| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For COLB | |||||
| 2025-11-05 | Machuca, Luis | Director | Purchased | 630 | $26.55 |
| 2025-09-02 | Studenmund, Jaynie M | Director | Purchased | 2205 | $0.00 |
| 2025-09-02 | Mitchell, M Christian | Director | Purchased | 2205 | $0.00 |
| 2025-08-31 | Studenmund, Jaynie M | Director | Purchased | 15653 | $0.00 |
| 2025-08-31 | Studenmund, Jaynie M | Director | Purchased | 3843 | $0.00 |
| 2025-08-31 | Mitchell, M Christian | Director | Purchased | 35755 | $0.00 |
| 2025-08-31 | Gardner, Steven R | Director | Purchased | 245875 | $0.00 |
| 2025-08-31 | Gardner, Steven R | Director | Purchased | 338221 | $0.00 |
| 2025-07-29 | Machuca, Luis | Director | Purchased | 668 | $24.83 |
| 2025-07-22 | Giem, Judi | EVP CHRO | Purchased | 7179 | $24.38 |
| 2025-07-22 | Giem, Judi | EVP CHRO | Purchased | 3590 | $24.38 |
| 2025-06-02 | Machuca, Luis | Director | Purchased | 708 | $23.29 |
| 2025-05-15 | Forrest, Eric | Director | Purchased | 3382 | $0.00 |
| 2025-05-15 | Pope, Maria M | Director | Purchased | 3382 | $0.00 |
| 2025-05-15 | Finkelstein, Mark A | Director | Purchased | 3382 | $0.00 |
| 2025-05-15 | Lund, Randal Lee | Director | Purchased | 3382 | $0.00 |
| 2025-05-15 | Machuca, Luis | Director | Purchased | 3382 | $0.00 |
| 2025-05-15 | Numata, S Mae Fujita | Director | Purchased | 3382 | $0.00 |
| 2025-05-15 | Schultz, John F | Director | Purchased | 3382 | $0.00 |
| 2025-05-15 | Seaton, Elizabeth Whitehead | Director | Purchased | 3382 | $0.00 |