secwatch.observer — SEC 8-K summary ====================================== Issuer: GOLD RESOURCE CORP (GORO) CIK: 0001160791 Form: 8-K Filed at: 2025-03-05T23:59:59+00:00 Accession: 0001558370-25-002270 Event type: other_material Sentiment: positive Materiality: 0.80 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Gold Resource Corp reports 10% increase in Mineral Reserves at Don David Gold Mine -------------------------------------------------------------------------------- - Mineral Reserves at Dec 31, 2024 increased 10% in tonnes vs Dec 31, 2023, replacing 2024 mined reserves. - Three Sisters vein system: Mineral Reserves up >800% (526,152 t vs 57,890 t); Resources up 180% (662,749 t vs 234,014 t). - 2024 drilling program: 12,760 m in 87 underground holes contributed to the reserve growth. - S-K 1300 Technical Report Summary effective Dec 31, 2024 filed with SEC; prepared by Qualified Persons. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1160791/000155837025002270/0001558370-25-002270-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1160791/000155837025002270/goro-20250305x8k.htm HTML page: https://secwatch.observer/filing/0001558370-25-002270 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer