Quantumsphere Acquisition Corp (QUMS) Insider Trading Disclosures
Quantumsphere Acquisition Corp (QUMS) is a publicly traded company on the Nasdaq, categorized under SIC 6770 (Blank Checks). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: QUMS
CIK: 2070900
Exchange: Nasdaq
SIC 6770: Blank Checks
Fiscal Year End: 03/31
State: E9
Independent PCAOB Auditor
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Audit Firm
CBIZ CPAs P.C.
Auditor SinceSince 3/31/2025 12:00:00 AM
Lead Engagement PartnerThomas Cantwell
Audit LocationMorristown, New Jersey, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 425 | 2026-10-13 | — | 425 | 0001829126-26-011073 | View SEC Doc Filr Page |
| 8-K | 2026-10-13 | 2026-10-09 | 8-K | 0001829126-26-011072 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-10-06 | — | SCHEDULE 13G/A Filing | 0001140361-26-038779 | View SEC Doc Filr Page |
| 8-K | 2026-09-02 | 2026-09-01 | 8-K | 0001829126-26-009623 | View SEC Doc Filr Page |
| 10-Q | 2026-08-14 | 2026-06-30 | 10-Q | 0001829126-26-008874 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-06 | — | SCHEDULE 13G Filing | 0001628280-26-054442 | View SEC Doc Filr Page |
| 10-K/A | 2026-07-01 | 2026-03-31 | 10-K/A | 0001829126-26-007147 | View SEC Doc Filr Page |
| 10-K | 2026-06-15 | 2026-03-31 | 10-K | 0001829126-26-006482 | View SEC Doc Filr Page |
| 8-K | 2026-03-11 | 2026-03-03 | 8-K | 0001829126-26-002191 | View SEC Doc Filr Page |
| 10-Q | 2026-02-20 | 2025-12-31 | 10-Q | 0001829126-26-001512 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-02-17 | — | SCHEDULE 13G/A Filing | 0000902664-26-001097 | View SEC Doc Filr Page |
| NT 10-Q | 2026-02-17 | 2025-12-31 | NT 10-Q | 0001829126-26-001394 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-02-12 | — | SCHEDULE 13G Filing | 0001104659-26-013820 | View SEC Doc Filr Page |
| 8-K | 2026-01-23 | 2026-01-13 | 8-K | 0001829126-26-000503 | View SEC Doc Filr Page |
| 10-Q | 2025-11-14 | 2025-09-30 | 10-Q | 0001829126-25-009212 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2025-11-14 | — | SCHEDULE 13G Filing | 0000902664-25-004957 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2025-11-07 | — | SCHEDULE 13G Filing | 0001140361-25-041135 | View SEC Doc Filr Page |
| 8-K/A | 2025-10-10 | 2025-08-07 | 8-K/A | 0001829126-25-008044 | View SEC Doc Filr Page |
| 8-K | 2025-10-06 | 2025-10-03 | 8-K | 0001829126-25-007899 | View SEC Doc Filr Page |
| 8-K | 2025-09-29 | 2025-09-26 | 8-K | 0001829126-25-007682 | View SEC Doc Filr Page |
| 10-Q | 2025-09-19 | 2025-06-30 | 10-Q | 0001829126-25-007505 | View SEC Doc Filr Page |
| SCHEDULE 13D | 2025-09-15 | — | SCHEDULE 13D Filing | 0001829126-25-007403 | View SEC Doc Filr Page |
| 8-K | 2025-08-14 | 2025-08-07 | 8-K | 0001829126-25-006233 | View SEC Doc Filr Page |
| 3 | 2025-08-12 | 2025-08-05 | FORM 3 | 0001829126-25-006134 | View SEC Doc Filr Page |
| 3 | 2025-08-11 | 2025-08-05 | FORM 3 | 0001829126-25-006073 | View SEC Doc Filr Page |