{"schema_version":"secwatch.filing_event.v1","accession":"0001062993-26-003106","form_type":"8-K","ticker":"THMG","cik":"0000711034","company_name":"THUNDER MOUNTAIN GOLD INC","filed_at":"2026-06-08T21:28:02+00:00","discovered_at":"2026-06-08T21:30:00.244522+00:00","generated_at":"2026-06-08T21:30:16.823303+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Thunder Mountain Gold auditor resigns after merger; Sadler Gibb appointed","bullets":["Assure CPA, LLC resigned as auditor on June 3, 2026, after merging into Sadler Gibb & Associates LLC.","No disagreements or reportable events occurred during fiscal years 2024/2025 or the interim period through May 31, 2026.","Prior audit reports for 2024 and 2025 each contained a going-concern explanatory paragraph.","Audit Committee approved Sadler Gibb & Associates LLC as the new independent auditor on June 4, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001062993-26-003106","json":"https://secwatch.observer/filing/0001062993-26-003106.json","markdown":"https://secwatch.observer/filing/0001062993-26-003106.md","text":"https://secwatch.observer/filing/0001062993-26-003106.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/711034/000106299326003106/0001062993-26-003106-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/711034/000106299326003106/form8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T21:30:16.823303+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"7a88ca7a06db24547c679831ecb268270087ce99","claim":"Assure CPA, LLC resigned as auditor of THUNDER MOUNTAIN GOLD INC.","evidence_excerpt":"Assure CPA, LLC, which served as the independent registered public accounting firm of Thunder Mountain Gold Inc. (the \"Company\"), merged into Sadler Gibb & Associates LLC pursuant to an asset purchase agreement. As a result of the transaction, Assure CPA, LLC ceased operations as a public accounting firm, and resigned as the Company's independent registered public accounting firm.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/711034/000106299326003106/0001062993-26-003106-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"resignation"},{"label":"Auditor","value":"Assure CPA, LLC"},{"label":"Successor","value":"Sadler Gibb & Associates LLC"}],"fact_type":"auditor_change"},{"claim_id":"d30370e0939b3b645932a6322b1594db2125be22","claim":"THUNDER MOUNTAIN GOLD INC engaged Sadler Gibb & Associates LLC as its auditor.","evidence_excerpt":"On June 4, 2026, the Audit Committee approved the engagement of Sadler Gibb & Associates LLC as the Company's independent registered public accounting firm for the fiscal year ending 2026.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/711034/000106299326003106/0001062993-26-003106-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Sadler Gibb & Associates LLC"}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}