---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-209051"
form_type: "8-K"
ticker: "KALU"
cik: "0000811596"
company_name: "KAISER ALUMINUM CORP"
filed_at: "2025-09-19T23:59:59+00:00"
generated_at: "2026-05-17T06:10:36.092398+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Kaiser Aluminum appoints James D. Hoffman, former Reliance CEO, to board

## Summary
- Appointed as independent Class II director effective Sept 18, 2025; term expires at 2026 annual meeting.
- Hoffman served as CEO of Reliance, Inc., North America's largest metals service center, 2019-2022.
- Will serve on the board's compensation and nominating & corporate governance committees.
- Brings over 43 years of metals distribution, fabrication, and service center experience.
- Standard non-employee director compensation prorated for less than full year of service.

## SEC filing metadata
- accession: 0001193125-25-209051
- form_type: 8-K
- ticker: KALU
- cik: 0000811596
- company_name: KAISER ALUMINUM CORP
- filed_at: 2025-09-19T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/811596/000119312525209051/0001193125-25-209051-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/811596/000119312525209051/kalu-20250918.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-209051
- JSON: https://secwatch.observer/filing/0001193125-25-209051.json
- Plain text: https://secwatch.observer/filing/0001193125-25-209051.txt

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