HCM III Acquisition Corp. (Nasdaq: HCMA) is a blank-check company and the third SPAC vehicle launched by the HCM sponsor family, which has brought multiple special purpose acquisition vehicles to market. The company filed an amended S-1/A registration statement with the SEC on July 11, 2025, under accession number 0001213900-25-063336, placing it in active registration and pre-IPO status as of that date. As the "III" designation suggests, HCMA follows prior HCM-branded vehicles and reflects a serial sponsor strategy common among experienced SPAC managers targeting sectors such as healthcare and technology services. To access the full filing history, sponsor background, and deal-tracking data on HCMA, sign up for complete coverage at SpacDesk.