---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-087836"
form_type: "8-K"
ticker: "EU"
cik: "0001500881"
company_name: "enCore Energy Corp."
filed_at: "2025-04-22T23:59:59+00:00"
generated_at: "2026-05-23T09:13:49.164303+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# enCore Energy terminates COO, promotes McCoig; reports Alta Mesa wellfield progress with 32 wells installed

## Summary
- Peter Luthiger terminated as COO; Dain McCoig promoted to Senior VP of Operations, overseeing operations and reporting to acting CEO.
- Alta Mesa wellfield: 32 wells installed (15 extractors, 17 injectors); uranium-bearing solution expected by April 23, 2025.
- Wellfield 8 renamed to Wellfield 3-Extension to reduce permitting timelines and wellfield installation costs.
- Installation of PathCAD simulation software to optimize wellfield flow and uranium extraction.
- Alta Mesa optimization training and updated procedures are ongoing to enhance future operations.

## SEC filing metadata
- accession: 0001193125-25-087836
- form_type: 8-K
- ticker: EU
- cik: 0001500881
- company_name: enCore Energy Corp.
- filed_at: 2025-04-22T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1500881/000119312525087836/0001193125-25-087836-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1500881/000119312525087836/d949400d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-087836
- JSON: https://secwatch.observer/filing/0001193125-25-087836.json
- Plain text: https://secwatch.observer/filing/0001193125-25-087836.txt

## Key facts
- Executive change
  Peter Luthiger was terminated as Chief Operating Officer at enCore Energy Corp..
  - Action: terminated
  - Role: Chief Operating Officer
  source text: On April 17, 2025 Peter Luthiger was terminated as enCore Energy Corp.’s (the “Company”) Chief Operating Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1500881/000119312525087836/0001193125-25-087836-index.htm

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