Anderson Drew K (CIK 1955918) reported 11 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-17). Recent activity: Buy COLB (2,506 shares), Sell COLB (1,215 shares), Sell COLB (1,808 shares), Sell COLB (788 shares), Buy COLB (3,146 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Admin Officer | Buy | 2,506 | $65,732 |
| 2026-03-17 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Admin Officer | Sell | 1,215 | $31,869 |
| 2026-03-02 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Admin Officer | Sell | 1,808 | $51,438 |
| 2026-02-18 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Admin Officer | Sell | 788 | $24,814 |
| 2026-02-04 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Admin Officer | Buy | 3,146 | $93,405 |
| 2026-02-04 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Admin Officer | Sell | 1,710 | $50,770 |
| 2026-01-22 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Admin Officer | Sell | 390 | $0 |
| 2026-01-22 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Admin Officer | Sell | 1,114 | $31,582 |
| 2025-03-04 | COLUMBIA BANKING SYSTEM, INC. (COLB) | Chief Administrative Officer | Sell | 1,127 | $30,125 |
| 2025-03-04 | COLUMBIA BANKING SYSTEM, INC. (COLB) | Chief Administrative Officer | Sell | 1,944 | $51,963 |
| 2025-02-18 | COLUMBIA BANKING SYSTEM, INC. (COLB) | Chief Administrative Officer | Sell | 884 | $24,230 |
Source: SEC Form 4 filings · as of 2026-03-17