Neal E. West - 23 Feb 2026 Form 4 Insider Report for KAISER ALUMINUM CORP (KALU)

Role
EVP & CFO
Signature
/s/ Cherrie I. Tsai, with power of attorney for Neal West
Issuer symbol
KALU
Transactions as of
23 Feb 2026
Net transactions value
-$608,600
Form type
4
Filing time
25 Feb 2026, 16:54:21 UTC
Previous filing
02 May 2025
Next filing
09 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
West Neal E EVP & CFO 1550 WEST MCEWEN DRIVE, SUITE 500, FRANKLIN /s/ Cherrie I. Tsai, with power of attorney for Neal West 25 Feb 2026 0001330319

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KALU Common Stock, par value $0.01 per share Sale $608,600 -5,000 -28% $121.72 12,775 23 Feb 2026 By West Family Trust F1
holding KALU Common Stock, par value $0.01 per share 18,960 23 Feb 2026 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.