secwatch.observer — SEC 8-K summary ====================================== Issuer: U.S. GoldMining Inc. (USGO) CIK: 0001947244 Form: 8-K Filed at: 2026-07-06T10:45:29+00:00 Accession: 0001493152-26-032066 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 commences 2026 drilling at Whistler; targets 8-10 high-priority porphyry targets -------------------------------------------------------------------------------- - First drill activated ahead of schedule at Whistler Orbit; second drill en route. - Program fully funded for minimum 6,000 meters of core drilling to test 8-10 targets. - PEA for Whistler deposit (only one of three deposits) shows after-tax NPV5% of $2.0B, 33% IRR. - First assay results expected by end of Q3 2026, subject to lab turnaround. - Whistler Orbit spans 7.5 km by 4.5 km area with over 25 exploration targets identified. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1947244/000149315226032066/0001493152-26-032066-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1947244/000149315226032066/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-26-032066 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer