Quantumsphere Acquisition Corp

Quantumsphere Acquisition Corp (Nasdaq: QUMS) is a blank-check company that filed an S-1/A amendment with the Securities and Exchange Commission on July 30, 2025, indicating the SPAC was actively working through its registration process as of that date. The S-1/A, assigned accession number 0001829126-25-005566, represents an update to the company's initial public offering registration statement, a standard step in the SPAC formation process as issuers respond to SEC review comments ahead of listing. The sponsor behind Quantumsphere Acquisition Corp and the specific target sector or industry focus are detailed in the full registration filing. For complete sponsor details, trust structure, management team bios, and deal timeline for QUMS, sign up for full data access at SpacDesk.