---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-073935"
form_type: "8-K"
ticker: "EU"
cik: "0001500881"
company_name: "enCore Energy Corp."
filed_at: "2025-04-07T23:59:59+00:00"
generated_at: "2026-05-23T19:37:42.405946+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# enCore Energy captures 50,000 lbs U3O8 in 26 days at Alta Mesa; appoints acting CEO to board

## Summary
- Alta Mesa CPP captured 50,000 lbs U3O8 in 26 days ending March 31, 2025; average daily rate >1,900 lbs (highest since June 2024).
- Year-to-date delivered 290,000 lbs under contracts; expects total 2025 deliveries of 655,000 lbs, no need to purchase additional uranium.
- Accelerated August 2025 contract deliveries to May 2025 due to improved capture.
- Robert Willette appointed to Board as acting CEO; will resign when permanent CEO found. Daniel Calderon promoted to Director of Texas Operations.

## SEC filing metadata
- accession: 0001193125-25-073935
- form_type: 8-K
- ticker: EU
- cik: 0001500881
- company_name: enCore Energy Corp.
- filed_at: 2025-04-07T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1500881/000119312525073935/0001193125-25-073935-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1500881/000119312525073935/d923779d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-073935
- JSON: https://secwatch.observer/filing/0001193125-25-073935.json
- Plain text: https://secwatch.observer/filing/0001193125-25-073935.txt

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