DENISON MINES CORP.
Close on Oct 19, 2026
About Denison Mines
Miscellaneous Metal Ores, SIC 1090
Denison Mines Corp. is an Ontario corporation engaged in uranium exploration, development, and related mining operations. The company organizes its activities into primary reportable operating segments comprising Mining, as well as Corporate and Other. Its principal asset interests and project activities encompass uranium properties, joint ventures, and related holdings, including the Wheeler River Joint Venture, McClean Lake Joint Venture, Midwest Joint Venture, Waterbury Lake Uranium, and Mann Lake Joint Venture. Denison also engages in commercial uranium sale contracts and holds investments in physical uranium and equity instruments within the mineral resources sector.
The company's mining property assets and operations are located in the province of Saskatchewan, Canada, with additional corporate and legal operations situated across Canada. Its corporate and principal executive offices are headquartered in Toronto, Ontario, Canada.
Summary of the business section of Denison Mines's latest annual report, written by StockData.
Company profile
Company
- Legal name
- DENISON MINES CORP.
- Headquarters
- Toronto, Ontario, Canada
- Address
- 40 University Ave., Suite 1100 M5J 1T1
- Phone
- (416) 979-1991
- Industry
- Miscellaneous Metal Ores
- Incorporated in
- A6
- Fiscal year ends
- December 31
- Auditor
- KPMG LLP, Toronto, ON, Canada
Stock & identifiers
- Ticker
- DNN
- Exchange
- NYSE
- Shares outstanding
- 902M, Dec 31, 2025
- Filer category
- Non-accelerated filer
- SEC CIK
- 1063259
- CUSIP
- 248356107
- ISIN
- US2483561070
- LEI
- 529900JWGSW17LJK6586
- EIN
- 00-0000000
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
No recent ownership filings by officers or directors
Denison Mines's leadership is listed in its proxy statement (Form DEF 14A).
Corporate history
Events identified from SEC filings
| Date | Event | Details |
|---|---|---|
| Apr 18, 2007 | Listing | Registration of securities on an exchange (Form 8-A) |
| Dec 8, 2006 | Name change | Name changed from INTERNATIONAL URANIUM CORP to DENISON MINES CORP. |
| Mar 31, 1999 | Late filing | Notification of late filing |