---
schema_version: "secwatch.filing_event.v1"
accession: "0001062993-26-001182"
form_type: "8-K"
ticker: "UUUU"
cik: "0001385849"
company_name: "ENERGY FUELS INC"
filed_at: "2026-02-26T23:59:59+00:00"
generated_at: "2026-05-15T23:29:42.462057+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "medium"
source: SEC EDGAR
---

# Energy Fuels releases updated PFS for Pinyon Plain Mine: 133K tons at 0.97% U3O8, 2.6 Mlb produced over 32 months

## Summary
- Pinyon Plain PFS: 133K st ore at 0.97% U3O8 producing 2.47Mlb U3O8 over 32-month LOM; ore trucked to White Mesa Mill with 96% recovery.
- Proven & Probable reserves total 133K st at 0.97% U3O8 (2.57Mlb in situ); Indicated resources: 19K st at 0.54% eU3O8; Inferred: 14.9K st at 0.81% eU3O8.
- Feasibility study released for the Donald Rare Earths & Mineral Sands Project in Victoria, Australia – no economic or technical details provided.
- Economic assumptions: $80/lb U3O8 for reserves, $90/lb for resources; after-tax sensitivity analysis included in the report.

## SEC filing metadata
- accession: 0001062993-26-001182
- form_type: 8-K
- ticker: UUUU
- cik: 0001385849
- company_name: ENERGY FUELS INC
- filed_at: 2026-02-26T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: medium
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1385849/000106299326001182/0001062993-26-001182-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1385849/000106299326001182/form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001062993-26-001182
- JSON: https://secwatch.observer/filing/0001062993-26-001182.json
- Plain text: https://secwatch.observer/filing/0001062993-26-001182.txt

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