{"schema_version":"secwatch.filing_event.v1","accession":"0000783324-25-000039","form_type":"8-K","ticker":"VGZ","cik":"0000783324","company_name":"VISTA GOLD CORP","filed_at":"2025-07-29T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.361068+00:00","generated_at":"2026-05-17T23:54:13.007530+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Vista Gold reports positive feasibility study for Mt Todd: after-tax NPV $1.1B at $2,500/oz, IRR 27.8%","bullets":["After-tax NPV 5% of $1.1B, IRR 27.8%, payback 2.7 years at $2,500/oz gold.","At spot $3,300/oz: after-tax NPV $2.2B, IRR 44.7%, payback 1.7 years.","Initial capital $425M, 59% lower than 2024 FS; capital efficiency $93/oz.","Average annual gold production 153k oz years 1-15; AISC $1,449/oz.","Proven & Probable reserves: 171.975 Mt at 0.94 g/t containing 5.19 Moz gold."],"urls":{"canonical":"https://secwatch.observer/filing/0000783324-25-000039","json":"https://secwatch.observer/filing/0000783324-25-000039.json","markdown":"https://secwatch.observer/filing/0000783324-25-000039.md","text":"https://secwatch.observer/filing/0000783324-25-000039.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/783324/000078332425000039/0000783324-25-000039-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/783324/000078332425000039/vgz-20250729x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T23:54:13.007530+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}