<SEC-DOCUMENT>0000939057-17-000301.txt : 20170710
<SEC-HEADER>0000939057-17-000301.hdr.sgml : 20170710
<ACCEPTANCE-DATETIME>20170710143052
ACCESSION NUMBER:		0000939057-17-000301
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170706
FILED AS OF DATE:		20170710
DATE AS OF CHANGE:		20170710

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			First Northwest Bancorp
		CENTRAL INDEX KEY:			0001556727
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTIONS, NOT FEDERALLY CHARTERED [6036]
		IRS NUMBER:				461259100
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		105 WEST 8TH STREET
		CITY:			PORT ANGELES
		STATE:			WA
		ZIP:			98362
		BUSINESS PHONE:		(360) 457-0461

	MAIL ADDRESS:	
		STREET 1:		105 WEST 8TH STREET
		CITY:			PORT ANGELES
		STATE:			WA
		ZIP:			98362

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Donohue Christopher A.
		CENTRAL INDEX KEY:			0001622985

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36741
		FILM NUMBER:		17957517

	MAIL ADDRESS:	
		STREET 1:		105 WEST 8TH STREET
		CITY:			PORT ANGELES
		STATE:			WA
		ZIP:			98362
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-07-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001556727</issuerCik>
        <issuerName>First Northwest Bancorp</issuerName>
        <issuerTradingSymbol>FNWB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001622985</rptOwnerCik>
            <rptOwnerName>Donohue Christopher A.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>105 WEST 8TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PORT ANGELES</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98362</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive VP, CCO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.01 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2017-07-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1476</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23524</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $0.01 par value</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By IRA</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects vesting of 5,000 shares of restricted stock of which 1,476 shares were withheld at the election of the Reporting Person for Issuer to pay the value of the vested shares to tax authorities for Reporting Person's account.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Christopher A. Donohue</signatureName>
        <signatureDate>2017-07-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
