Denison Mines Corp. SEC filings DNN

Denison Mines Corp. has 676 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 Nov 5, 2026. The company's fiscal year ends on December 31.

Form Description Filed Period
40-F Annual report (Canadian issuer) Mar 30, 2026 Dec 31, 2025
40-F Annual report (Canadian issuer) Mar 28, 2025 Dec 31, 2024
40-F Annual report (Canadian issuer) Mar 28, 2024 Dec 31, 2023
40-F Annual report (Canadian issuer) Mar 28, 2023 Dec 31, 2022
40-F Annual report (Canadian issuer) Mar 25, 2022 Dec 31, 2021
40-F Annual report (Canadian issuer) Mar 29, 2021 Dec 31, 2020
40-F Annual report (Canadian issuer) Mar 13, 2020 Dec 31, 2019
40-F Annual report (Canadian issuer) Mar 13, 2019 Dec 31, 2018
40-F Annual report (Canadian issuer) Mar 28, 2018 Dec 31, 2017
40-F Annual report (Canadian issuer) Mar 30, 2017 Dec 31, 2016
40-F Annual report (Canadian issuer) Mar 29, 2016 Dec 31, 2015
40-F Annual report (Canadian issuer) Mar 12, 2015 Dec 31, 2014
40-F/A Amended annual report (Canadian issuer) Apr 3, 2014 Dec 31, 2013
40-F Annual report (Canadian issuer) Mar 19, 2014 Dec 31, 2013
40-F Annual report (Canadian issuer) Mar 15, 2013 Dec 31, 2012
40-F Annual report (Canadian issuer) Mar 29, 2012 Dec 31, 2011
40-F Annual report (Canadian issuer) Mar 29, 2011 Dec 31, 2010
40-F Annual report (Canadian issuer) Mar 29, 2010 Dec 31, 2009
40-F/A Amended annual report (Canadian issuer) Nov 9, 2009 Dec 31, 2008
40-F Annual report (Canadian issuer) Apr 1, 2009 Dec 31, 2008
40-F Annual report (Canadian issuer) Mar 31, 2008 Dec 31, 2007
40-F Annual report (Canadian issuer) Mar 30, 2007 Dec 31, 2006
20-F Annual report (foreign issuer) Dec 28, 2005 Sep 30, 2005
20-F/A Amended annual report (foreign issuer) Jun 24, 2005 Sep 30, 2004
20-F/A Amended annual report (foreign issuer) Feb 14, 2005 Sep 30, 2004
20-F Annual report (foreign issuer) Feb 14, 2005 Sep 30, 2004
20-F Annual report (foreign issuer) Feb 17, 2004 Aug 30, 2003
20-F Annual report (foreign issuer) Feb 18, 2003 Sep 30, 2002
20-F/A Amended annual report (foreign issuer) Apr 11, 2002 Sep 30, 2000
20-F/A Amended annual report (foreign issuer) Apr 11, 2002 Sep 30, 1999
20-F Annual report (foreign issuer) Apr 1, 2002 Sep 30, 2001
20-F/A Amended annual report (foreign issuer) Jul 9, 2001 Sep 30, 2000
20-F/A Amended annual report (foreign issuer) Jun 25, 2001 Sep 30, 1999
20-F Annual report (foreign issuer) Mar 30, 2001 Sep 30, 2000
20-F/A Amended annual report (foreign issuer) Jul 6, 2000 Sep 30, 1999
20-F/A Amended annual report (foreign issuer) Jul 6, 2000 Sep 30, 1998
20-F Annual report (foreign issuer) Mar 31, 2000 Mar 31, 2000
20-F/A Amended annual report (foreign issuer) Jan 13, 2000 Sep 30, 1998
20-F/A Amended annual report (foreign issuer) Jul 20, 1999 Sep 30, 1998
20-F Annual report (foreign issuer) Mar 31, 1999 Dec 31, 1998

Showing 40 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.