HCM Acquisition Corp (SEC CIK 0001414123) is a blank check company that filed an amended registration statement on Form S-1/A with the SEC on December 20, 2007, placing it squarely within the pre-financial-crisis SPAC wave that defined that era of the market. The filing reflects an active IPO registration under SEC review at the time, with the offering process initiated in the 2007 fiscal year. The company was structured to identify and complete a business combination with an operating target, consistent with standard blank check company formation of the period. Sponsor details and target sector were not disclosed in the available filing header. Sign up at SpacDesk for full sponsor data, filing history, and deal-timeline analytics on HCM Acquisition Corp and thousands of other SPACs.