Columbia Banking System, Inc. - COLB

Include option trades

Include indirect trades

EDGAR CIK

1 Month 3 Month 6 Month 1 Year 2 Years

Buy Breakdown

No buy transactions for this time period.

Transaction	Filed	Name	Type	Shares @ Price	Value	Balance change		Ownership
06/08/2026	06/10/2026	Moore Devine David EVP Chief Marketing Officer Officer	Sell	-3,872 @ $29.77	($115,288.50)	18,636	(-17.20%)	Direct
03/04/2026	03/05/2026	Nixon Torran B Senior Executive VP Officer	Sell	-2,240 @ $28.85	($64,624.00)	98,229	(-2.23%)	Direct
03/03/2026	03/05/2026	Nixon Torran B Senior Executive VP Officer	Sell	-2,241 @ $28.25	($63,308.25)	100,469	(-2.18%)	Direct