Namdar Frank (CIK 1759802) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-17). Recent activity: Buy COLB (2,820 shares), Sell COLB (1,367 shares), Sell COLB (1,808 shares), Sell COLB (1,169 shares), Buy COLB (4,667 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Credit Officer | Buy | 2,820 | $73,969 |
| 2026-03-17 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Credit Officer | Sell | 1,367 | $35,856 |
| 2026-03-02 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Credit Officer | Sell | 1,808 | $51,438 |
| 2026-02-18 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Credit Officer | Sell | 1,169 | $36,812 |
| 2026-02-04 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Credit Officer | Buy | 4,667 | $138,563 |
| 2026-02-04 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Credit Officer | Sell | 2,383 | $70,751 |
| 2026-01-22 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Credit Officer | Sell | 579 | $0 |
| 2026-01-22 | COLUMBIA BANKING SYSTEM, INC. (COLB) | EVP Chief Credit Officer | Sell | 1,652 | $46,834 |
来源：SEC Form 4 申报文件 · 截至 2026-03-17