{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-22-014580","form_type":"8-K","ticker":"BHLL","cik":"0001407583","company_name":"Bunker Hill Mining Corp.","filed_at":"2022-05-20T23:59:59+00:00","discovered_at":"2026-05-14T18:04:00.548417+00:00","generated_at":"2026-06-25T08:39:05.844056+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Bunker Hill Mining advances underground decline, water treatment, and mill relocation at Idaho mine","bullets":["Decline from 5 Level to 6 Level on track for Q3 2022 completion; ventilation fans operational for first time in 40 years.","Pilot water treatment plant now operational; testing during spring freshet to inform full-scale system.","Surface yard clean-up prepares site for Pend Oreille mill relocation; final location to be set in PFS.","Prefeasibility study results on track for June 2022, along with formal construction decision.","Update on Pend Oreille mill closing and demobilization expected in May 2022."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-22-014580","json":"https://secwatch.observer/filing/0001493152-22-014580.json","markdown":"https://secwatch.observer/filing/0001493152-22-014580.md","text":"https://secwatch.observer/filing/0001493152-22-014580.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1407583/000149315222014580/0001493152-22-014580-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1407583/000149315222014580/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T08:39:05.844056+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"}