February 4, 2026 · Form 4 insider transaction
MACHUCA LUIS bought 562 shares of Columbia Banking System, Inc. at $31.12 per share, a transaction worth $17.5K. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.
The deferred compensation plan phantom stock was accrued under the Registrant's deferred compensation plan and will be paid in accordance with the terms of the deferred compensation plan following the end of the reporting person's employment with the Registrant.