| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/07/2023 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 951 | $63.08 | $60k | | 06/07/2023 |
| 06/07/2023 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 2.1k | $0.00 | $0 | | 06/07/2023 |
| 06/02/2022 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 611 | $98.11 | $59.9k | | 06/02/2022 |
| 06/02/2022 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 1.3k | $0.00 | $0 | | 06/02/2022 |
| 06/03/2021 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 266 | $131.21 | $34.9k | | 06/03/2021 |
| 06/03/2021 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 952 | $0.00 | $0 | | 06/03/2021 |
| 06/10/2020 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 1.8k | $0.00 | $0 | | 06/10/2020 |
| 06/10/2020 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 491 | $71.15 | $34.9k | | 06/10/2020 |
| 10/28/2019 | KAISER ALUMINUM CORP | KALU | Sale | Common Stock, par value $0.01 per share | 4k | $108.45 | $433.8k | | 10/28/2019 |
| 06/06/2019 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 1.2k | $0.00 | $0 | | 06/06/2019 |
| 06/06/2019 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 336 | $92.79 | $31.2k | | 06/06/2019 |
| 06/14/2018 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 284 | $109.88 | $31.2k | | 06/14/2018 |
| 06/14/2018 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 1k | $0.00 | $0 | | 06/14/2018 |
| 06/14/2017 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 373 | $83.77 | $31.2k | | 06/14/2017 |
| 06/14/2017 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 1.3k | $0.00 | $0 | | 06/14/2017 |
| 05/26/2016 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 1.1k | $0.00 | $0 | | 05/26/2016 |
| 05/26/2016 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 283 | $88.07 | $24.9k | | 05/26/2016 |
| 03/25/2015 | KAISER ALUMINUM CORP | KALU | Gift | Common Stock, par value $0.01 per share | 2k | $0.00 | $0 | | 03/25/2015 |
| 06/04/2014 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 1.4k | $0.00 | $0 | | 06/04/2014 |
| 06/04/2014 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 655 | $68.62 | $44.9k | | 06/04/2014 |
| 06/04/2013 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 700 | $64.27 | $45k | | 06/04/2013 |
| 06/04/2013 | KAISER ALUMINUM CORP | KALU | Grant | Common Stock, par value $0.01 per share | 1.5k | $0.00 | $0 | | 06/04/2013 |