<SEC-DOCUMENT>0001390478-16-000128.txt : 20160718
<SEC-HEADER>0001390478-16-000128.hdr.sgml : 20160718
<ACCEPTANCE-DATETIME>20160718181516
ACCESSION NUMBER:		0001390478-16-000128
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160714
FILED AS OF DATE:		20160718
DATE AS OF CHANGE:		20160718

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Galena Biopharma, Inc.
		CENTRAL INDEX KEY:			0001390478
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4640 SW MACADAM AVENUE
		STREET 2:		SUITE 270
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97239
		BUSINESS PHONE:		855 855 GALE

	MAIL ADDRESS:	
		STREET 1:		4640 SW MACADAM AVENUE
		STREET 2:		SUITE 270
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97239

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RXi Pharmaceuticals Corp
		DATE OF NAME CHANGE:	20110926

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GALENA BIOPHARMA, INC.
		DATE OF NAME CHANGE:	20110922

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RXI PHARMACEUTICALS CORP
		DATE OF NAME CHANGE:	20110921

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hillsberg Sanford
		CENTRAL INDEX KEY:			0001297696

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33958
		FILM NUMBER:		161772218

	MAIL ADDRESS:	
		STREET 1:		1801 CENTURY PARK EAST
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90067
</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>2016-07-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001390478</issuerCik>
        <issuerName>Galena Biopharma, Inc.</issuerName>
        <issuerTradingSymbol>GALE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001297696</rptOwnerCik>
            <rptOwnerName>Hillsberg Sanford</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GALENA BIOPHARMA, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2000 CROW CANYON PL., SUITE 380</rptOwnerStreet2>
            <rptOwnerCity>SAN RAMON</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94583</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.41</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2016-07-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2026-07-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Granted pursuant to the Issuer's 2016 Incentive Plan.</footnote>
        <footnote id="F2">This stock option will vest and become exercisable in equal, quarterly installments over one year, beginning three months from July 14, 2016, such that the option will be fully exercisable as of July 14, 2017.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Sanford J. Hillsberg</signatureName>
        <signatureDate>2016-07-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
