Thunder Mountain Gold Inc SEC filings THMG
Thunder Mountain Gold Inc has 387 filings in SEC EDGAR's recent list, going back to Mar 31, 1998. Its latest annual report, Form 10-K, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (unregistered share sale, officer or director change, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 3 | Initial insider ownership | Nov 3, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Jul 15, 2024 | Jul 12, 2024 |
| 4 | Insider transaction | Jul 12, 2024 | Jul 4, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Jan 29, 2024 |
| 4 | Insider transaction | Sep 1, 2023 | Aug 28, 2023 |
| 4 | Insider transaction | Aug 24, 2023 | Aug 21, 2023 |
| 4 | Insider transaction | Aug 18, 2023 | Aug 18, 2023 |
| 4 | Insider transaction | Aug 14, 2023 | Aug 11, 2023 |
| 5 | Annual insider ownership | Mar 24, 2022 | Dec 31, 2021 |
| 5 | Annual insider ownership | Mar 23, 2022 | Dec 31, 2021 |
| 5 | Annual insider ownership | Mar 16, 2022 | Dec 31, 2021 |
| 5 | Annual insider ownership | Mar 14, 2022 | Dec 31, 2021 |
| 5 | Annual insider ownership | Mar 14, 2022 | Dec 31, 2021 |
| 5 | Annual insider ownership | Mar 14, 2022 | Dec 31, 2021 |
| 5 | Annual insider ownership | Mar 14, 2022 | Dec 31, 2021 |
| 5 | Annual insider ownership | Mar 14, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Aug 10, 2021 | Aug 6, 2021 |
| 4/A | Primary document | Aug 3, 2020 | Jul 8, 2020 |
| 4 | Insider transaction | Jul 9, 2020 | Jul 8, 2020 |
| 4 | Insider transaction | May 11, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 4, 2020 | Apr 1, 2020 |
| 4 | Insider transaction | Mar 2, 2020 | Feb 28, 2020 |
| 4 | Insider transaction | Feb 28, 2020 | Feb 27, 2020 |
| 4 | Insider transaction | Nov 1, 2019 | Oct 31, 2019 |
| 4 | Insider transaction | Jun 20, 2019 | Jun 18, 2019 |
| 4 | Insider transaction | Jun 13, 2019 | Jun 13, 2019 |
| 4 | Insider transaction | May 21, 2019 | May 21, 2019 |
| 4 | Insider transaction | May 16, 2019 | May 15, 2019 |
| 4 | Insider transaction | Apr 17, 2019 | Apr 16, 2019 |
| 4 | Insider transaction | Feb 26, 2018 | Feb 22, 2018 |
| 4 | Insider transaction | Aug 21, 2017 | Aug 17, 2017 |
| 4 | Insider transaction | Aug 21, 2017 | Aug 18, 2017 |
| 4 | Insider transaction | Aug 21, 2017 | Aug 17, 2017 |
| 4 | Insider transaction | May 1, 2017 | Apr 27, 2017 |
| 4 | Insider transaction | Apr 12, 2017 | Apr 11, 2017 |
| 4 | Insider transaction | Dec 12, 2016 | Dec 9, 2016 |
| 4 | Insider transaction | Nov 29, 2016 | Nov 23, 2016 |
| 4 | Insider transaction | Jul 27, 2016 | Jul 25, 2016 |
| 4 | Insider transaction | Jun 2, 2016 | May 31, 2016 |
| 4 | Insider transaction | Apr 22, 2016 | Apr 21, 2016 |
| 4 | Insider transaction | Mar 24, 2016 | Mar 23, 2016 |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2016 | — |
| 4 | Insider transaction | Feb 2, 2016 | Feb 27, 2015 |
| 4 | Insider transaction | Feb 2, 2016 | Jan 22, 2016 |
| 4 | Insider transaction | Oct 29, 2015 | Oct 29, 2015 |
| 4/A | Primary document | Oct 28, 2015 | Oct 19, 2015 |
| 4 | Insider transaction | Oct 27, 2015 | Oct 19, 2015 |
| 4 | Insider transaction | Oct 21, 2015 | Oct 19, 2015 |
| 4 | Insider transaction | Oct 6, 2015 | Sep 17, 2015 |
| 4 | Insider transaction | Sep 15, 2015 | Sep 11, 2015 |
| 4 | Insider transaction | Sep 15, 2015 | Sep 14, 2015 |
| 4 | Insider transaction | Aug 31, 2015 | Aug 28, 2015 |
| 4 | Insider transaction | Aug 12, 2015 | Aug 11, 2015 |
| 4 | Insider transaction | Aug 7, 2015 | Aug 5, 2015 |
| 4 | Insider transaction | Jun 4, 2015 | May 14, 2015 |
| 4 | Insider transaction | May 27, 2015 | May 19, 2015 |
| 4 | Insider transaction | Mar 10, 2015 | Feb 27, 2015 |
| 4 | Insider transaction | Mar 9, 2015 | Mar 24, 2014 |
| 4 | Insider transaction | Oct 16, 2014 | Oct 14, 2014 |
| 4 | Insider transaction | Oct 14, 2014 | Oct 13, 2014 |
| 4 | Insider transaction | Aug 29, 2013 | Aug 27, 2013 |
| 4 | Insider transaction | Jun 3, 2013 | May 31, 2013 |
| 4 | Insider transaction | May 13, 2013 | May 13, 2013 |
| 4 | Insider transaction | Apr 24, 2013 | Apr 23, 2013 |
| 4 | Insider transaction | Feb 7, 2013 | Feb 7, 2013 |
| 4 | Insider transaction | Jan 2, 2013 | Dec 27, 2012 |
| 4 | Insider transaction | Dec 19, 2012 | Dec 18, 2012 |
| 4 | Insider transaction | Nov 13, 2012 | Nov 12, 2012 |
| 4 | Insider transaction | Jun 6, 2012 | May 31, 2012 |
| 4 | Insider transaction | May 25, 2012 | May 24, 2012 |
| 4 | Insider transaction | Apr 10, 2012 | Apr 6, 2012 |
| 4 | Insider transaction | Feb 1, 2012 | Jan 31, 2011 |
| 4 | Insider transaction | Oct 7, 2011 | Oct 6, 2011 |
| 4 | Insider transaction | Oct 3, 2011 | Sep 30, 2011 |
| 4 | Insider transaction | Aug 3, 2011 | Aug 2, 2011 |
| 4 | Insider transaction | Apr 19, 2011 | Apr 18, 2011 |
| 4 | Insider transaction | Apr 12, 2011 | Apr 8, 2011 |
| 4 | Insider transaction | Apr 4, 2011 | Apr 4, 2011 |
| 4 | Insider transaction | Dec 20, 2010 | Dec 20, 2010 |
| 4 | Insider transaction | Sep 20, 2010 | Sep 14, 2010 |
| 4 | Insider transaction | Sep 17, 2010 | Sep 14, 2010 |
| 4 | Insider transaction | Apr 30, 2010 | Apr 23, 2010 |
| 4 | Insider transaction | Apr 7, 2010 | Mar 31, 2010 |
| 4 | Insider transaction | Mar 31, 2010 | Mar 24, 2010 |
| 4 | Insider transaction | Mar 9, 2010 | Mar 3, 2010 |
| 4 | Insider transaction | Oct 9, 2009 | Oct 8, 2009 |
| 4 | Insider transaction | Oct 8, 2009 | Oct 8, 2009 |
| 4 | Insider transaction | Oct 8, 2009 | Oct 7, 2009 |
| 4 | Insider transaction | Oct 8, 2009 | Sep 30, 2009 |
| 4 | Insider transaction | Oct 8, 2009 | Sep 28, 2009 |
| 4 | Insider transaction | Oct 8, 2009 | Sep 3, 2009 |
| 4 | Insider transaction | May 26, 2009 | May 22, 2009 |
| 4 | Insider transaction | May 14, 2009 | May 12, 2009 |
| 4 | Insider transaction | May 14, 2009 | May 13, 2009 |
| 4 | Insider transaction | May 12, 2009 | May 7, 2009 |
| 4 | Insider transaction | Apr 29, 2009 | Apr 24, 2009 |
| 4 | Insider transaction | Mar 31, 2009 | Mar 26, 2009 |
| 4 | Insider transaction | Mar 19, 2009 | Mar 19, 2009 |
| 4 | Insider transaction | Mar 10, 2009 | Mar 6, 2009 |
| 4 | Insider transaction | Feb 26, 2009 | Feb 24, 2009 |
| 4 | Insider transaction | Feb 20, 2009 | Feb 17, 2009 |
| 4 | Insider transaction | Feb 3, 2009 | Feb 2, 2009 |
| 4 | Insider transaction | Feb 2, 2009 | Jan 30, 2009 |
| 4 | Insider transaction | Jan 26, 2009 | Jan 23, 2009 |
| 4 | Insider transaction | Jan 26, 2009 | Jan 22, 2009 |
| 4 | Insider transaction | Jan 16, 2009 | Jan 14, 2009 |
| 4 | Insider transaction | Jan 14, 2009 | Jan 13, 2009 |
| 4 | Insider transaction | Jan 9, 2009 | Jan 6, 2009 |
| 4 | Insider transaction | Dec 30, 2008 | Dec 26, 2008 |
| 4 | Insider transaction | Dec 22, 2008 | Dec 19, 2008 |
| 4 | Insider transaction | Dec 9, 2008 | Dec 8, 2008 |
| 4 | Insider transaction | Nov 17, 2008 | Nov 14, 2008 |
| 4 | Insider transaction | Nov 13, 2008 | Nov 12, 2008 |
| 4 | Insider transaction | Oct 22, 2008 | Oct 20, 2008 |
| 4 | Insider transaction | Oct 2, 2008 | Sep 29, 2008 |
Showing 115 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
- Metal Mining (SIC 1000)
- Listed as
- THMG (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- NV
- Headquarters
- Boise, ID
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 711034
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.