-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 NQK46ZPXLNW6hzXlL87d8gvEwKw6gk+4O2Jc/yFsJvY2s6x/Re1ksed7P3KosGod
 4KK8rVYP5ilmhwoeyAVCGg==

<SEC-DOCUMENT>0001179110-09-012282.txt : 20090818
<SEC-HEADER>0001179110-09-012282.hdr.sgml : 20090818
<ACCEPTANCE-DATETIME>20090818162332
ACCESSION NUMBER:		0001179110-09-012282
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090818
FILED AS OF DATE:		20090818
DATE AS OF CHANGE:		20090818

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SINGLETON SHIRLEY
		CENTRAL INDEX KEY:			0001141828

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20971
		FILM NUMBER:		091021842

	MAIL ADDRESS:	
		STREET 1:		C/O EDGEWATER TECHNOLOGY INC
		STREET 2:		20 EDGEWATER TECHNOLOGY INC
		CITY:			WAKEFIELD
		STATE:			MA
		ZIP:			01880

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EDGEWATER TECHNOLOGY INC/DE/
		CENTRAL INDEX KEY:			0001017968
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		IRS NUMBER:				710788538
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		20 HARVARD MILL SQUARE
		CITY:			WAKEFIELD
		STATE:			MA
		ZIP:			01880
		BUSINESS PHONE:		781-213-9854

	MAIL ADDRESS:	
		STREET 1:		20 HARVARD MILL SQUARE
		CITY:			WAKEFIELD
		STATE:			MA
		ZIP:			01880

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STAFFMARK INC
		DATE OF NAME CHANGE:	19960702
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-08-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001017968</issuerCik>
        <issuerName>EDGEWATER TECHNOLOGY INC/DE/</issuerName>
        <issuerTradingSymbol>EDGW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001141828</rptOwnerCik>
            <rptOwnerName>SINGLETON SHIRLEY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>20 HARVARD MILL SQUARE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WAKEFIELD</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01880</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman, President and CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-08-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.65</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>117100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Kevin R. Rhodes, Attorney-In-Fact</signatureName>
        <signatureDate>2009-08-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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