<SEC-DOCUMENT>0000946673-25-000070.txt : 20250908
<SEC-HEADER>0000946673-25-000070.hdr.sgml : 20250908
<ACCEPTANCE-DATETIME>20250908193309
ACCESSION NUMBER:		0000946673-25-000070
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250901
FILED AS OF DATE:		20250908
DATE AS OF CHANGE:		20250908

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tracey Millicent C.
		CENTRAL INDEX KEY:			0001876557
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26584
		FILM NUMBER:		251301332

	MAIL ADDRESS:	
		STREET 1:		1300 CLAY STREET, FIFTH FLOOR
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94612

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BANNER CORP
		CENTRAL INDEX KEY:			0000946673
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		ORGANIZATION NAME:           	02 Finance
		EIN:				911691604
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10 S FIRST AVENUE
		CITY:			WALLA WALLA
		STATE:			WA
		ZIP:			99362
		BUSINESS PHONE:		509-344-5342

	MAIL ADDRESS:	
		STREET 1:		10 S FIRST AVENUE
		CITY:			WALLA WALLA
		STATE:			WA
		ZIP:			99362

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST WASHINGTON BANCORP INC /WA/
		DATE OF NAME CHANGE:	19980727

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST SAVINGS BANK OF WASHINGTON BANCORP INC
		DATE OF NAME CHANGE:	19950614
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2025-09-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000946673</issuerCik>
        <issuerName>BANNER CORP</issuerName>
        <issuerTradingSymbol>BANR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001876557</rptOwnerCik>
            <rptOwnerName>Tracey Millicent C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10 SOUTH FIRST AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WALLA WALLA</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>99362</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Millicent C. Tracey</signatureName>
        <signatureDate>2025-09-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
