{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-013048","form_type":"8-K","ticker":"PPTA","cik":"0001526243","company_name":"PERPETUA RESOURCES CORP.","filed_at":"2025-02-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.887632+00:00","generated_at":"2026-05-26T22:14:43.811433+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.85,"confidence":"high","headline":"Perpetua Resources updates Stibnite Gold Project economics: $1.4B NPV, $90.2M Idaho Power deal","bullets":["Updated model shows $1.4B after-tax NPV (5%) and 15.4% IRR at consensus gold $2,100/oz; at spot $2,900/oz, NPV $3.7B with 27.1% IRR.","AISC averages $435/oz first 4 years, under $760/oz LOM; project positioned as lowest-cost gold project in US, Canada, Australia.","Over 15% increase in projected job-years may support increase to existing $1.8B EXIM letter of interest.","Agreement with Idaho Power to procure long lead equipment with estimated cost $90.2M; initial $18.8M payment due.","Initial capital estimate increased to $2.215B from $1.263B in 2020 FS, driven by inflation, power line upgrades, and oxygen plant buy-and-build."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-013048","json":"https://secwatch.observer/filing/0001104659-25-013048.json","markdown":"https://secwatch.observer/filing/0001104659-25-013048.md","text":"https://secwatch.observer/filing/0001104659-25-013048.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1526243/000110465925013048/0001104659-25-013048-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1526243/000110465925013048/tm256434d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T22:14:43.811433+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"}