Quantumsphere Acquisition Corp

Symbol
QUMS, QUMSR, QUMSU on Nasdaq
Industry
Blank Checks (Office Of Real Estate & Construction)
Business address
1185 6 Th Ave., Suite 304, New York, NY, 10036
State of incorporation
Cayman Islands
Fiscal year end
31 March
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Quantumsphere Acquisition Corp has filed 30 SEC EDGAR filings since 30 May 2025

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
10-Q Open Document | Data Open Filing 10-Q 14 Nov 2025 30 Sep 2025 001-42787
SCHEDULE 13G Open Document Open Filing 14 Nov 2025 005-95229
SCHEDULE 13G Open Document Open Filing 07 Nov 2025 005-95229
8-K/A Open Document | Data Open Filing 8-K/A 10 Oct 2025 07 Aug 2025 001-42787
8-K Open Document | Data Open Filing 8-K 06 Oct 2025 03 Oct 2025 001-42787
8-K Open Document | Data Open Filing 8-K 29 Sep 2025 26 Sep 2025 001-42787
10-Q Open Document | Data Open Filing 10-Q 19 Sep 2025 30 Jun 2025 001-42787
SCHEDULE 13D Open Document Open Filing 15 Sep 2025 005-95229
8-K Open Document | Data Open Filing 8-K 14 Aug 2025 07 Aug 2025 001-42787
3 Open Document Open Filing FORM 3 12 Aug 2025 05 Aug 2025
3 Open Document Open Filing FORM 3 11 Aug 2025 05 Aug 2025
3 Open Document Open Filing FORM 3 11 Aug 2025 05 Aug 2025
3 Open Document Open Filing FORM 3 11 Aug 2025 05 Aug 2025
3 Open Document Open Filing FORM 3 11 Aug 2025 05 Aug 2025
8-K Open Document | Data Open Filing 8-K 07 Aug 2025 05 Aug 2025 001-42787
424B4 Open Document Open Filing 424B4 07 Aug 2025 333-287672
S-1MEF Open Document | Data Open Filing S-1MEF 06 Aug 2025 333-289288
CERT Open Document Open Filing 06 Aug 2025 001-42787
EFFECT Open Document Open Filing 05 Aug 2025 333-287672
8-A12B Open Document Open Filing 8-A12B 05 Aug 2025 001-42787
CORRESP Open Document Open Filing 01 Aug 2025
CORRESP Open Document Open Filing 01 Aug 2025
S-1/A Open Document Open Filing S-1/A 30 Jul 2025 333-287672
CORRESP Open Document Open Filing 29 Jul 2025
UPLOAD Open Document Open Filing 28 Jul 2025 333-287672
S-1/A Open Document Open Filing S-1/A 24 Jul 2025 333-287672
S-1/A Open Document Open Filing S-1/A 10 Jul 2025 333-287672
CORRESP Open Document Open Filing 10 Jul 2025
UPLOAD Open Document Open Filing 24 Jun 2025 333-287672
S-1 Open Document Open Filing S-1 30 May 2025 333-287672