---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-068574"
form_type: "8-K"
ticker: "PPTA"
cik: "0001526243"
company_name: "PERPETUA RESOURCES CORP."
filed_at: "2026-06-01T11:40:43+00:00"
generated_at: "2026-06-01T11:45:11.676328+00:00"
event_type: "litigation"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Court denies preliminary injunction against Perpetua's Stibnite Gold Project; construction resumes

## Summary
- U.S. District Court for Idaho denied environmental groups' motion for preliminary injunction on May 29, 2026.
- Plaintiffs (Save the South Fork Salmon, Idaho Conservation League) alleged NEPA violations in suit filed Feb 2025.
- Company started additional critical path construction on May 30, including Burntlog Route road upgrades.
- Construction also includes on-site housing, powerline upgrades, and exploration/geotechnical drilling.
- Court granted in part company's motion to strike certain plaintiff materials related to the injunction.

## SEC filing metadata
- accession: 0001104659-26-068574
- form_type: 8-K
- ticker: PPTA
- cik: 0001526243
- company_name: PERPETUA RESOURCES CORP.
- filed_at: 2026-06-01T11:40:43+00:00
- event_type: litigation
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1526243/000110465926068574/0001104659-26-068574-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1526243/000110465926068574/tm2616463d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-068574
- JSON: https://secwatch.observer/filing/0001104659-26-068574.json
- Plain text: https://secwatch.observer/filing/0001104659-26-068574.txt

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