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THMGOTCMetal MiningFiscal year ends December 31

THUNDER MOUNTAIN GOLD INC

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026
$0.73−0.02 (-2.47%)

Close on Oct 19, 2026

Market cap
$68.40M
P/E (TTM)
–
Dividend yield
–

About Thunder Mountain Gold

Metal Mining, SIC 1000

Thunder Mountain Gold, Inc. is an exploration-stage mining company engaged in the exploration and development of mineral properties. The company focuses primarily on precious and base metal mineral assets, including gold, silver, copper, and zinc. Its operations center on key mineral projects, specifically the South Mountain Project and the Trout Creek Project, where it conducts geological data modeling, geochemical sampling, and geophysical studies to delineate mineralization and define targets. As an early-stage exploration entity without commercial production, it does not sell finished commercial goods to external retail customers.

The company's exploration activities are located in Idaho and Nevada, United States. Its assets include the South Mountain Project situated in Idaho, comprising private land and unpatented mining claims covering roughly 260 acres of Bureau of Land Management territory, and the Trout Creek Project situated in Lander County, Nevada. The corporate headquarters are located in Boise, Idaho.

Summary of the business section of Thunder Mountain Gold's latest annual report, written by StockData.

Company profile

Company

Legal name
THUNDER MOUNTAIN GOLD INC
Founded
1935
Headquarters
Boise, ID
Address
11770 W. President Dr. Ste F 83713
Phone
(208) 658-1037
Employees
2, Dec 31, 2014
Industry
Metal Mining
Incorporated in
Nevada
Fiscal year ends
December 31
Auditor
Assure CPA, LLC, Spokane, Washington

Stock & identifiers

Ticker
THMG
Exchange
OTC
Shares outstanding
95M, Aug 10, 2026
Public float
$16.24M, Jun 30, 2025
Filer category
Non-accelerated filer<br>Smaller reporting company
SEC CIK
711034
CUSIP
886043108
ISIN
US8860431084
EIN
91-1031075

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

Thunder Mountain Gold's leadership is listed in its proxy statement, last filed Dec 23, 2025.

Employees

Headcount reported in annual reports

“The Company had two employees during the year ended December 31, 2014; Eric Jones, President and Chief Executive Officer, and Jim Collord, Vice President and Chief Operating Officer.”

Corporate history

Events identified from SEC filings

DateEventDetails
Jun 8, 2026Auditor changeChange in certifying accountant (8-K Item 4.01)
Aug 13, 2024Late filingNotification of late filing
May 7, 2021Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Mar 30, 2016Late filingNotification of late filing
Nov 16, 2015Late filingNotification of late filing
Aug 14, 2015Late filingNotification of late filing
Mar 31, 2014Late filingNotification of late filing
Nov 14, 2013Late filingNotification of late filing
Aug 14, 2013Late filingNotification of late filing
Mar 29, 2013Late filingNotification of late filing
Aug 14, 2012Late filingNotification of late filing
May 15, 2012Late filingNotification of late filing
Mar 30, 2012Late filingNotification of late filing
Nov 14, 2011Late filingNotification of late filing
Aug 15, 2011Late filingNotification of late filing
Nov 15, 2010Late filingNotification of late filing
May 17, 2010Late filingNotification of late filing
Mar 31, 2009Late filingNotification of late filing
Mar 31, 2008Late filingNotification of late filing
Oct 3, 2007Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Jun 11, 2007Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Nov 15, 2006Late filingNotification of late filing
Aug 14, 2006Late filingNotification of late filing
Mar 31, 2006Late filingNotification of late filing
Nov 15, 2005Late filingNotification of late filing
Sep 27, 2005Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Aug 23, 2005Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Mar 31, 2005Late filingNotification of late filing
Mar 30, 2004Late filingNotification of late filing
Mar 31, 2003Late filingNotification of late filing