Denison Mines Corp. SEC filings DNN
Denison Mines Corp. has 675 filings in SEC EDGAR's recent list, going back to Jun 11, 1998. Its latest annual report, Form 40-F, was filed on Mar 30, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Aug 14, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| F-X | Form f-x | Sep 14, 2026 | — |
| F-10EF | Filing | Sep 11, 2026 | — |
| 6-K | Current report (foreign issuer) | Aug 14, 2026 | Aug 12, 2026 |
| 6-K | Current report (foreign issuer) | Jul 28, 2026 | Jul 28, 2026 |
| 6-K | Current report (foreign issuer) | Jul 2, 2026 | Jul 2, 2026 |
| 6-K | Current report (foreign issuer) | May 14, 2026 | Mar 31, 2026 |
| 6-K | Current report (foreign issuer) | Apr 8, 2026 | Apr 8, 2026 |
| 6-K | Current report (foreign issuer) | Mar 31, 2026 | Mar 30, 2026 |
| 6-K | Current report (foreign issuer) | Mar 31, 2026 | Mar 31, 2026 |
| 6-K | Current report (foreign issuer) | Mar 30, 2026 | Mar 30, 2026 |
| 6-K | Current report (foreign issuer) | Mar 30, 2026 | Mar 30, 2026 |
| 40-F | Annual report (Canadian issuer) | Mar 30, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Mar 30, 2026 | Mar 30, 2026 |
| 6-K | Current report (foreign issuer) | Mar 11, 2026 | Mar 11, 2026 |
| 6-K | Current report (foreign issuer) | Mar 11, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Mar 4, 2026 | Mar 4, 2026 |
| 6-K | Current report (foreign issuer) | Feb 19, 2026 | Feb 19, 2026 |
| 6-K | Current report (foreign issuer) | Feb 19, 2026 | Feb 19, 2026 |
| 6-K | Current report (foreign issuer) | Feb 17, 2026 | Feb 17, 2026 |
| 6-K | Current report (foreign issuer) | Jan 8, 2026 | Jan 8, 2026 |
| 6-K | Current report (foreign issuer) | Jan 2, 2026 | Jan 2, 2026 |
| 6-K | Current report (foreign issuer) | Dec 17, 2025 | Dec 17, 2025 |
| 6-K | Current report (foreign issuer) | Dec 4, 2025 | Dec 4, 2025 |
| 6-K | Current report (foreign issuer) | Dec 1, 2025 | Dec 1, 2025 |
| 6-K | Current report (foreign issuer) | Nov 17, 2025 | Nov 17, 2025 |
| 6-K | Current report (foreign issuer) | Nov 7, 2025 | Nov 7, 2025 |
| 6-K | Current report (foreign issuer) | Nov 4, 2025 | Nov 4, 2025 |
| 6-K | Current report (foreign issuer) | Oct 10, 2025 | Oct 9, 2025 |
| 6-K | Current report (foreign issuer) | Aug 15, 2025 | Aug 15, 2025 |
| 6-K | Current report (foreign issuer) | Aug 13, 2025 | Aug 13, 2025 |
| 6-K | Current report (foreign issuer) | Aug 12, 2025 | Aug 12, 2025 |
| 6-K | Current report (foreign issuer) | Aug 8, 2025 | Aug 8, 2025 |
| 6-K | Current report (foreign issuer) | Aug 6, 2025 | Aug 6, 2025 |
| 6-K | Current report (foreign issuer) | Aug 5, 2025 | Aug 5, 2025 |
| 6-K | Current report (foreign issuer) | Jul 21, 2025 | Jul 21, 2025 |
| 6-K | Current report (foreign issuer) | Jul 17, 2025 | Jul 17, 2025 |
| 6-K | Current report (foreign issuer) | Jul 16, 2025 | Jul 16, 2025 |
| S-8 | Employee stock plan registration | May 16, 2025 | — |
| 6-K | Current report (foreign issuer) | May 14, 2025 | May 13, 2025 |
| 6-K | Current report (foreign issuer) | Apr 8, 2025 | Apr 8, 2025 |
| 6-K | Current report (foreign issuer) | Apr 1, 2025 | Apr 1, 2025 |
| 40-F | Annual report (Canadian issuer) | Mar 28, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 27, 2025 | Mar 27, 2025 |
| 6-K | Current report (foreign issuer) | Mar 20, 2025 | Mar 20, 2025 |
| 6-K | Current report (foreign issuer) | Mar 17, 2025 | Mar 17, 2025 |
| 6-K | Current report (foreign issuer) | Mar 14, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Feb 27, 2025 | Feb 27, 2025 |
| 6-K | Current report (foreign issuer) | Feb 27, 2025 | Feb 27, 2025 |
| 6-K | Current report (foreign issuer) | Nov 27, 2024 | Nov 27, 2024 |
| 6-K | Current report (foreign issuer) | Nov 25, 2024 | Nov 25, 2024 |
| 6-K | Current report (foreign issuer) | Nov 8, 2024 | Nov 7, 2024 |
| SD | Specialized disclosure (conflict minerals) | Sep 25, 2024 | — |
| 6-K | Current report (foreign issuer) | Sep 24, 2024 | Sep 24, 2024 |
| 6-K | Current report (foreign issuer) | Aug 9, 2024 | Aug 9, 2024 |
| 6-K | Current report (foreign issuer) | Jul 12, 2024 | Jul 12, 2024 |
| 6-K | Current report (foreign issuer) | Jun 3, 2024 | Jun 3, 2024 |
| 6-K | Current report (foreign issuer) | May 10, 2024 | May 9, 2024 |
| 6-K | Current report (foreign issuer) | May 9, 2024 | May 9, 2024 |
| 6-K | Current report (foreign issuer) | May 9, 2024 | May 9, 2024 |
| 6-K | Current report (foreign issuer) | Apr 8, 2024 | Apr 8, 2024 |
| 6-K | Current report (foreign issuer) | Apr 1, 2024 | Apr 1, 2024 |
| 6-K | Current report (foreign issuer) | Mar 28, 2024 | Mar 28, 2024 |
| 40-F | Annual report (Canadian issuer) | Mar 28, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Mar 27, 2024 | Mar 27, 2024 |
| 6-K | Current report (foreign issuer) | Mar 1, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Mar 1, 2024 | Mar 1, 2024 |
| 6-K | Current report (foreign issuer) | Feb 28, 2024 | Feb 22, 2024 |
| 6-K | Current report (foreign issuer) | Feb 26, 2024 | Feb 26, 2024 |
| 6-K | Current report (foreign issuer) | Jan 24, 2024 | Jan 24, 2024 |
| 6-K | Current report (foreign issuer) | Jan 23, 2024 | Jan 23, 2024 |
| 6-K | Current report (foreign issuer) | Dec 18, 2023 | Dec 18, 2023 |
| 6-K | Current report (foreign issuer) | Nov 9, 2023 | Nov 9, 2023 |
| 6-K | Current report (foreign issuer) | Nov 9, 2023 | Nov 8, 2023 |
| 6-K | Current report (foreign issuer) | Nov 6, 2023 | Nov 6, 2023 |
| 6-K | Current report (foreign issuer) | Nov 2, 2023 | Nov 2, 2023 |
| 6-K | Current report (foreign issuer) | Oct 17, 2023 | Oct 17, 2023 |
| 6-K | Current report (foreign issuer) | Oct 16, 2023 | Oct 16, 2023 |
| 6-K | Current report (foreign issuer) | Oct 12, 2023 | Oct 11, 2023 |
| SUPPL | Filing | Oct 12, 2023 | — |
| FWP | Free writing prospectus | Oct 10, 2023 | — |
| 6-K | Current report (foreign issuer) | Oct 10, 2023 | Oct 10, 2023 |
| SUPPL | Filing | Oct 10, 2023 | — |
| 6-K | Current report (foreign issuer) | Oct 6, 2023 | Oct 6, 2023 |
| 6-K | Current report (foreign issuer) | Sep 27, 2023 | Sep 27, 2023 |
| 6-K | Current report (foreign issuer) | Sep 1, 2023 | Sep 1, 2023 |
| 6-K | Current report (foreign issuer) | Aug 11, 2023 | Aug 11, 2023 |
| 6-K | Current report (foreign issuer) | Aug 10, 2023 | Aug 10, 2023 |
| 6-K | Current report (foreign issuer) | Aug 10, 2023 | Aug 9, 2023 |
| 6-K | Current report (foreign issuer) | Jun 30, 2023 | Jun 30, 2023 |
| 6-K | Current report (foreign issuer) | Jun 26, 2023 | Jun 26, 2023 |
| 6-K | Current report (foreign issuer) | May 16, 2023 | May 16, 2023 |
| 6-K | Current report (foreign issuer) | May 11, 2023 | May 10, 2023 |
| 6-K | Current report (foreign issuer) | Apr 19, 2023 | Apr 19, 2023 |
| 6-K | Current report (foreign issuer) | Apr 12, 2023 | Apr 12, 2023 |
| 6-K | Current report (foreign issuer) | Apr 6, 2023 | Apr 6, 2023 |
| 6-K | Current report (foreign issuer) | Mar 29, 2023 | Mar 29, 2023 |
| 6-K | Current report (foreign issuer) | Mar 28, 2023 | Mar 28, 2023 |
| 40-F | Annual report (Canadian issuer) | Mar 28, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 27, 2023 | Mar 28, 2023 |
| 6-K | Current report (foreign issuer) | Mar 13, 2023 | Mar 13, 2023 |
| 6-K | Current report (foreign issuer) | Mar 10, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Feb 23, 2023 | Feb 23, 2023 |
| 6-K | Current report (foreign issuer) | Dec 12, 2022 | Dec 12, 2022 |
| 6-K | Current report (foreign issuer) | Dec 8, 2022 | Dec 8, 2022 |
| 6-K | Current report (foreign issuer) | Nov 29, 2022 | Nov 29, 2022 |
| 6-K | Current report (foreign issuer) | Nov 22, 2022 | Nov 22, 2022 |
| 6-K | Current report (foreign issuer) | Nov 4, 2022 | Nov 3, 2022 |
| 6-K | Current report (foreign issuer) | Oct 27, 2022 | Oct 27, 2022 |
| 6-K | Current report (foreign issuer) | Oct 20, 2022 | Oct 20, 2022 |
| 6-K | Current report (foreign issuer) | Sep 26, 2022 | Sep 26, 2022 |
| 6-K | Current report (foreign issuer) | Sep 14, 2022 | Sep 14, 2022 |
| 6-K | Current report (foreign issuer) | Sep 8, 2022 | Sep 8, 2022 |
| 6-K | Current report (foreign issuer) | Aug 9, 2022 | Aug 9, 2022 |
| 6-K | Current report (foreign issuer) | Aug 5, 2022 | Aug 5, 2022 |
| 6-K | Current report (foreign issuer) | Aug 3, 2022 | Aug 3, 2022 |
| 6-K | Current report (foreign issuer) | Jul 29, 2022 | Jul 29, 2022 |
| 6-K | Current report (foreign issuer) | Jul 12, 2022 | Jul 12, 2022 |
| 6-K | Current report (foreign issuer) | Jun 23, 2022 | Jun 23, 2022 |
| 6-K | Current report (foreign issuer) | May 10, 2022 | May 10, 2022 |
| 6-K | Current report (foreign issuer) | May 5, 2022 | May 4, 2022 |
| 6-K | Current report (foreign issuer) | May 4, 2022 | May 4, 2022 |
| 6-K | Current report (foreign issuer) | Apr 28, 2022 | Apr 28, 2022 |
| 6-K | Current report (foreign issuer) | Mar 29, 2022 | Mar 29, 2022 |
| 6-K | Current report (foreign issuer) | Mar 29, 2022 | Mar 29, 2022 |
| 6-K | Current report (foreign issuer) | Mar 28, 2022 | Mar 25, 2022 |
| 40-F | Annual report (Canadian issuer) | Mar 25, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Mar 9, 2022 | Mar 8, 2022 |
| 6-K | Current report (foreign issuer) | Mar 4, 2022 | Mar 4, 2022 |
| 6-K | Current report (foreign issuer) | Feb 16, 2022 | Feb 16, 2022 |
| 6-K | Current report (foreign issuer) | Feb 16, 2022 | Feb 16, 2022 |
| 6-K | Current report (foreign issuer) | Jan 31, 2022 | Jan 31, 2022 |
| 6-K | Current report (foreign issuer) | Jan 19, 2022 | Jan 19, 2022 |
| 6-K | Current report (foreign issuer) | Jan 13, 2022 | Jan 13, 2022 |
| 6-K | Current report (foreign issuer) | Dec 2, 2021 | Dec 2, 2021 |
| 6-K | Current report (foreign issuer) | Nov 5, 2021 | Nov 4, 2021 |
| 6-K | Current report (foreign issuer) | Nov 4, 2021 | Nov 3, 2021 |
| 6-K | Current report (foreign issuer) | Nov 2, 2021 | Oct 28, 2021 |
| 6-K | Current report (foreign issuer) | Oct 26, 2021 | Oct 26, 2021 |
| 6-K | Current report (foreign issuer) | Oct 25, 2021 | Oct 21, 2021 |
| 6-K | Current report (foreign issuer) | Sep 28, 2021 | Sep 28, 2021 |
| SUPPL | Filing | Sep 28, 2021 | — |
| 6-K | Current report (foreign issuer) | Sep 23, 2021 | Sep 23, 2021 |
| 6-K | Current report (foreign issuer) | Sep 20, 2021 | Sep 20, 2021 |
| EFFECT | Filing | Sep 17, 2021 | — |
| F-10/A | Filing | Sep 16, 2021 | — |
| F-10POS | Filing | Sep 10, 2021 | — |
| F-X | Form f-x | Aug 19, 2021 | — |
| F-10 | Filing | Aug 19, 2021 | — |
| 6-K | Current report (foreign issuer) | Aug 6, 2021 | Aug 5, 2021 |
| 6-K | Current report (foreign issuer) | Aug 4, 2021 | Aug 4, 2021 |
| 6-K | Current report (foreign issuer) | Jul 29, 2021 | Jul 29, 2021 |
| 6-K | Current report (foreign issuer) | Jun 24, 2021 | Jun 24, 2021 |
| 6-K | Current report (foreign issuer) | Jun 15, 2021 | Jun 15, 2021 |
| 6-K | Current report (foreign issuer) | May 11, 2021 | May 11, 2021 |
| 6-K | Current report (foreign issuer) | May 10, 2021 | May 10, 2021 |
| 6-K | Current report (foreign issuer) | May 7, 2021 | Mar 31, 2021 |
| 6-K | Current report (foreign issuer) | May 5, 2021 | May 4, 2021 |
| 6-K | Current report (foreign issuer) | Apr 28, 2021 | Apr 28, 2021 |
| 6-K | Current report (foreign issuer) | Apr 21, 2021 | Apr 21, 2021 |
| 6-K | Current report (foreign issuer) | Apr 14, 2021 | Apr 14, 2021 |
| 6-K | Current report (foreign issuer) | Apr 8, 2021 | Apr 8, 2021 |
| 6-K | Current report (foreign issuer) | Apr 1, 2021 | Apr 1, 2021 |
| 6-K | Current report (foreign issuer) | Mar 30, 2021 | Mar 30, 2021 |
| 6-K | Current report (foreign issuer) | Mar 29, 2021 | Mar 29, 2021 |
| 40-F | Annual report (Canadian issuer) | Mar 29, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Mar 22, 2021 | Mar 22, 2021 |
| 6-K | Current report (foreign issuer) | Mar 16, 2021 | Mar 15, 2021 |
| 6-K | Current report (foreign issuer) | Mar 12, 2021 | Mar 12, 2021 |
| 6-K | Current report (foreign issuer) | Mar 8, 2021 | Mar 4, 2021 |
| 6-K | Current report (foreign issuer) | Mar 4, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Mar 3, 2021 | Mar 3, 2021 |
| 6-K | Current report (foreign issuer) | Feb 19, 2021 | Feb 19, 2021 |
| 6-K | Current report (foreign issuer) | Feb 19, 2021 | Feb 19, 2021 |
| 6-K | Current report (foreign issuer) | Feb 12, 2021 | Feb 12, 2021 |
| 6-K | Current report (foreign issuer) | Feb 9, 2021 | Feb 9, 2021 |
| 6-K | Current report (foreign issuer) | Jan 28, 2021 | Jan 28, 2021 |
| 6-K | Current report (foreign issuer) | Jan 14, 2021 | Jan 14, 2021 |
| 6-K | Current report (foreign issuer) | Jan 5, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Dec 31, 2020 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Dec 1, 2020 | Dec 1, 2020 |
| 6-K | Current report (foreign issuer) | Nov 18, 2020 | Nov 17, 2020 |
| 6-K | Current report (foreign issuer) | Nov 13, 2020 | Nov 13, 2020 |
| SUPPL | Filing | Nov 13, 2020 | — |
| 6-K | Current report (foreign issuer) | Nov 9, 2020 | Nov 9, 2020 |
| 6-K | Current report (foreign issuer) | Nov 6, 2020 | Sep 30, 2020 |
| 6-K | Current report (foreign issuer) | Oct 28, 2020 | Oct 28, 2020 |
| 6-K | Current report (foreign issuer) | Oct 15, 2020 | Oct 15, 2020 |
| 6-K | Current report (foreign issuer) | Oct 9, 2020 | Oct 9, 2020 |
| 6-K | Current report (foreign issuer) | Oct 8, 2020 | Oct 8, 2020 |
| SUPPL | Filing | Oct 8, 2020 | — |
| FWP | Free writing prospectus | Oct 8, 2020 | — |
| 6-K | Current report (foreign issuer) | Oct 8, 2020 | Oct 8, 2020 |
| FWP | Free writing prospectus | Oct 7, 2020 | — |
| 6-K | Current report (foreign issuer) | Oct 7, 2020 | Oct 7, 2020 |
| SUPPL | Filing | Oct 7, 2020 | — |
| 6-K | Current report (foreign issuer) | Oct 6, 2020 | Oct 6, 2020 |
| 6-K | Current report (foreign issuer) | Aug 7, 2020 | Jun 30, 2020 |
| 6-K | Current report (foreign issuer) | Jul 30, 2020 | Jul 30, 2020 |
| 6-K | Current report (foreign issuer) | Jul 28, 2020 | Jul 28, 2020 |
| 6-K | Current report (foreign issuer) | Jun 26, 2020 | Jun 25, 2020 |
Showing 200 filings, the most recent 200. 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.
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Company profile
- Industry
- Miscellaneous Metal Ores (SIC 1090)
- Listed as
- DNN (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Ontario, Canada
- Headquarters
- Toronto
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1063259
- Former names
- INTERNATIONAL URANIUM CORP (until Dec 8, 2006)
Other Miscellaneous Metal Ores companies
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.