<SEC-DOCUMENT>0001209191-20-020763.txt : 20200323
<SEC-HEADER>0001209191-20-020763.hdr.sgml : 20200323
<ACCEPTANCE-DATETIME>20200323194744
ACCESSION NUMBER:		0001209191-20-020763
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200320
FILED AS OF DATE:		20200323
DATE AS OF CHANGE:		20200323

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ludwig Jeffrey Jerome
		CENTRAL INDEX KEY:			0001807133

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35703
		FILM NUMBER:		20736279

	MAIL ADDRESS:	
		STREET 1:		C/O PUMA BIOTECHNOLOGY, INC.
		STREET 2:		10880 WILSHIRE BOULEVARD, SUITE 2150
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PUMA BIOTECHNOLOGY, INC.
		CENTRAL INDEX KEY:			0001401667
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				770683487
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10880 WILSHIRE BLVD.
		STREET 2:		SUITE 2150
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024
		BUSINESS PHONE:		(424) 248-6500

	MAIL ADDRESS:	
		STREET 1:		10880 WILSHIRE BLVD.
		STREET 2:		SUITE 2150
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INNOVATIVE ACQUISITIONS CORP
		DATE OF NAME CHANGE:	20070601
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-03-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001401667</issuerCik>
        <issuerName>PUMA BIOTECHNOLOGY, INC.</issuerName>
        <issuerTradingSymbol>PBYI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001807133</rptOwnerCik>
            <rptOwnerName>Ludwig Jeffrey Jerome</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PUMA BIOTECHNOLOGY, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>10880 WILSHIRE BOULEVARD</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90024</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Commercial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>7.82</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-03-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>320000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-03-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>320000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>320000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The vesting commencement date of the option is March 16, 2020 (&quot;Option Vesting Commencement Date&quot;). The option vests (i) with respect to one-third (1/3rd) of the shares subject thereto on the first anniversary of the Option Vesting Commencement Date and (ii) with respect to 1/36th of the shares subject thereto on each monthly anniversary of the Option Vesting Commencement Date thereafter, subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jeffrey Jerome Ludwig</signatureName>
        <signatureDate>2020-03-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
