---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-070186"
form_type: "8-K"
ticker: "CENX"
cik: "0000949157"
company_name: "CENTURY ALUMINUM CO"
filed_at: "2025-07-24T23:59:59+00:00"
generated_at: "2026-05-18T03:03:19.396818+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Century Aluminum closes $400M 6.875% notes due 2032, redeems 2028 notes

## Summary
- Issued $400M aggregate principal 6.875% senior secured notes due Aug 1, 2032 at 100% of par.
- Net proceeds ~$395M used to redeem all $250M 7.50% notes due 2028 at ~$261M (101.875% + accrued interest).
- Redemption of 2028 notes scheduled Aug 5, 2025; indenture obligations satisfied.
- Entered Amendment No. 5 to credit facility extending maturity to July 22, 2030 and modifying other terms.
- Notes are secured by substantially all assets (excluding ABL collateral) and guaranteed by domestic subsidiaries.

## SEC filing metadata
- accession: 0001104659-25-070186
- form_type: 8-K
- ticker: CENX
- cik: 0000949157
- company_name: CENTURY ALUMINUM CO
- filed_at: 2025-07-24T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 1.02, 2.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/949157/000110465925070186/0001104659-25-070186-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/949157/000110465925070186/tm2521454d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-070186
- JSON: https://secwatch.observer/filing/0001104659-25-070186.json
- Plain text: https://secwatch.observer/filing/0001104659-25-070186.txt

## Key facts
- Debt Financings
  CENTURY ALUMINUM CO incurred senior notes of $400 million with Wilmington Trust, National Association at 6.875% per year maturing August 1, 2032.
  - Instrument: senior notes
  - Principal: $400 million
  - Counterparty: Wilmington Trust, National Association
  - Rate: 6.875% per year
  - Maturity: August 1, 2032
  - Event: incurrence
  source text: completed its previously announced offering of $400 million aggregate principal amount of 6.875% Senior Secured Notes due 2032
  evidence_url: https://www.sec.gov/Archives/edgar/data/949157/000110465925070186/0001104659-25-070186-index.htm

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