Quantumsphere Acquisition Corp

Quantumsphere Acquisition Corp (Nasdaq: QUMS) is a blank-check company that filed its most recent Form 10-Q with the Securities and Exchange Commission on August 14, 2026, under accession number 0001829126-26-008874, indicating it remains in its post-IPO search phase without a definitive business combination announced as of that date. As a special purpose acquisition company, Quantumsphere is structured to identify and merge with a target operating business within its allotted window. Full details on the sponsor entity, IPO vintage, sector focus, and deal pipeline are available to subscribers on SpacDesk — sign up at spacdesk.com for complete SPAC data, filings, and real-time deal tracking.