---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-127614"
form_type: "8-K"
ticker: "CENX"
cik: "0000949157"
company_name: "CENTURY ALUMINUM CO"
filed_at: "2024-12-11T23:59:59+00:00"
generated_at: "2026-05-29T04:58:34.393179+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Century Aluminum promotes Rob Hoffman to SVP, CIO and CAO, replacing Theresa Brainerd as principal accounting officer

## Summary
- Rob Hoffman promoted to Senior Vice President, Chief Information Officer and Chief Accounting Officer, effective December 9, 2024.
- Hoffman succeeds Theresa Brainerd as principal accounting officer, whose departure was effective December 5, 2024.
- Hoffman has been with Century since 2004, previously served as VP, CAO and CIO since 2021.
- No family relationships or reportable transactions between Hoffman and company/directors.

## SEC filing metadata
- accession: 0001104659-24-127614
- form_type: 8-K
- ticker: CENX
- cik: 0000949157
- company_name: CENTURY ALUMINUM CO
- filed_at: 2024-12-11T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/949157/000110465924127614/0001104659-24-127614-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/949157/000110465924127614/tm2430766d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-127614
- JSON: https://secwatch.observer/filing/0001104659-24-127614.json
- Plain text: https://secwatch.observer/filing/0001104659-24-127614.txt

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