---
schema_version: "secwatch.filing_event.v1"
accession: "0001062993-26-002851"
form_type: "8-K"
ticker: "RYES"
cik: "0001424864"
company_name: "Rise Gold Corp."
filed_at: "2026-05-22T21:26:26+00:00"
generated_at: "2026-05-22T21:29:18.037450+00:00"
event_type: "litigation"
sentiment: "negative"
materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Rise Gold subsidiary loses summary judgment in Clean Water Act suit; disputes ruling

## Summary
- US District Court granted summary judgment against Rise Grass Valley in CWA case 2:24-cv-03643.
- Plaintiff CEA alleged discharges of metals (including arsenic) from historic mine shafts without permit.
- Rise disputes ruling: does not own surface drains or top 200 ft of ground; water at depth shows no arsenic.
- CEO states judge misapplied summary judgment standard; management reviewing ruling and options.

## SEC filing metadata
- accession: 0001062993-26-002851
- form_type: 8-K
- ticker: RYES
- cik: 0001424864
- company_name: Rise Gold Corp.
- filed_at: 2026-05-22T21:26:26+00:00
- event_type: litigation
- sentiment: negative
- materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1424864/000106299326002851/0001062993-26-002851-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1424864/000106299326002851/form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001062993-26-002851
- JSON: https://secwatch.observer/filing/0001062993-26-002851.json
- Plain text: https://secwatch.observer/filing/0001062993-26-002851.txt

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