| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/30/2023 | COLUMBIA BANKING SYSTEM, INC. | COLB | Purchase | Common Stock | 854 | $18.25 | $15.6k | | 06/30/2023 |
| 02/28/2023 | COLUMBIA BANKING SYSTEM, INC. | COLB | Grant | Common | 2k | $0.00 | $0 | | 02/28/2023 |
| 02/28/2023 | COLUMBIA BANKING SYSTEM, INC. | COLB | Grant | Common | 2.2k | $0.00 | $0 | | 02/28/2023 |
| 02/28/2023 | COLUMBIA BANKING SYSTEM, INC. | COLB | Grant | Common | 1.4k | $0.00 | $0 | | 02/28/2023 |
| 02/21/2023 | COLUMBIA BANKING SYSTEM, INC. | COLB | Grant | Common | 2.4k | $0.00 | $0 | | 02/21/2023 |
| 02/21/2023 | COLUMBIA BANKING SYSTEM, INC. | COLB | Grant | Common | 2k | $0.00 | $0 | | 02/21/2023 |
| 02/21/2023 | COLUMBIA BANKING SYSTEM, INC. | COLB | Grant | Common | 4.1k | $0.00 | $0 | | 02/21/2023 |
| 06/30/2022 | COLUMBIA BANKING SYSTEM, INC. | COLB | Purchase | Common | 748 | $25.79 | $19.3k | | 06/30/2022 |
| 05/02/2022 | COLUMBIA BANKING SYSTEM, INC. | COLB | Purchase | Common | 3k | $28.00 | $84k | | 05/02/2022 |
| 02/24/2022 | COLUMBIA BANKING SYSTEM, INC. | COLB | Purchase | Common | 3k | $33.45 | $100.4k | | 02/24/2022 |
| 02/15/2022 | COLUMBIA BANKING SYSTEM, INC. | COLB | Grant | Common | 1.4k | $36.75 | $51.2k | | 02/15/2022 |
| 02/15/2022 | COLUMBIA BANKING SYSTEM, INC. | COLB | Grant | Common | 952 | $36.75 | $35k | | 02/15/2022 |
| 07/06/2021 | COLUMBIA BANKING SYSTEM, INC. | COLB | Purchase | Common | 711 | $31.64 | $22.5k | | 07/06/2021 |
| 02/15/2021 | COLUMBIA BANKING SYSTEM, INC. | COLB | Purchase | Common | 935 | $24.06 | $22.5k | | 02/15/2021 |
| 02/15/2021 | COLUMBIA BANKING SYSTEM, INC. | COLB | Grant | Common | 1.4k | $43.09 | $61.9k | | 02/15/2021 |
| 05/06/2020 | COLUMBIA BANKING SYSTEM, INC. | COLB | Acquisition (small) | Common | 4k | $22.99 | $92k | | 05/06/2020 |