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 |
|---|---|---|---|
| 10-K | Annual report | Mar 31, 2026 | Dec 31, 2025 |
| 10-K/A | Amended annual report | Mar 31, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Mar 31, 2025 | Dec 31, 2024 |
| 10-K/A | Amended annual report | Sep 11, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Mar 12, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Mar 27, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Mar 22, 2022 | Dec 31, 2021 |
| 10-K | Annual report | Mar 30, 2021 | Dec 31, 2020 |
| 10-K | Annual report | Mar 20, 2020 | Dec 31, 2019 |
| 10-K | Annual report | Apr 1, 2019 | Dec 31, 2018 |
| 10-K | Annual report | Mar 30, 2018 | Dec 31, 2017 |
| 10-K | Annual report | Mar 30, 2017 | Dec 31, 2016 |
| 10-K | Annual report | Apr 6, 2016 | Dec 31, 2015 |
| 10-K | Annual report | Mar 31, 2015 | Dec 31, 2014 |
| 10-K | Annual report | Apr 8, 2014 | Dec 31, 2013 |
| 10-K | Annual report | Apr 10, 2013 | Dec 31, 2012 |
| 10-K | Annual report | Apr 16, 2012 | Dec 31, 2011 |
| 10-K/A | Amended annual report | Dec 20, 2011 | Dec 31, 2010 |
| 10-K | Annual report | Mar 25, 2011 | Dec 31, 2010 |
| 10-K | Annual report | Mar 31, 2010 | Dec 31, 2009 |
| 10-K | Annual report | Apr 15, 2009 | Dec 31, 2008 |
Showing 21 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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.