Quantumsphere Acquisition Corp

Quantumsphere Acquisition Corp, trading under the ticker QUMSR, filed an amended registration statement (S-1/A) with the Securities and Exchange Commission on July 30, 2025, indicating the blank-check company is actively progressing toward completing its initial public offering. The amendment, bearing accession number 0001829126-25-005566, places Quantumsphere in the pre-IPO registration phase as of mid-2025. Formed for the purpose of identifying and consummating a business combination, the company's sponsor identity and target sector focus are detailed within its SEC filing record. For complete data on Quantumsphere Acquisition Corp and the broader SPAC market, sign up for SpacDesk.