December 3, 2025 · Form 4 insider transaction
MACHUCA LUIS bought 65 shares of Columbia Banking System, Inc. at $28.17 per share, a transaction worth $1.8K. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 64 days after the transaction.
The deferred compensation plan phantom stock was accrued under the Registrant's deferred compensation plan and the result of a transaction by the plan administrator that the reporting person did not request and that they were not aware of at the time of the transaction. The phantom stock 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.