Kumi Yamamoto Baruffi, EVP General Counsel, Corporate Secretary at COLUMBIA BANKING SYSTEM, INC. (COLB), sold 937 shares at $26.23 ($25K) on 2026-03-13, disclosed to the SEC on 2026-03-17.
Seasonal sale ($25k) by EVP General Counsel, Corporate Secretary — this insider has traded COLB in March in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| COLB | BUY | 2022-07-01 | $12K | — | Filing → |
| COLB | BUY | 2022-01-05 | $5K | — | Filing → |
| COLB | BUY | 2021-07-06 | $10K | — | Filing → |