Quantumsphere Acquisition Corp

Quantumsphere Acquisition Corp (Nasdaq: QUMS) is a blank-check special purpose acquisition company that completed its initial public offering in 2025, with its Form 424B4 final prospectus filed with the SEC on August 7, 2025. The company was formed to identify and consummate a business combination with one or more target operating businesses. The sponsor entity and target industry focus are disclosed in the company's prospectus on file with the SEC. For full and current data on QUMS — including sponsor profiles, deal status, and the complete filing history — sign up for access at SpacDesk.