Quantumsphere Acquisition Corp (QUMS) reporting calendar
Quantumsphere Acquisition Corp files periodic reports with the SEC as QUMS on Nasdaq. Atlas tracks 4 filed reports for this issuer, each linked to its original EDGAR accession.
- Next window
- 15 Aug 2026 – 20 Sep 2026
- Latest report
- 10-K
- Period ended
- 31 Mar 2026
- Filed
- 15 Jun 2026
- Reports on record
- 4
How this window is derived. Derived from this issuer's own filing history: 4 periods at a median 92-day cadence, filed a median 63 days after period end. The SEC does not publish forward reporting dates and Atlas does not estimate one.
Open QUMS market profile
Latest filing on SEC EDGAR ↗
Blank Checks reporting datesAll Nasdaq reporting dates
Filed periodic reports
| Form | Period ended | Filed | Lag | SEC accession |
|---|---|---|---|---|
| 10-K | 31 Mar 2026 | 15 Jun 2026 | 76 days | 0001829126-26-006482 |
| 10-Q | 31 Dec 2025 | 20 Feb 2026 | 51 days | 0001829126-26-001512 |
| 10-Q | 30 Sep 2025 | 14 Nov 2025 | 45 days | 0001829126-25-009212 |
| 10-Q | 30 Jun 2025 | 19 Sep 2025 | 81 days | 0001829126-25-007505 |
Source: SEC EDGAR company submissions for CIK 0002070900. Atlas publishes filed facts only. The SEC does not publish forward reporting dates, so no announced future date is claimed here.