secwatch.observer — SEC 8-K summary ====================================== Issuer: U.S. GoldMining Inc. (USGO) CIK: 0001947244 Form: 8-K Filed at: 2025-06-16T23:59:59+00:00 Accession: 0001641172-25-015156 Event type: other_material Sentiment: positive Materiality: 0.55 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 U.S. GoldMining highlights Muddy Creek targets with rock samples up to 111.5 g/t Au at Whistler project -------------------------------------------------------------------------------- - Muddy Creek mineral system covers ~6 km x 4 km gold geochemical footprint with intrusion-related signature. - Historic rock grab samples returned 73 samples >1 g/t Au, 20 >10 g/t Au, peak 111.50 g/t Au at Upper Phoenix Creek. - Average gold value of 285 historic rock samples is 3.03 g/t Au; soil samples include up to 5.29 g/t Au. - Historic drilling on fringes returned 0.43 g/t Au over 38.8 m and 0.41 g/t Au over 45.0 m; high-tenor zones undrilled. - Company plans phased exploration programs; start dates not determined yet. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1947244/000164117225015156/0001641172-25-015156-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1947244/000164117225015156/form8-k.htm HTML page: https://secwatch.observer/filing/0001641172-25-015156 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer