{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-117458","form_type":"8-K","ticker":"CTGO","cik":"0001502377","company_name":"Contango Silver & Gold Inc.","filed_at":"2025-05-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.510266+00:00","generated_at":"2026-05-21T23:30:28.880557+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Contango ORE Johnson Tract IA: Post-tax NPV $225M, IRR 30%, 1.3yr payback","bullets":["Post-tax NPV5 of $224.5M and IRR of 30.2% at $2,200/oz gold base case; payback 1.3 years discounted.","Initial capital costs $213.6M; AISC $860/GEO; average annual production 102,258 GEO over 7-year mine life.","Indicated resource 3.49M tonnes at 5.33 g/t Au; inferred 0.71M tonnes at 1.36 g/t Au; polymetallic (Au, Zn, Cu, Pb, Ag).","Gold price sensitivity: at $3,000/oz, post-tax NPV rises to $398.2M, IRR 45%, payback <1 year.","Company expects permitting for access tunnel within one year; aims for FAST-41 priority under NEDC."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-117458","json":"https://secwatch.observer/filing/0001193125-25-117458.json","markdown":"https://secwatch.observer/filing/0001193125-25-117458.md","text":"https://secwatch.observer/filing/0001193125-25-117458.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1502377/000119312525117458/0001193125-25-117458-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1502377/000119312525117458/d90137d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T23:30:28.880557+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"}