Melinda C. Ellsworth - Mar 5, 2022 Form 4 Insider Report for KAISER ALUMINUM CORP (KALU)

Signature
/s/ Cherrie I. Tsai, with power of attorney for Melinda C. Ellsworth
Stock symbol
KALU
Transactions as of
Mar 5, 2022
Transactions value $
-$43,094
Form type
4
Date filed
3/8/2022, 04:44 PM

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 +996 +38.53% $0.00 3.58K Mar 5, 2022 Direct F1, F2
transaction KALU Common Stock, par value $0.01 per share Award $0 +304 +8.49% $0.00 3.89K Mar 5, 2022 Direct F2, F3
transaction KALU Common Stock, par value $0.01 per share Tax liability -$11.9K -125 -3.22% $95.13 3.76K Mar 5, 2022 Direct F2, F4
transaction KALU Common Stock, par value $0.01 per share Tax liability -$31.2K -328 -8.72% $95.13 3.43K Mar 5, 2022 Direct F5, F6
holding KALU Common Stock, par value $0.01 per share 6.85K Mar 5, 2022 By Ellsworth Revocable Living Trust
* 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, 2022 of restricted stock units under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan. All restrictions will lapse on March 5, 2025 or earlier upon the occurrence of certain specified circumstances.
F2 Includes 3,581 shares acquired pursuant to grants of restricted stock units.
F3 Shares earned upon the vesting on March 5, 2022 of certain performance shares granted to the reporting person in 2019 under the Kaiser Aluminum Corporation 2016 Equity and Incentive Compensation Plan. On March 5, 2022, 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 2019 through 2021.
F4 Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2022 of the above-referenced performance shares.
F5 Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2022 of certain restricted stock units granted to the reporting person in 2019 under the Kaiser Aluminum Corporation 2016 Equity and Incentive Compensation Plan.
F6 Includes 2,758 shares acquired pursuant to grants of restricted stock units.