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

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-12-23</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001393744</issuerCik>
        <issuerName>EnergySolutions, Inc.</issuerName>
        <issuerTradingSymbol>ES</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001371821</rptOwnerCik>
            <rptOwnerName>Parker Alan M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>423 WEST 300 SOUTH</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>SALT LAKE CITY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84101</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Former Chief Operating Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>Effective December 23, 2008, Mr. Parker has resigned his previously-held position as Chief Operating Officer of EnergySolutions, Inc., and has accepted the position as Chief Operating Officer of EnergySolutions, Inc.'s wholly-owned subsidiary, EnergySolutions EU, Ltd.  As a result, he is no longer an &quot;insider&quot; subject to Section 16 filing requirements.</remarks>

    <ownerSignature>
        <signatureName>/s/ Val John Christensen, by power of attorney</signatureName>
        <signatureDate>2009-01-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
