John M. Donnan - Mar 5, 2025 Form 4 Insider Report for KAISER ALUMINUM CORP (KALU)

Signature
/s/ Cherrie I. Tsai, with power of attorney for John M. Donnan
Stock symbol
KALU
Transactions as of
Mar 5, 2025
Transactions value $
-$104,121
Form type
4
Date filed
3/7/2025, 04:30 PM
Previous filing
Mar 7, 2024

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 Award $0 +6.77K +20.46% $0.00 39.9K Mar 5, 2025 Direct F1, F2
transaction KALU Common Stock, par value $0.01 per share Award $0 +2.3K +5.77% $0.00 42.2K Mar 5, 2025 Direct F2, F3
transaction KALU Common Stock, par value $0.01 per share Tax liability -$42.4K -614 -1.46% $69.00 41.6K Mar 5, 2025 Direct F2, F4
transaction KALU Common Stock, par value $0.01 per share Tax liability -$61.8K -895 -2.15% $69.00 40.7K Mar 5, 2025 Direct F5, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Grant to the reporting person effective as of March 5, 2025 of restricted stock units under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended and restated. All restrictions will lapse on March 5, 2028 or earlier upon the occurrence of certain specified circumstances.
F2 Includes 21,415 shares acquired pursuant to grants of restricted stock units.
F3 Shares earned upon the vesting on March 5, 2025 of certain performance shares granted to the reporting person in 2022 under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan. On March 5, 2025, the Registrant's compensation committee certified the performance shares payout multiplier based on the level of achievement by the Registrant of certain pre-established performance goals for 2022 through 2024.
F4 Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2025 of the above-referenced performance shares.
F5 Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2025 of certain restricted stock units granted to the reporting person in 2022 under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan.
F6 Includes 17,962 shares acquired pursuant to grants of restricted stock units.