| 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 | +5,587 | +32% | $0.000000 | 23,094 | 05 Mar 2022 | Direct | F1, F2 |
| transaction | KALU | Common Stock, par value $0.01 per share | Tax liability | $189,499 | -1,992 | -8.6% | $95.13 | 21,102 | 05 Mar 2022 | Direct | F2, F3 |
| transaction | KALU | Common Stock, par value $0.01 per share | Tax liability | $332,099 | -3,491 | -17% | $95.13 | 17,611 | 05 Mar 2022 | Direct | F4, F5 |
| holding | KALU | Common Stock, par value $0.01 per share | 17,243 | 05 Mar 2022 | By Hockema Family Trust |
| Id | Content |
|---|---|
| F1 | 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. |
| F2 | Includes 17,507 shares acquired pursuant to grants of restricted stock units. |
| F3 | Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2022 of the above-referenced performance shares. |
| F4 | 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. |
| F5 | Includes 9,019 shares acquired pursuant to grants of restricted stock units. |