{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-25-009827","form_type":"8-K","ticker":"GORO","cik":"0001160791","company_name":"GOLD RESOURCE CORP","filed_at":"2025-07-31T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.461459+00:00","generated_at":"2026-05-17T22:09:52.007226+00:00","sec_items":["2.02","7.01","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Gold Resource reports high-grade H1 drilling at Three Sisters; signs Cominvi development contract","bullets":["H1 2025: 51 drill holes (6,615m) at Three Sisters system; two new veins modelled, total now 12.","Highlight intercept: Sandy 5 vein graded $1,665/t NSR over 4.83m (23.73 g/t AuEq).","Executed mining contract with Cominvi on July 23 to accelerate Three Sisters access; 1,350m development completed since May.","Introducing cut-and-fill mining to reduce dilution; ordered third dry stack filter press to boost throughput."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-25-009827","json":"https://secwatch.observer/filing/0001558370-25-009827.json","markdown":"https://secwatch.observer/filing/0001558370-25-009827.md","text":"https://secwatch.observer/filing/0001558370-25-009827.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1160791/000155837025009827/0001558370-25-009827-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1160791/000155837025009827/goro-20250730x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T22:09:52.007226+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"}