Iulian Gheorghe - 16 Dec 2025 Form 3 Insider Report for KAISER ALUMINUM CORP (KALU)

Signature
/s/ Cherrie I. Tsai, with power of attorney for Iulian Gheorghe
Issuer symbol
KALU
Transactions as of
16 Dec 2025
Net transactions value
$0
Form type
3
Filing time
12 Jan 2026, 19:08:28 UTC
Next filing
20 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gheorghe Iulian SVP - Adv Eng & Innovation 1550 W. MCEWEN DRIVE, SUITE 500, FRANKLIN /s/ Cherrie I. Tsai, with power of attorney for Iulian Gheorghe 12 Jan 2026 0002104071

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 4,063 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 4,063 shares acquired pursuant to grants of restricted stock units.