SEATON ELIZABETH WHITEHEAD [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
05/18/2023	COLUMBIA BANKING SYSTEM, INC.	COLB	Grant	Common Stock	4k	$0.00	$0	05/18/2023
02/21/2023	COLUMBIA BANKING SYSTEM, INC.	COLB	Grant	Common	1.7k	$0.00	$0	02/21/2023
05/26/2021	COLUMBIA BANKING SYSTEM, INC.	COLB	Grant	Common	1.7k	$0.00	$0	05/26/2021
05/27/2020	COLUMBIA BANKING SYSTEM, INC.	COLB	Grant	Common	2.6k	$0.00	$0	05/27/2020
07/24/2019	COLUMBIA BANKING SYSTEM, INC.	COLB	Grant	Common	1.9k	$36.80	$70k	07/24/2019
06/28/2018	COLUMBIA BANKING SYSTEM, INC.	COLB	Grant	Common	1.7k	$0.00	$0	06/28/2018
06/28/2017	COLUMBIA BANKING SYSTEM, INC.	COLB	Grant	Common	2k	$0.00	$0	06/28/2017