Madison Acquisition Ventures, Inc. filed an S-1 registration statement with the U.S. Securities and Exchange Commission on May 8, 2007, indicating an intent to raise capital as a blank-check acquisition vehicle. The filing, recorded under SEC CIK 0001398605 and accession number 0001144204-07-023250, placed the company among the cohort of SPACs that came to market during the mid-2000s surge in blank-check formations, a period that preceded the broader institutionalization of the SPAC structure. Sponsor identity and target industry focus are disclosed in the underlying registration materials on file with the SEC. For complete filing timelines, sponsor profiles, and deal history for Madison Acquisition Ventures and the full SPAC universe, sign up for a SpacDesk account today.