<SEC-DOCUMENT>0001394548-17-000026.txt : 20170706
<SEC-HEADER>0001394548-17-000026.hdr.sgml : 20170706
<ACCEPTANCE-DATETIME>20170706174735
ACCESSION NUMBER:		0001394548-17-000026
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170628
FILED AS OF DATE:		20170706
DATE AS OF CHANGE:		20170706

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:			Einhorn Irving M.
		CENTRAL INDEX KEY:			0001603271

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33958
		FILM NUMBER:		17953361

	MAIL ADDRESS:	
		STREET 1:		C/O GALENA BIOPHARMA, INC.
		STREET 2:		4640 SW MACADAM AVE, SUITE 270
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97239
</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>2017-06-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001603271</rptOwnerCik>
            <rptOwnerName>Einhorn Irving M.</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>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2017-07-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9161</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.59</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20114</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
                <footnoteId id="F3"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.55</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-06-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2027-06-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Effective January 1, 2017, 33% of the cash retainer payments to our Board will be pain in unrestricted shares of the Company's common stock delivered from the 2016 Incentive Plan and priced on the first trading day of the quarter.</footnote>
        <footnote id="F2">Represents the closing stock price of the Company's stock on the first trading day of the quarter.</footnote>
        <footnote id="F3">Granted pursuant to the Issuer's 2016 Incentive Plan.</footnote>
        <footnote id="F4">This stock option will vest and become exercisable in equal quarterly installments over one year beginning three months from June 8, 2017, such that the option will be fully exercisable as of June 8, 2018.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Irving Einhorn</signatureName>
        <signatureDate>2017-07-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
