<SEC-DOCUMENT>0001193125-23-056487-index.html : 20230301
<SEC-HEADER>0001193125-23-056487.hdr.sgml : 20230301
<ACCEPTANCE-DATETIME>20230301165942
ACCESSION NUMBER:		0001193125-23-056487
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20230301
DATE AS OF CHANGE:		20230301
EFFECTIVENESS DATE:		20230301

FILER:

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

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-270191
		FILM NUMBER:		23694637

	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>S-8
<SEQUENCE>1
<FILENAME>d457553ds8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: d457553ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.5
<SEQUENCE>2
<FILENAME>d457553dex45.htm
<DESCRIPTION>EX-4.5
<TEXT>
Document 2 - file: d457553dex45.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.6
<SEQUENCE>3
<FILENAME>d457553dex46.htm
<DESCRIPTION>EX-4.6
<TEXT>
Document 3 - file: d457553dex46.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>4
<FILENAME>d457553dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 4 - file: d457553dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>5
<FILENAME>d457553dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 5 - file: d457553dex232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>6
<FILENAME>d457553dex241.htm
<DESCRIPTION>EX-24.1
<TEXT>
Document 6 - file: d457553dex241.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>7
<FILENAME>d457553dexfilingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 7 - file: d457553dexfilingfees.htm

</DOCUMENT>
</SEC-DOCUMENT>