{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-003591","form_type":"8-K","ticker":"HL","cik":"0000719413","company_name":"HECLA MINING CO/DE/","filed_at":"2025-02-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.175073+00:00","generated_at":"2026-05-26T23:07:17.293151+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Hecla reports 240M oz silver reserves, second highest in 134-year history; Keno Hill up 17%","bullets":["Silver proven & probable reserves of 240M oz, second highest ever, up 1% YoY.","2024 silver production of 18.7M oz; reserves replaced 14.6M oz through exploration.","Keno Hill reserves grew 17% to 64M silver oz; Greens Creek nearly replaced production.","Gold reserves flat at 2.2M oz; Casa Berardi added 21K oz gold reserve.","Conservative pricing: $22/oz silver, $1,900/oz gold used for reserve estimates."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-003591","json":"https://secwatch.observer/filing/0001437749-25-003591.json","markdown":"https://secwatch.observer/filing/0001437749-25-003591.md","text":"https://secwatch.observer/filing/0001437749-25-003591.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/719413/000143774925003591/0001437749-25-003591-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/719413/000143774925003591/hl20250212_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T23:07:17.293151+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"}