Thunder Mountain Gold Inc.

THMG·OTC·$0.72Share Price as of 11/2·$68MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/14/26 10-QQ1 ended 03/31/2605/12/26 10-KFY 202503/31/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-KCurrent report08/26/26 8-KCurrent report07/09/26 8-KCurrent report06/08/26 8-KCurrent report02/03/26 8-KCurrent report11/04/25

Prospectuses and Registrations

POS AMPost-effective amendment10/20/11 424B3Prospectus05/16/11 S-1Registration statement (IPO)04/26/11

Proxies

DEF 14ADefinitive proxy12/23/25 DEF 14ADefinitive proxy12/11/14 DEFA14AAdditional proxy materials12/11/14 DEF 14ADefinitive proxy03/12/13 DEFA14AAdditional proxy materials03/12/13

Ownership

Form 4Insider transaction07/15/24 Form 4Insider transaction07/12/24 Form 4Insider transaction02/05/24 Form 4Insider transaction09/01/23 Form 4Insider transaction08/24/23

Other

DD12/08/25 DD01/02/25 UPLOADLetter from the SEC09/13/24 CORRESPCorrespondence with the SEC08/22/24 NT 10-QLate filing notification (10-Q)08/13/24