-----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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 JUd8uVEMFBDcgpPFPDjHEw==

<SEC-DOCUMENT>0001005477-06-000247.txt : 20060124
<SEC-HEADER>0001005477-06-000247.hdr.sgml : 20060124
<ACCEPTANCE-DATETIME>20060124164343
ACCESSION NUMBER:		0001005477-06-000247
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060120
FILED AS OF DATE:		20060124
DATE AS OF CHANGE:		20060124

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HALE MARTIN M JR
		CENTRAL INDEX KEY:			0001272935

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08402
		FILM NUMBER:		06546863

	BUSINESS ADDRESS:	
		STREET 1:		500 NYALA FARM ROAD
		CITY:			WESTPORT
		STATE:			CT
		ZIP:			06880
		BUSINESS PHONE:		2034292200

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IRVINE SENSORS CORP/DE/
		CENTRAL INDEX KEY:			0000357108
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				330280334
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1002

	BUSINESS ADDRESS:	
		STREET 1:		3001 REDHILL AVE
		CITY:			COSTA MESA
		STATE:			CA
		ZIP:			92626
		BUSINESS PHONE:		7145498211

	MAIL ADDRESS:	
		STREET 1:		3001 REDHILL AVE
		STREET 2:		BLDG 3 STE 104
		CITY:			COSTA MESA
		STATE:			CA
		ZIP:			92626

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PEQUOT CAPITAL MANAGEMENT INC
		CENTRAL INDEX KEY:			0001071955
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08402
		FILM NUMBER:		06546864

	BUSINESS ADDRESS:	
		STREET 1:		500 NYALA FARM ROAD
		CITY:			WESTPORT
		STATE:			CT
		ZIP:			06880
		BUSINESS PHONE:		2034292200

	MAIL ADDRESS:	
		STREET 1:		500 NYALA FARM ROAD
		CITY:			WESTPORT
		STATE:			CT
		ZIP:			06880

	FORMER NAME:	
		FORMER CONFORMED NAME:	PEQUOT CAPITAL MANAGEMENT INC/CT/
		DATE OF NAME CHANGE:	19981118
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar123.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-01-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000357108</issuerCik>
        <issuerName>IRVINE SENSORS CORP/DE/</issuerName>
        <issuerTradingSymbol>IRSN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001071955</rptOwnerCik>
            <rptOwnerName>PEQUOT CAPITAL MANAGEMENT INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>500 NYALA FARM ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WESTPORT</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06880</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Footnote 1</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001272935</rptOwnerCik>
            <rptOwnerName>HALE MARTIN M JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>500 NYALA FARM ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WESTPORT</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06880</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right-to-buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.16</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-01-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.16</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-01-20</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-01-19</value>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>25000</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25000</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Investment Advisor</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Pequot Capital Management, Inc. (&quot;Pequot&quot;) is an investment advisor registered under Section 203 of the Investment Advisers Act of 1940 and has voting and investment power with respect to securities in its clients' accounts. Pequot disclaims any obligation to file this report, and this report shall not be deemed an admission that Pequot is subject to Section 16 with respect to the Issuer of such securities.  Martin M. Hale is an employee of Pequot and was named as a member on the Board of Directors of the Issuer effective as of January 20, 2006 and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest.</footnote>
        <footnote id="F2">Pequot disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Pequot is, for the purposes of Section 16 of the Exchange Act or otherwise, the beneficial owner of such securities.</footnote>
        <footnote id="F3">Martin M. Hale received an option to purchase 25,000 shares of Common Stock (the &quot;Option&quot;) upon being named as a director on the Board of Directors of the Issuer.  The Option is immediately exercisable into Common Stock at an exercise price of $3.16 per share, but the option shares issuable upon exercise are subject to a right of repurchase in favor of the Issuer.  The repurchase right laspses (and the option shares vest) in two separate installments of 50%, the first installment on the first anniversary date of the grant and the second installment on the second anniversary of the grant date.  The expiration of the Option is January 19, 2016.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Aryeh Davis, GC &amp; COO, Pequot Capital Management, Inc.</signatureName>
        <signatureDate>2006-01-24</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Martin M. Hale, Jr., Director (1)</signatureName>
        <signatureDate>2006-01-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----