---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-325321"
form_type: "8-K"
ticker: "KALU"
cik: "0000811596"
company_name: "KAISER ALUMINUM CORP"
filed_at: "2025-12-19T23:59:59+00:00"
generated_at: "2026-05-16T12:40:16.510073+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Kaiser Aluminum names Barger EVP Sales & Marketing and Robb EVP Manufacturing

## Summary
- Hugh (Jack) J. Barger, III appointed EVP – Sales and Marketing effective January 1, 2026, succeeding Blain A. Tiffany who is retiring.
- Thomas H. Robb appointed EVP – Manufacturing on December 16, 2025; previously SVP Manufacturing and VP Finance.
- Barger joined Kaiser Aluminum in June 2025 as SVP – Sales and Marketing, bringing 25+ years metals industry experience.
- Robb rejoined in August 2024 and has over 20 years international aluminum and metals experience.

## SEC filing metadata
- accession: 0001193125-25-325321
- form_type: 8-K
- ticker: KALU
- cik: 0000811596
- company_name: KAISER ALUMINUM CORP
- filed_at: 2025-12-19T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/811596/000119312525325321/0001193125-25-325321-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/811596/000119312525325321/kalu-20251218.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-325321
- JSON: https://secwatch.observer/filing/0001193125-25-325321.json
- Plain text: https://secwatch.observer/filing/0001193125-25-325321.txt

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