secwatch.observer — SEC 8-K summary ====================================== Issuer: U.S. GoldMining Inc. (USGO) CIK: 0001947244 Form: 8-K Filed at: 2026-03-19T23:59:59+00:00 Accession: 0001493152-26-011670 Event type: other_material Sentiment: neutral Materiality: 0.50 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 U.S. GoldMining releases technical report and initial assessment for Whistler Gold-Copper Project in Alaska -------------------------------------------------------------------------------- - Technical report dated March 19, 2026 (effective March 2, 2026) for the Whistler Gold-Copper Project. - Report includes S-K 1300 Technical Report Summary and Initial Assessment with economic analysis. - Key financial metrics (NPV, IRR, resource estimates) are not provided in the 8-K; they are contained in the full report filed as Exhibit 99.1. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1947244/000149315226011670/0001493152-26-011670-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1947244/000149315226011670/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-26-011670 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer