Deer Aaron James (CIK 1810107) reported 13 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-02). Recent activity: Buy COLB (886 shares), Buy COLB (1,567 shares), Sell COLB (617 shares), Sell COLB (918 shares), Sell COLB (531 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Strategy/Innov Offcr | Buy | 886 | $22,478 |
| 2026-03-17 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Strategy/Innov Offcr | Buy | 1,567 | $41,102 |
| 2026-03-17 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Strategy/Innov Offcr | Sell | 617 | $16,184 |
| 2026-03-02 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Strategy/Innov Offcr | Sell | 918 | $26,117 |
| 2026-02-18 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Strategy/Innov Offcr | Sell | 531 | $16,721 |
| 2026-02-04 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Strategy/Innov Offcr | Buy | 2,620 | $77,788 |
| 2026-02-04 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Strategy/Innov Offcr | Sell | 1,191 | $35,361 |
| 2026-01-22 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Strategy/Innov Offcr | Sell | 325 | $0 |
| 2026-01-22 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Strategy/Innov Offcr | Sell | 776 | $22,000 |
| 2025-03-04 | COLUMBIA BANKING SYSTEM, INC. (COLB) | Chief Strategy/Innovation Offc | Sell | 918 | $24,538 |
| 2025-02-18 | COLUMBIA BANKING SYSTEM, INC. (COLB) | Chief Strategy/Innovation Offc | Buy | 1,304 | $35,743 |
| 2025-02-18 | COLUMBIA BANKING SYSTEM, INC. (COLB) | Chief Strategy/Innovation Offc | Sell | 506 | $13,869 |
| 2025-02-18 | COLUMBIA BANKING SYSTEM, INC. (COLB) | Chief Strategy/Innovation Offc | Sell | 533 | $14,610 |
Source: SEC Form 4 filings · as of 2026-07-02