secwatch.observer — SEC 8-K summary ====================================== Issuer: U.S. GoldMining Inc. (USGO) CIK: 0001947244 Form: 8-K Filed at: 2025-11-13T23:59:59+00:00 Accession: 0001493152-25-022107 Event type: other_material Sentiment: positive Materiality: 0.35 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 U.S. GoldMining welcomes copper and silver on U.S. Critical Minerals List, highlights Whistler resources -------------------------------------------------------------------------------- - USGS listed copper and silver in its 2025 List of Critical Minerals published Nov. 7, 2025. - Whistler Indicated resources: 1.0 Blbs copper, 19 Moz silver, 3.93 Moz gold; Inferred: 0.3 Blbs copper, 11.5 Moz silver, 3.31 Moz gold. - Company is advancing a PEA on Whistler, initially announced June 9, 2025. - Whistler is the closest large undeveloped gold-copper deposit to Anchorage, on 53,700 acres of State of Alaska mining claims. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1947244/000149315225022107/0001493152-25-022107-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1947244/000149315225022107/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-25-022107 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer