{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-030521","form_type":"8-K","ticker":"AUMN","cik":"0001011509","company_name":"Golden Minerals Co","filed_at":"2024-03-04T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.084778+00:00","generated_at":"2026-06-05T04:31:15.525849+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Golden Minerals ceases mining operations at Velardeña Properties in Mexico","bullets":["Restarted Velardeña mining in late Dec 2023 but initial performance fell short of projections.","Operations ceased at the Durango, Mexico properties.","Company will evaluate potential sale or winding up of Mexico operations."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-030521","json":"https://secwatch.observer/filing/0001104659-24-030521.json","markdown":"https://secwatch.observer/filing/0001104659-24-030521.md","text":"https://secwatch.observer/filing/0001104659-24-030521.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1011509/000110465924030521/0001104659-24-030521-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1011509/000110465924030521/tm247814d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T04:31:15.525849+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"}