<SEC-DOCUMENT>0001193125-23-193532-index.html : 20230725
<SEC-HEADER>0001193125-23-193532.hdr.sgml : 20230725
<ACCEPTANCE-DATETIME>20230725170034
ACCESSION NUMBER:		0001193125-23-193532
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		13
FILED AS OF DATE:		20230725
DATE AS OF CHANGE:		20230725
EFFECTIVENESS DATE:		20230725

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:	333-273424
		FILM NUMBER:		231109345

	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>d529861ds8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: d529861ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.3
<SEQUENCE>2
<FILENAME>d529861dex43.htm
<DESCRIPTION>EX-4.3
<TEXT>
Document 2 - file: d529861dex43.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.4
<SEQUENCE>3
<FILENAME>d529861dex44.htm
<DESCRIPTION>EX-4.4
<TEXT>
Document 3 - file: d529861dex44.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.5
<SEQUENCE>4
<FILENAME>d529861dex45.htm
<DESCRIPTION>EX-4.5
<TEXT>
Document 4 - file: d529861dex45.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.6
<SEQUENCE>5
<FILENAME>d529861dex46.htm
<DESCRIPTION>EX-4.6
<TEXT>
Document 5 - file: d529861dex46.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.7
<SEQUENCE>6
<FILENAME>d529861dex47.htm
<DESCRIPTION>EX-4.7
<TEXT>
Document 6 - file: d529861dex47.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.8
<SEQUENCE>7
<FILENAME>d529861dex48.htm
<DESCRIPTION>EX-4.8
<TEXT>
Document 7 - file: d529861dex48.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>8
<FILENAME>d529861dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 8 - file: d529861dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>9
<FILENAME>d529861dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 9 - file: d529861dex232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.3
<SEQUENCE>10
<FILENAME>d529861dex233.htm
<DESCRIPTION>EX-23.3
<TEXT>
Document 10 - file: d529861dex233.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.4
<SEQUENCE>11
<FILENAME>d529861dex234.htm
<DESCRIPTION>EX-23.4
<TEXT>
Document 11 - file: d529861dex234.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>12
<FILENAME>d529861dex241.htm
<DESCRIPTION>EX-24.1
<TEXT>
Document 12 - file: d529861dex241.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>13
<FILENAME>d529861dexfilingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 13 - file: d529861dexfilingfees.htm

</DOCUMENT>
</SEC-DOCUMENT>