| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/01/2023 | KAISER ALUMINUM CORP | KALU | Payment of Exercise | Common Stock, par value $0.01 per share | 716 | $62.60 | $44.8k | | 06/01/2023 |
| 03/05/2023 | KAISER ALUMINUM CORP | KALU | Payment of Exercise | Common Stock, par value $0.01 per share | 289 | $84.33 | $24.4k | | 03/05/2023 |
| 03/05/2023 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 2.5k | $0.00 | $0 | | 03/05/2023 |
| 06/07/2022 | KAISER ALUMINUM CORP | KALU | Sale | Common Stock, par value $0.01 per share | 282 | $102.15 | $28.8k | | 06/07/2022 |
| 03/05/2022 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 932 | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 296 | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | KAISER ALUMINUM CORP | KALU | Payment of Exercise | Common Stock, par value $0.01 per share | 101 | $95.13 | $9.6k | | 03/05/2022 |
| 03/05/2022 | KAISER ALUMINUM CORP | KALU | Payment of Exercise | Common Stock, par value $0.01 per share | 265 | $95.13 | $25.2k | | 03/05/2022 |
| 03/08/2021 | KAISER ALUMINUM CORP | KALU | Sale | Common Stock, par value $0.01 per share | 378 | $115.41 | $43.6k | | 03/05/2021 |
| 03/05/2021 | KAISER ALUMINUM CORP | KALU | Payment of Exercise | Common Stock, par value $0.01 per share | 101 | $114.61 | $11.6k | | 03/05/2021 |
| 03/05/2021 | KAISER ALUMINUM CORP | KALU | Payment of Exercise | Common Stock, par value $0.01 per share | 47 | $114.61 | $5.4k | | 03/05/2021 |
| 03/05/2021 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 135 | $0.00 | $0 | | 03/05/2021 |
| 03/05/2021 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 795 | $0.00 | $0 | | 03/05/2021 |
| 03/05/2020 | KAISER ALUMINUM CORP | KALU | Payment of Exercise | Common Stock, par value $0.01 per share | 38 | $93.22 | $3.5k | | 03/05/2020 |
| 03/05/2020 | KAISER ALUMINUM CORP | KALU | Payment of Exercise | Common Stock, par value $0.01 per share | 157 | $93.22 | $14.6k | | 03/05/2020 |
| 03/05/2020 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 461 | $0.00 | $0 | | 03/05/2020 |
| 03/05/2020 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 852 | $0.00 | $0 | | 03/05/2020 |