---
schema_version: "secwatch.filing_event.v1"
accession: "0000949157-25-000033"
form_type: "8-K"
ticker: "CENX"
cik: "0000949157"
company_name: "CENTURY ALUMINUM CO"
filed_at: "2025-05-07T23:59:59+00:00"
generated_at: "2026-05-22T10:25:16.338574+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Century Aluminum Q1 2025 net income $29.7M, down 34% from Q4; adjusted EPS $0.36

## Summary
- Aluminum shipments 168,672 tonnes, up 1.2% from Q4 2024 (166,677 tonnes).
- Net sales $633.9M, up from $630.9M sequentially; net income fell to $29.7M ($0.29 diluted EPS).
- Adjusted net income $36.6M ($0.36 adjusted EPS), down from $43.5M ($0.42) in Q4.
- Adjusted EBITDA $78.0M vs $80.9M in prior quarter, a 3.6% decline.
- Results reflect stable shipments but weaker profitability amid aluminum market conditions.

## SEC filing metadata
- accession: 0000949157-25-000033
- form_type: 8-K
- ticker: CENX
- cik: 0000949157
- company_name: CENTURY ALUMINUM CO
- filed_at: 2025-05-07T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/949157/000094915725000033/0000949157-25-000033-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/949157/000094915725000033/cenx-20250507.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000949157-25-000033
- JSON: https://secwatch.observer/filing/0000949157-25-000033.json
- Plain text: https://secwatch.observer/filing/0000949157-25-000033.txt

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