{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-22-025337","form_type":"8-K","ticker":"BHLL","cik":"0001407583","company_name":"Bunker Hill Mining Corp.","filed_at":"2022-09-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:55.641068+00:00","generated_at":"2026-06-23T12:42:13.912507+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Bunker Hill PFS outlines $55M capex for mine restart, 36% IRR, >$25M annual FCF","bullets":["PFS for Phase 1 restart of Bunker Hill Mine: initial capex $54.85M, 16 months to commercial production.","After-tax NPV8 of $51.8M, IRR 36%, payback 2.1 years; avg annual FCF >$25M and EBITDA >$41M.","Five-year plan: 3.36M tonnes ore, producing 317M lbs Zn, 146M lbs Pb, 3M oz Ag.","AISC $0.77 per payable lb Zn net of by-products; mill throughput 1,800 tpd.","Webcast Sep 8 to discuss PFS; Phase 2 includes resource conversion and expansion opportunities."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-22-025337","json":"https://secwatch.observer/filing/0001493152-22-025337.json","markdown":"https://secwatch.observer/filing/0001493152-22-025337.md","text":"https://secwatch.observer/filing/0001493152-22-025337.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1407583/000149315222025337/0001493152-22-025337-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1407583/000149315222025337/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T12:42:13.912507+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"}