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 | — |
| S-8 | Employee stock plan registration | May 16, 2025 | — |
| FWP | Free writing prospectus | Oct 10, 2023 | — |
| 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 | — |
| FWP | Free writing prospectus | Oct 8, 2020 | — |
| FWP | Free writing prospectus | Oct 7, 2020 | — |
| F-10/A | Filing | Jun 2, 2020 | — |
| F-10/A | Filing | May 27, 2020 | — |
| F-X | Form f-x | May 8, 2020 | — |
| F-10 | Form f-10 | May 8, 2020 | — |
| F-10/A | Filing | Apr 6, 2020 | — |
| F-10/A | Filing | Mar 26, 2020 | — |
| F-X | Filing | Mar 25, 2020 | — |
| F-10 | Filing | Mar 25, 2020 | — |
| F-X | Filing | Dec 19, 2019 | — |
| F-10 | Filing | Dec 18, 2019 | — |
| S-8 | Employee stock plan registration | May 3, 2018 | — |
| F-8/A | Form f-8/a | Dec 3, 2013 | — |
| F-8/A | Form f-8/a | Nov 20, 2013 | — |
| F-8/A | Filing | Oct 30, 2013 | — |
| F-8/A | Filing | Oct 25, 2013 | — |
| F-X | Filing | Sep 19, 2013 | — |
| F-8 | Filing | Sep 19, 2013 | — |
| S-8 | Employee stock plan registration | Jul 25, 2013 | — |
| S-8 POS | Post-effective amendment no. 1 to form s-8 | Jul 25, 2013 | — |
| S-8 POS | Form s-8 pos | Jul 25, 2013 | — |
| F-X | Filing | Mar 15, 2013 | — |
| F-X | Filing | Jan 7, 2013 | — |
| F-80 | Form f-80 | Jan 7, 2013 | — |
| S-8 | Employee stock plan registration | Jan 29, 2008 | — |
| F-X | Form f-x | Mar 30, 2007 | — |
| S-8 | Employee stock plan registration | Oct 18, 2000 | — |
Showing 36 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.
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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)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.