Gunnison Copper Corp. SEC filings GCUMF
Gunnison Copper Corp. has 13 filings in SEC EDGAR's recent list, going back to Mar 9, 2011. The most recent current report (Form 6-K) was filed on Nov 5, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Nov 5, 2026 | Nov 5, 2026 |
| 6-K | Current report (foreign issuer) | Oct 28, 2026 | Oct 28, 2026 |
| 6-K | Current report (foreign issuer) | Oct 26, 2026 | Oct 26, 2026 |
| 6-K | Current report (foreign issuer) | Oct 22, 2026 | Oct 22, 2026 |
| SEC STAFF ACTION | Filing | Oct 20, 2026 | — |
| CERT | Nyse american certification | Oct 19, 2026 | — |
| F-X | Filing | Oct 9, 2026 | — |
| 40FR12B | Filing | Oct 9, 2026 | — |
| D | Filing | Apr 10, 2025 | — |
| D | Filing | Dec 20, 2023 | — |
| D | Filing | Feb 10, 2023 | — |
| D | Filing | Jan 5, 2018 | — |
| D | Filing | Mar 9, 2011 | — |
Showing 13 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Metal Mining (SIC 1000)
- Listed as
- GUNN (NYSE), GCUMF (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- British Columbia, Canada
- Headquarters
- Phoenix, AZ
- SEC CIK
- 1514860
- Former names
- Excelsior Mining Corp. (until Dec 20, 2023)
Other Metal Mining companies
- BHP Group Ltd BHP
- Rio Tinto Ltd RTNTF
- Southern Copper CORP/ SCCO
- Rio Tinto PLC RIO
- Freeport-Mcmoran Inc FCX
- Vale S.A. VALE
- Hudbay Minerals Inc. HBM
- Cleveland-Cliffs Inc. CLF
Source: SEC EDGAR filings. This is company-reported data, not investment advice.