-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001181431-10-026149.txt : 20100512
<SEC-HEADER>0001181431-10-026149.hdr.sgml : 20100512
<ACCEPTANCE-DATETIME>20100512173336
ACCESSION NUMBER:		0001181431-10-026149
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100511
FILED AS OF DATE:		20100512
DATE AS OF CHANGE:		20100512

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PHILLIPS JAMES R
		CENTRAL INDEX KEY:			0001035082
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21203
		FILM NUMBER:		10825474

	MAIL ADDRESS:	
		STREET 1:		MCDONNELL DOUGLAS CORP
		STREET 2:		PO BOX 516 M/C S1001240
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63166-0516

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIEDRICH COFFEE INC
		CENTRAL INDEX KEY:			0000947661
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-FOOD STORES [5400]
		IRS NUMBER:				330086628
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0624

	BUSINESS ADDRESS:	
		STREET 1:		28 EXECUTIVE PARK
		STREET 2:		SUITE 200
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
		BUSINESS PHONE:		9492601600

	MAIL ADDRESS:	
		STREET 1:		28 EXECUTIVE PARK
		STREET 2:		SUITE 200
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd274874.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-05-11</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000947661</issuerCik>
        <issuerName>DIEDRICH COFFEE INC</issuerName>
        <issuerTradingSymbol>DDRX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001035082</rptOwnerCik>
            <rptOwnerName>PHILLIPS JAMES R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>28 EXECUTIVE PARK SUITE 200</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>IRVINE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92614</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>U</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>35.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.83</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-05-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>35.00</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2017-04-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.23</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-05-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>137500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>35.00</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2010-07-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>137500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">50% of the option vested and became exercisable on April 18, 2008, and 50% of the option vested and became exercisable on April 18, 2009.</footnote>
        <footnote id="F2">Pursuant to the Agreement and Plan of Merger (the &quot;Agreement&quot;), dated as of December 7, 2009, by and among the issuer, Green Mountain Coffee Roasters, Inc. and Pebbles Acquisition Sub, Inc. (&quot;Purchaser&quot;), at the time Purchaser accepted shares for payment pursuant to the offer contemplated by the Agreement, this option was canceled and, in exchange, the holder received an amount in cash equal to the excess of $35.00 over the exercise price per share of such option, multiplied by the number of shares underlying such option.</footnote>
        <footnote id="F3">This option grant, originally of 275,000 shares, provided for the option to vest and become exercisable in three equal installments on each of the first three anniversary dates of February 7, 2008.  On January 22, 2010, the issuer and Mr. Phillips entered into a Separation Agreement and General Release whereby Mr. Phillips and the issuer agreed that  Mr. Phillips would have a period of 180 days from his separation date to exercise the vested portion of the option, consisting of 137,500 shares, and that the unvested portion of the option would terminate.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ James R. Phillips</signatureName>
        <signatureDate>2010-05-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----