Robb Thomas H. 4
4 · KAISER ALUMINUM CORP · Filed Feb 25, 2026
Insider Transaction Report
Form 4
Robb Thomas H.
EVP - Manufacturing
Transactions
- Award
Common Stock, par value $0.01 per share
[F1][F2]2026-02-23+440→ 14,944 total
Footnotes (2)
- [F1]Grant to the reporting person effective as of February 23, 2026 of restricted stock units under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended and restated. All restrictions on 220 restricted stock units will lapse on February 23, 2029 or earlier upon the occurrence of certain specified circumstances, and all restrictions on the remaining 220 restricted stock units will lapse on February 23, 2031 or earlier upon the occurrence of certain specified circumstances.
- [F2]Shares acquired pursuant to grants of restricted stock units.
Signature
/s/ Cherrie I. Tsai, with power of attorney for Thomas H. Robb|2026-02-25