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    <periodOfReport>2014-05-20</periodOfReport>

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    <issuer>
        <issuerCik>0001288469</issuerCik>
        <issuerName>MAXLINEAR INC</issuerName>
        <issuerTradingSymbol>MXL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001509421</rptOwnerCik>
            <rptOwnerName>Spice Adam C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2051 PALOMAR AIRPORT ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>CARLSBAD</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92011</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <transactionAcquiredDisposedCode>
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                </underlyingSecurityTitle>
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        <derivativeTransaction>
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                <transactionPricePerShare>
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            <expirationDate>
                <value>2015-05-18</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <value>2015-08-20</value>
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                    <value>Class A Common Stock (par value $0.0001)</value>
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                <value>Restricted Stock Units</value>
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                <value>2014-05-20</value>
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                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>3453</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
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                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F8"/>
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            <expirationDate>
                <value>2017-05-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock (par value $0.0001)</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3453</value>
                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
                    <value>27562</value>
                </sharesOwnedFollowingTransaction>
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    <footnotes>
        <footnote id="F1">Each restricted stock unit (&quot;RSU&quot;) represents a contingent right to receive one share of MaxLinear, Inc. Class A Common Stock.</footnote>
        <footnote id="F2">Includes 1,905 shares of Class A Common Stock acquired under the Company's 2010 Employee Stock Purchase Plan on May 15, 2013.</footnote>
        <footnote id="F3">Subject to the Reporting Person's continuing to be a Service Provider (as defined in the 2010 Equity Incentive Plan) through each applicable vesting date, twenty five percent (25%) of the 15,000 RSUs subject to the award shall vest on May 20, 2012, and twenty five percent (25%) of the 15,000 RSUs subject to the award vest on each successive anniversary thereafter, such that the award shall be fully vested on May 20, 2015.</footnote>
        <footnote id="F4">Subject to the Reporting Person's continuing to be a Service Provider (as defined in the 2010 Equity Incentive Plan) through each applicable vesting date, twenty five percent (25%) of the 50,000 RSUs subject to the award shall vest on May 20, 2013, and an additional twenty five percent (25%) of the 50,000 RSUs subject to the award shall vest on each successive anniversary thereafter, such that the award shall be fully vested on May 20, 2016.</footnote>
        <footnote id="F5">Subject to the Reporting Person's continuing to be a Service Provider (as defined in the 2010 Equity Incentive Plan) through each applicable vesting date, one third (1/3rd) of the 137,500 RSUs subject to the award shall vest on May 18, 2013, and one third (1/3rd) of the 137,500 RSUs subject to the award shall vest on each successive anniversary thereafter, such that the award shall be fully vested on May 18, 2015.</footnote>
        <footnote id="F6">Subject to the Reporting Person's continuing to be a Service Provider (as defined in the 2010 Equity Incentive Plan) through each applicable vesting date, one third (1/3rd) of the 15,000 RSUs subject to the award shall vest on May 18, 2013, and one third (1/3rd) of the 15,000 RSUs subject to the award shall vest on each successive anniversary thereafter, such that the award shall be fully vested on May 18, 2015.</footnote>
        <footnote id="F7">Subject to the Reporting Person's continuing to be a Service Provider (as defined in the 2010 Equity Incentive Plan) through each applicable vesting date, one twelfth (1/12th) of the 20,000 RSUs subject to the award shall vest on November 20, 2012, and one twelfth (1/12th) of the 20,000 RSUs subject to the award shall vest on each February 20, May 20, August 20 and November 20 thereafter, such that the award shall be fully vested on August 20, 2015.</footnote>
        <footnote id="F8">Subject to the Reporting Person's continuing to be a Service Provider (as defined in the 2010 Equity Incentive Plan) through each applicable vesting date, twenty five (25%) of the 36,750 RSUs subject to the award shall vest on May 20, 2014, and an additional twenty five percent (25%) shall vest on each successive anniversary thereafter, such that the award shall be fully vested on May 20, 2017.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Justin Scarpulla, as Attorney-in-Fact</signatureName>
        <signatureDate>2014-05-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
