---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-257524"
form_type: "8-K"
ticker: "KALU"
cik: "0000811596"
company_name: "KAISER ALUMINUM CORP"
filed_at: "2026-06-04T20:30:16+00:00"
generated_at: "2026-06-04T21:00:46.570130+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Kaiser Aluminum shareholders approve 395K-share increase to equity plan, re-elect three directors

## Summary
- Shareholders approved amendment to 2021 equity plan, increasing authorized shares by 395,000 to total 1,183,000.
- Three Class I directors (Hoffman, Minor, Wilcox) elected with majority votes for terms through 2029.
- Advisory vote on executive compensation passed with 98.68% support; ratification of Deloitte as auditor passed with 98.20%.
- Amended equity plan approved by 94.43% of votes cast; plan now has minimum one-year vesting for most awards except exceptions.

## SEC filing metadata
- accession: 0001193125-26-257524
- form_type: 8-K
- ticker: KALU
- cik: 0000811596
- company_name: KAISER ALUMINUM CORP
- filed_at: 2026-06-04T20:30:16+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/811596/000119312526257524/0001193125-26-257524-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/811596/000119312526257524/kalu-20260604.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-257524
- JSON: https://secwatch.observer/filing/0001193125-26-257524.json
- Plain text: https://secwatch.observer/filing/0001193125-26-257524.txt

## Key facts
- Shareholder Votes
  KAISER ALUMINUM CORP shareholders approved Election of three Class I directors for terms expiring at the 2029 Annual Meeting.
  - Proposal: director election
  - Outcome: passed
  source text: 1. Election of Directors - The stockholders elected three Class I directors, each for a term expiring at the Company's 2029 Annual Meeting of Stockholders. Each received the affirmative vote of a majority of the votes cast at the 2026 Annual Meeting. The voting results were as follows: Nominee Name Votes For Votes Withheld Broker Non-Votes James D. Hoffman 13,600,788.963056 796.383000 722.574.000000 Glenda J. Minor 14,118,306.174456 278,865.788600 722.574.000000 Brett E. Wilcox 13,838,262.963056 558,909.000000 722.574.000000
  evidence_url: https://www.sec.gov/Archives/edgar/data/811596/000119312526257524/0001193125-26-257524-index.htm
- Shareholder Votes
  KAISER ALUMINUM CORP shareholders approved Advisory vote on executive compensation.
  - Proposal: say on pay
  - Outcome: passed
  source text: 2. Advisory Vote on Executive Compensation - The Company's stockholders approved, on an advisory, non-binding basis, the compensation of the Company's named executive officers. The voting results were as follows: For Against Abstain Broker Non-Votes 14,207,656.775510 171,450.243473 18,088.486942 722.574.000000
  evidence_url: https://www.sec.gov/Archives/edgar/data/811596/000119312526257524/0001193125-26-257524-index.htm
- Shareholder Votes
  KAISER ALUMINUM CORP shareholders approved Approval of the Amended 2021 Plan.
  - Proposal: equity plan
  - Outcome: passed
  source text: 4. Approval of the Amended 2021 Plan — The Company's stockholders approved the Amended 2021 Plan. The voting results were as follows: For Against Abstain Broker Non-Votes 13,595,325.653799 785,562.439006 16,307.413120 722.574.000000
  evidence_url: https://www.sec.gov/Archives/edgar/data/811596/000119312526257524/0001193125-26-257524-index.htm
- Shareholder Votes
  KAISER ALUMINUM CORP shareholders approved Ratification of selection of Deloitte & Touche LLP as independent registered public accounting firm for 2026.
  - Proposal: auditor ratification
  - Outcome: passed
  source text: 3. Ratification of the Selection of Independent Registered Public Accounting Firm - The Company's stockholders ratified the selection of Deloitte & Touche LLP as the independent registered public accounting firm for the Company for 2026. The voting results were as follows: For Against Abstain 14,847,826.494528 251,817.441411 20,125.569986
  evidence_url: https://www.sec.gov/Archives/edgar/data/811596/000119312526257524/0001193125-26-257524-index.htm

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