{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-22-019233","form_type":"8-K","ticker":"VGZ","cik":"0000783324","company_name":"VISTA GOLD CORP","filed_at":"2022-02-10T23:59:59+00:00","discovered_at":"2026-05-14T18:04:09.752389+00:00","generated_at":"2026-06-27T09:23:20.202335+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 feasibility study shows 7M oz gold reserve, 16-year mine life, $999.5M after-tax NPV at $1,600/oz","bullets":["Proven and probable reserves up 19% to 6.98M oz gold (280.4M tonnes at 0.77 g/t).","After-tax NPV5% of $999.5M and IRR 20.6% at $1,600/oz; at $1,800/oz NPV $1.5B, IRR 26.7%.","Average annual production 395K oz life-of-mine, 479K oz first 7 years; mine life extended to 16 years.","Average cash costs $817/oz, AISC $928/oz life-of-mine; initial capex $892M.","Gold recovery 91.6%; project 100% owned Mt Todd in Northern Territory, Australia."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-22-019233","json":"https://secwatch.observer/filing/0001104659-22-019233.json","markdown":"https://secwatch.observer/filing/0001104659-22-019233.md","text":"https://secwatch.observer/filing/0001104659-22-019233.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/783324/000110465922019233/0001104659-22-019233-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/783324/000110465922019233/tm226078d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T09:23:20.202335+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"}