Devine David Moore

EVP Chief Marketing Officer · 1 filing · Latest: Mar 13, 2026

COLUMBIA BANKING SYSTEM, INC.

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
COLB	Devine David Moore	EVP Chief Marketing Officer	Mar 13, 2026	Tax Withholding	$26.23	376	$9.9K	22,508	Mar 17 8:35 PM
COLB	Devine David Moore	EVP Chief Marketing Officer	Mar 13, 2026	Option Exercise	$26.23	940	$24.7K	22,884	Mar 17 8:35 PM