesk to access the full filing record, deal-stage tracking, and real-time analytics on AIIA-UN and hundreds of other active SPACs.