Quantumsphere Acquisition Corp

Quantumsphere Acquisition Corp (Nasdaq: QUMSR) is a blank-check company currently in the active registration phase, having filed an amended S-1 registration statement with the SEC on July 10, 2025, under accession number 0001829126-25-005004. The S-1/A amendment indicates the company is refining its offering terms ahead of a planned 2025 IPO. The SPAC is structured to identify and complete a business combination with a target company following the close of its public offering; target industry focus and full sponsor details are disclosed in the prospectus on file with the Commission. For complete filing history, sponsor profiles, and deal analytics on Quantumsphere Acquisition Corp, sign up for full data access at SpacDesk.