SEC Form 4 · accession 0001193125-26-260114
KAISER ALUMINUM CORP · KALU
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
michael c arnold
Director
Period of report
Jun 4, 2026
Accepted (ET)
Jun 5, 2026 · 6:19 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000811596
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock, par value $0.01 per shareF1 | Jun 4, 2026 | A | 786 | $0.00 | A | 11,445 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Grant to the reporting person of restricted stock under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended and restated. All restrictions will lapse on June 4, 2027.