KAISER ALUMINUM CORP·4

Feb 25, 4:54 PM ET

West Neal E 4

4 · KAISER ALUMINUM CORP · Filed Feb 25, 2026

Insider Transaction Report

Form 4
Period: 2026-02-23
West Neal E
EVP & CFO
Transactions
  • Sale

    Common Stock, par value $0.01 per share

    [F1]
    2026-02-23$121.72/sh5,000$608,60012,775 total(indirect: By Trust)
Holdings
  • Common Stock, par value $0.01 per share

    [F2]
    18,960
Footnotes (2)
  • [F1]Represents the sale of 5,000 shares in multiple transactions, ranging from $120.00 to $125.69 per share, resulting in a weighted average sale price of $121.72 per share. The reporting person undertakes to provide upon request by the SEC staff, the Registrant, or a security holder of the Registrant, full information regarding the number of shares sold at each separate price within the range.
  • [F2]Shares acquired pursuant to grants of restricted stock units.
Signature
/s/ Cherrie I. Tsai, with power of attorney for Neal West|2026-02-25

Documents

1 file
  • 4
    ownership.xmlPrimary

    4