Quantumsphere Acquisition Corp (QUMS, QUMSR, QUMSU)
CIK 2070900 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Quantumsphere Acquisition Corp.
Recent SEC filings
| Filed | Form | Accession number |
|---|---|---|
| Sep 2, 2026 | 8-K | 0001829126-26-009623 |
| Aug 14, 2026 | 10-Q | 0001829126-26-008874 |
| Aug 6, 2026 | SCHEDULE 13G | 0001628280-26-054442 |
| Jul 1, 2026 | 10-K/A | 0001829126-26-007147 |
| Jun 15, 2026 | 10-K | 0001829126-26-006482 |
| Mar 11, 2026 | 8-K | 0001829126-26-002191 |
| Feb 20, 2026 | 10-Q | 0001829126-26-001512 |
| Feb 17, 2026 | SCHEDULE 13G/A | 0000902664-26-001097 |
| Feb 17, 2026 | NT 10-Q | 0001829126-26-001394 |
| Feb 12, 2026 | SCHEDULE 13G | 0001104659-26-013820 |
| Jan 23, 2026 | 8-K | 0001829126-26-000503 |
| Nov 14, 2025 | 10-Q | 0001829126-25-009212 |
| Nov 14, 2025 | SCHEDULE 13G | 0000902664-25-004957 |
| Oct 10, 2025 | 8-K/A | 0001829126-25-008044 |
| Oct 6, 2025 | 8-K | 0001829126-25-007899 |
| Sep 29, 2025 | 8-K | 0001829126-25-007682 |
| Sep 19, 2025 | 10-Q | 0001829126-25-007505 |
| Sep 15, 2025 | SCHEDULE 13D | 0001829126-25-007403 |
| Aug 14, 2025 | 8-K | 0001829126-25-006233 |
| Aug 12, 2025 | 3 | 0001829126-25-006134 |
| Aug 11, 2025 | 3 | 0001829126-25-006070 |
| Aug 11, 2025 | 3 | 0001829126-25-006072 |
| Aug 11, 2025 | 3 | 0001829126-25-006073 |
| Aug 11, 2025 | 3 | 0001829126-25-006071 |
| Aug 7, 2025 | 424B4 | 0001829126-25-005885 |