Equity Capital Markets

Company · CIK 2070900

Quantumsphere Acquisition Corp

CIK2070900 (SEC EDGAR)
Industry (SIC)6770 — Blank Checks
Incorporated inE9
Business addressNY
ListedQUMS (Nasdaq), QUMSR (Nasdaq), QUMSU (Nasdaq)
First annual or quarterly report2025-09-19

Offerings

1 registration
RegistrationLabel and statusFirst filedLast eventFilings
333-287672
SPACFinal prospectus
 2025-05-302025-08-076

Filings

6
FiledFilingRegistrationAccession
2025-08-07424B4Final prospectus 333-2876720001829126-25-005885
2025-08-05EFFECTDeclared effective 333-2876729999999995-25-002483
2025-07-30S-1/AAmendment 333-2876720001829126-25-005566
2025-07-24S-1/AAmendment 333-2876720001829126-25-005327
2025-07-10S-1/AAmendment 333-2876720001829126-25-005004
2025-05-30S-1Registration filed 333-2876720001829126-25-004085

All filings of this company · CSV