| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 05/17/2023 | XOMA Corp | XOMA | Grant | Non-Qualified Share Option (right to buy) | 11k | $21.39 | $234.6k | | 05/17/2023 |
| 05/18/2022 | XOMA Corp | XOMA | Grant | Non-Qualified Share Option (right to buy) | 9k | $17.86 | $160.7k | | 05/18/2022 |
| 05/19/2021 | XOMA Corp | XOMA | Grant | Non-Qualified Share Option (right to buy) | 5.1k | $31.04 | $158.3k | | 05/19/2021 |
| 05/20/2020 | XOMA Corp | XOMA | Grant | Non-Qualified Share Option (right to buy) | 6.2k | $21.27 | $130.9k | | 05/20/2020 |
| 05/16/2019 | XOMA Corp | XOMA | Grant | Non-Qualified Share Option (right to buy) | 8.2k | $15.59 | $127.3k | | 05/16/2019 |
| 05/17/2018 | XOMA Corp | XOMA | Grant | Non-Qualified Share Option (right to buy) | 5.1k | $25.16 | $127.1k | | 05/17/2018 |
| 09/15/2017 | XOMA Corp | XOMA | Grant | Non-Qualified Share Option (right to buy) | 2.4k | $19.40 | $45.9k | | 09/15/2017 |
| 02/10/2017 | XOMA Corp | XOMA | Grant | Non-Qualified Share Option (right to buy) | 8k | $4.03 | $32.2k | | 02/10/2017 |
| 07/21/2016 | XOMA Corp | XOMA | Grant | Common Shares | 48.2k | $0.00 | $0 | | 07/21/2016 |
| 07/21/2016 | XOMA Corp | XOMA | Grant | Non-Qualified Share Option (right to buy) | 60.5k | $0.56 | $33.9k | | 07/21/2016 |