{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-25-004547","form_type":"8-K","ticker":"USGO","cik":"0001947244","company_name":"U.S. GoldMining Inc.","filed_at":"2025-02-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:05.626413+00:00","generated_at":"2026-05-27T04:10:10.921735+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"U.S. GoldMining reports 458m at 0.75 g/t AuEq at Whistler; extends high-grade zone","bullets":["WH24-04 intercepted 458m at 0.75 g/t AuEq (0.46 g/t Au, 0.16% Cu, 1.66 g/t Ag) from 224-682m depth.","Higher-grade intervals within WH24-04: 48m at 1.23 g/t AuEq and 116m at 1.00 g/t AuEq.","WH24-03 returned 12.7m at 1.96 g/t AuEq and 139.9m at 0.47 g/t AuEq; assays pending for one hole.","Existing MRE: 6.48 Moz AuEq indicated, 4.16 Moz AuEq inferred; results support expansion potential.","CEO states metal grade improves with depth in western Whistler; drilling upgrades resource profile."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-25-004547","json":"https://secwatch.observer/filing/0001493152-25-004547.json","markdown":"https://secwatch.observer/filing/0001493152-25-004547.md","text":"https://secwatch.observer/filing/0001493152-25-004547.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1947244/000149315225004547/0001493152-25-004547-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1947244/000149315225004547/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-27T04:10:10.921735+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"}