---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-095331"
form_type: "8-K"
ticker: "PPTA"
cik: "0001526243"
company_name: "PERPETUA RESOURCES CORP."
filed_at: "2025-10-01T23:59:59+00:00"
generated_at: "2026-05-17T05:04:45.987620+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Perpetua Resources CFO resigns; appoints Mark Murchison; seeks $200-250M financing

## Summary
- CFO Jessica Largent resigned effective Oct 1, 2025; will retire Jan 2, 2026; equity awards vest fully at target upon retirement.
- Mark Murchison appointed CFO/PAO effective Oct 1, 2025; base salary $400K, target bonus 50%, sign-on equity of 24,000 shares (RSU/PSU).
- Company plans RFP for off-site antimony processing; expects partner selection in Q4 2025 after due diligence.
- Advanced discussions for $200-250M financing (royalty, equity, government) to support financial assurance and early works construction in fall 2025.

## SEC filing metadata
- accession: 0001104659-25-095331
- form_type: 8-K
- ticker: PPTA
- cik: 0001526243
- company_name: PERPETUA RESOURCES CORP.
- filed_at: 2025-10-01T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1526243/000110465925095331/0001104659-25-095331-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1526243/000110465925095331/tm2527649d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-095331
- JSON: https://secwatch.observer/filing/0001104659-25-095331.json
- Plain text: https://secwatch.observer/filing/0001104659-25-095331.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.