January 20, 2026 · Form 4 insider transaction
OGNALL ANDREW H sold 1,353 shares of Columbia Banking System, Inc. at $28.35 per share, a transaction worth $38.4K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
Represents withholding of shares of common stock to satisfy the reporting person's tax withholding obligations in connection with the vesting of previously issued restricted stock units.