{"schema_version":"secwatch.filing_event.v1","accession":"0001052918-21-000328","form_type":"8-K","ticker":"THMG","cik":"0000711034","company_name":"THUNDER MOUNTAIN GOLD INC","filed_at":"2021-09-17T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.526595+00:00","generated_at":"2026-06-29T03:04:11.264229+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Thunder Mountain Gold extends option agreement with BeMetals to Dec 2022, requires $250K payment","bullets":["Third Amending Agreement extends Option Period to December 31, 2022.","Tranche 6 cash payment of US$250,000 due on or before September 30, 2021.","Removes extension of option period if PEA not delivered during option period.","Agreement with BeMetals Corp. and its wholly owned BeMetals USA Corporation."],"urls":{"canonical":"https://secwatch.observer/filing/0001052918-21-000328","json":"https://secwatch.observer/filing/0001052918-21-000328.json","markdown":"https://secwatch.observer/filing/0001052918-21-000328.md","text":"https://secwatch.observer/filing/0001052918-21-000328.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/711034/000105291821000328/0001052918-21-000328-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/711034/000105291821000328/thmg8ksep17-21.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T03:04:11.264229+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}