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

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-08-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000278130</issuerCik>
        <issuerName>PIER 1 IMPORTS INC/DE</issuerName>
        <issuerTradingSymbol>PIR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001467660</rptOwnerCik>
            <rptOwnerName>Benkel Michael R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PIER 1 IMPORTS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>100 PIER 1 PLACE</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr.VP - Planning &amp; Allocations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-08-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>221.6366</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.5075</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>33721.6366</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On August 27, 2010, the Pier 1 Imports, Inc. Stock Purchase Plan purchased in a transaction exempt under Ruble 16b-3(c), 221.6366 shares of common stock for the reporting person's account.  Such shares were purchsed at approximately $6.5075 per share, the average of the closing prices of the Issuer's common stock on the New York Stock Exchange for each Friday in the month of August 2010, during which contributions were credited to the reporting person's account for the purchase of common stock.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Michael R. Benkel  By: Michael A. Carter, Atty-in-Fact</signatureName>
        <signatureDate>2010-08-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
