<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-05-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000733269</issuerCik>
        <issuerName>ACXIOM CORP</issuerName>
        <issuerTradingSymbol>ACXM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001209798</rptOwnerCik>
            <rptOwnerName>WOLF CHRISTOPHER W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ACXIOM CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>601 E. THIRD STREET</rptOwnerStreet2>
            <rptOwnerCity>LITTLE ROCK</rptOwnerCity>
            <rptOwnerState>AR</rptOwnerState>
            <rptOwnerZipCode>72201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer &amp;</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.10 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5501</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.98</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>165347.2103</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.10 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2878</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.7213</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>162469.2103</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $.10 Par Value</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1539.38</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by Managed Account 1</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $.10 Par Value</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>799.3163</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by Managed Account 2</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares were sold by the reporting person in connection with the payment of taxes due upon the vesting on May 24, 2010 of 12,500 restricted stock units.</footnote>
        <footnote id="F2">These shares were sold by the reporting person in connection with the payment of taxes due upon the vesting on May 26, 2010 of 6,500 restricted stock units.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Catherine L. Hughes, Attorney-in-Fact  For: Christopher W. Wolf</signatureName>
        <signatureDate>2010-05-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0303
4
2010-05-26
0
0000733269
ACXIOM CORP
ACXM
0001209798
WOLF CHRISTOPHER W
ACXIOM CORPORATION
601 E. THIRD STREET
LITTLE ROCK
AR
72201
0
1
0
0
Chief Financial Officer &
Common Stock, $.10 Par Value
2010-05-26
4
S
0
5501
15.98
D
165347.2103
D
Common Stock, $.10 Par Value
2010-05-27
4
S
0
2878
15.7213
D
162469.2103
D
Common Stock, $.10 Par Value
1539.38
I
by Managed Account 1
Common Stock, $.10 Par Value
799.3163
I
by Managed Account 2
These shares were sold by the reporting person in connection with the payment of taxes due upon the vesting on May 24, 2010 of 12,500 restricted stock units.
These shares were sold by the reporting person in connection with the payment of taxes due upon the vesting on May 26, 2010 of 6,500 restricted stock units.
By: Catherine L. Hughes, Attorney-in-Fact  For: Christopher W. Wolf
2010-05-27