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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001386967-10-000004.txt : 20100908
<SEC-HEADER>0001386967-10-000004.hdr.sgml : 20100908
<ACCEPTANCE-DATETIME>20100908131659
ACCESSION NUMBER:		0001386967-10-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100907
FILED AS OF DATE:		20100908
DATE AS OF CHANGE:		20100908

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Martell James
		CENTRAL INDEX KEY:			0001386967

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-17263
		FILM NUMBER:		101061811

	MAIL ADDRESS:	
		STREET 1:		2200 WILSON BLVD. SUITE 102-316
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHAMPIONS BIOTECHNOLOGY, INC.
		CENTRAL INDEX KEY:			0000771856
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				521401755
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0430

	BUSINESS ADDRESS:	
		STREET 1:		855 N. WOLFE STREET
		STREET 2:		SUITE 619
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21205
		BUSINESS PHONE:		410-369-0365

	MAIL ADDRESS:	
		STREET 1:		855 N. WOLFE STREET
		STREET 2:		SUITE 619
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21205

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHAMPIONS SPORTS INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERNATIONAL GROUP INC
		DATE OF NAME CHANGE:	19860319
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-09-07</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000771856</issuerCik>
        <issuerName>CHAMPIONS BIOTECHNOLOGY, INC.</issuerName>
        <issuerTradingSymbol>CSBR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001386967</rptOwnerCik>
            <rptOwnerName>Martell James</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2200 WILSON BLVD. SUITE 102-316</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ARLINGTON</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-09-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>93921</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.44</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7151828</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Purchase by the Company (Champions Biotechnology, Inc.) pursuant to Stock Repurchase Agreement dated 05/18/2009.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>James Martell</signatureName>
        <signatureDate>2010-09-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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