BARUFFI KUMI YAMAMOTO sold COLB

February 15, 2026 · Form 4 insider transaction

BARUFFI KUMI YAMAMOTO sold 1,036 shares of Columbia Banking System, Inc. at $31.49 per share, a transaction worth $32.6K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 3 days after the transaction.