Thomas H. Robb - 16 Dec 2025 Form 3 Insider Report for KAISER ALUMINUM CORP (KALU)

Role
EVP - Manufacturing
Signature
/s/ Cherrie I. Tsai, with power of attorney for Thomas H. Robb
Issuer symbol
KALU
Transactions as of
16 Dec 2025
Net transactions value
$0
Form type
3
Filing time
14 Jan 2026, 17:59:58 UTC
Next filing
25 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Robb Thomas H. EVP - Manufacturing 1550 W. MCEWEN DRIVE,, SUITE 500, FRANKLIN /s/ Cherrie I. Tsai, with power of attorney for Thomas H. Robb 14 Jan 2026 0002105031

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding KALU Common Stock, par value $0.01 per share 14,504 16 Dec 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 14,504 shares acquired pursuant to grants of restricted stock units.