<SEC-DOCUMENT>0000887343-25-000188-index.html : 20250516
<SEC-HEADER>0000887343-25-000188.hdr.sgml : 20250516
<ACCEPTANCE-DATETIME>20250516215150
ACCESSION NUMBER:		0000887343-25-000188
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250515
FILED AS OF DATE:		20250516
DATE AS OF CHANGE:		20250516

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SEATON ELIZABETH WHITEHEAD
		CENTRAL INDEX KEY:			0001610217
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20288
		FILM NUMBER:		25961370

	MAIL ADDRESS:	
		STREET 1:		C/O COLUMBIA BANKING SYSTEM, INC.
		STREET 2:		PO BOX 2156, MS WA0253-9
		CITY:			TACOMA
		STATE:			WA
		ZIP:			98401-2156

	FORMER NAME:	
		FORMER CONFORMED NAME:	Seaton Betsy Whitehead
		DATE OF NAME CHANGE:	20140606

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA BANKING SYSTEM, INC.
		CENTRAL INDEX KEY:			0000887343
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		ORGANIZATION NAME:           	02 Finance
		EIN:				911422237
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1301 A STREET
		CITY:			TACOMA
		STATE:			WA
		ZIP:			98402
		BUSINESS PHONE:		2533051900

	MAIL ADDRESS:	
		STREET 1:		1301 A STREET
		CITY:			TACOMA
		STATE:			WA
		ZIP:			98402

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLUMBIA BANKING SYSTEM INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1747446703.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wk-form4_1747446703.html

Document 1 - RAW XML: wk-form4_1747446703.xml

</DOCUMENT>
</SEC-DOCUMENT>