Madison Acquisition Ventures, Inc. is a blank-check company that filed an amended registration statement, Form S-1/A, with the SEC on August 30, 2007, placing it squarely in the active early-era SPAC market that preceded the 2008 financial crisis. The vehicle is registered under CIK 0001398605; a separate exchange ticker is not reflected in the available filing data. The S-1/A filing indicates the company was in the process of finalizing its initial public offering in 2007 and was structured to identify and complete an acquisition across general industry sectors, a common mandate for SPACs of that vintage. Sponsor details are not disclosed in the available filing metadata. Given its 2007 IPO year, the vehicle has almost certainly concluded via a business combination or liquidation. Sign up at SpacDesk for the full filing history, sponsor data, and deal outcome on this and thousands of other SPAC vehicles.