HCM IV Acquisition Corp. is a blank-check company trading under the ticker HACQU that filed an amended S-1 registration statement with the SEC on January 20, 2026, indicating the vehicle was in the process of completing its initial public offering as of that date. The filing, assigned accession number 0001213900-26-005654, marks the fourth SPAC effort under the HCM sponsor umbrella. As with prior HCM-sponsored vehicles, the company is organized as a Delaware-incorporated special purpose acquisition company pursuing a business combination in the financial services and technology sector. Visit SpacDesk and sign up for a free account to access the full filing history, sponsor profile, and real-time status updates for HACQU and thousands of other SPAC vehicles.