| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| COLB | SVP & Chief Accounting Officer | Feb 28, 2022 |
Option Exercise | $36.63 | 151 | 5,531 | 6,861 | Mar 02, 2022, 03:21 PM |
| COLB | SVP & Chief Accounting Officer | Feb 25, 2022 |
Option Exercise | $36.97 | 181 | 6,692 | 7,012 | Feb 28, 2022, 06:34 PM |
| COLB | SVP & Chief Accounting Officer | Feb 15, 2022 |
Option Exercise | $36.75 | 363 | 13,340 | 7,357 | Feb 17, 2022, 03:42 PM |
| COLB | SVP & Chief Accounting Officer | Feb 26, 2021 |
Option Exercise | $44.29 | 210 | 9,301 | 7,556 | Mar 02, 2021, 06:05 PM |
| COLB | SVP & Chief Accounting Officer | Feb 22, 2021 |
Option Exercise | $45.93 | 105 | 4,823 | 6,139 | Feb 24, 2021, 05:50 PM |
| COLB | SVP & Chief Accounting Officer | Feb 15, 2021 |
Option Exercise | $43.09 | 204 | 8,790 | 6,244 | Feb 17, 2021, 12:19 PM |
| COLB | SVP & Chief Accounting Officer | Feb 28, 2020 |
Option Exercise | $33.20 | 60 | 1,992 | 6,448 | Mar 02, 2020, 01:38 PM |
| COLB | SVP & Chief Accounting Officer | Feb 27, 2020 |
Option Exercise | $34.35 | 2,000 | 68,700 | 6,508 | Mar 02, 2020, 01:33 PM |
| COLB | SVP & Chief Accounting Officer | Feb 24, 2020 |
Option Exercise | $37.48 | 149 | 5,585 | 4,508 | Feb 25, 2020, 07:39 PM |
| COLB | SVP & Chief Accounting Officer | Feb 21, 2020 |
Option Exercise | $38.69 | 63 | 2,437 | 4,657 | Feb 24, 2020, 07:57 PM |
| COLB | SVP & Chief Accounting Officer | Feb 27, 2019 |
Option Exercise | $38.00 | 2,000 | 76,000 | 4,720 | Mar 01, 2019, 06:52 PM |
| COLB | SVP & Chief Accounting Officer | Feb 25, 2019 |
Option Exercise | $37.97 | 149 | 5,658 | 2,720 | Feb 26, 2019, 11:05 AM |
| COLB | SVP & Chief Accounting Officer | Feb 22, 2019 |
Option Exercise | $38.32 | 131 | 5,020 | 2,869 | Feb 25, 2019, 09:52 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| COLB | SVP & Chief Accounting Officer | Feb 28, 2022 |
Option Exercise | 5,531 |
| COLB | SVP & Chief Accounting Officer | Feb 25, 2022 |
Option Exercise | 6,692 |
| COLB | SVP & Chief Accounting Officer | Feb 15, 2022 |
Option Exercise | 13,340 |
| COLB | SVP & Chief Accounting Officer | Feb 26, 2021 |
Option Exercise | 9,301 |
| COLB | SVP & Chief Accounting Officer | Feb 22, 2021 |
Option Exercise | 4,823 |
| COLB | SVP & Chief Accounting Officer | Feb 15, 2021 |
Option Exercise | 8,790 |
| COLB | SVP & Chief Accounting Officer | Feb 28, 2020 |
Option Exercise | 1,992 |
| COLB | SVP & Chief Accounting Officer | Feb 27, 2020 |
Option Exercise | 68,700 |
| COLB | SVP & Chief Accounting Officer | Feb 24, 2020 |
Option Exercise | 5,585 |
| COLB | SVP & Chief Accounting Officer | Feb 21, 2020 |
Option Exercise | 2,437 |
| COLB | SVP & Chief Accounting Officer | Feb 27, 2019 |
Option Exercise | 76,000 |
| COLB | SVP & Chief Accounting Officer | Feb 25, 2019 |
Option Exercise | 5,658 |
| COLB | SVP & Chief Accounting Officer | Feb 22, 2019 |
Option Exercise | 5,020 |
