HCM III Acquisition Corp. (HCMA) is a blank-check company currently in the registration phase, having filed an S-1/A amendment with the Securities and Exchange Commission on July 23, 2025. The vehicle is the third SPAC brought to market under the HCM sponsor umbrella, targeting a general acquisition strategy with an initial public offering anticipated in 2025. The S-1/A amendment indicates the company is refining its prospectus disclosures ahead of pricing, a standard step in the pre-IPO registration process. No acquisition target has been publicly announced as of the filing date. For full filing history, sponsor background, pipeline analysis, and real-time deal tracking on HCMA and the broader SPAC market, sign up for a SpacDesk account today.