MACHUCA LUIS (CIK 1133099) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-18). Recent activity: Buy COLB (3,949 shares), Buy COLB (3,382 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-18 | COLUMBIA BANKING SYSTEM, INC. (COLB) | Director | Buy | 3,949 | $0 |
| 2025-05-16 | COLUMBIA BANKING SYSTEM, INC. (COLB) | Director | Buy | 3,382 | $0 |
Source: SEC Form 4 filings · as of 2026-05-18