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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001181431-07-063693.txt : 20071025
<SEC-HEADER>0001181431-07-063693.hdr.sgml : 20071025
<ACCEPTANCE-DATETIME>20071025071751
ACCESSION NUMBER:		0001181431-07-063693
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20071022
FILED AS OF DATE:		20071025
DATE AS OF CHANGE:		20071025

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HOLOGIC INC
		CENTRAL INDEX KEY:			0000859737
		STANDARD INDUSTRIAL CLASSIFICATION:	X-RAY APPARATUS & TUBES & RELATED IRRADIATION APPARATUS [3844]
		IRS NUMBER:				042902449
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		35 CROSBY DRIVE
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
		BUSINESS PHONE:		7819997300

	MAIL ADDRESS:	
		STREET 1:		35 CROSBY DRIVE
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SULLIVAN PATRICK J
		CENTRAL INDEX KEY:			0001039138
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18281
		FILM NUMBER:		071189482

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		9782638000

	MAIL ADDRESS:	
		STREET 1:		85 SWANSON ROAD
		STREET 2:		.
		CITY:			BOXBOROUGH
		STATE:			MA
		ZIP:			01719
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd175987.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
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    <periodOfReport>2007-10-22</periodOfReport>

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        <issuerName>HOLOGIC INC</issuerName>
        <issuerTradingSymbol>HOLX</issuerTradingSymbol>
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            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BEDFORD</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01730</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
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            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
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                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>74162</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Received in exchange for shares of Cytyc Corporation common stock in connection with the merger of Cytyc Corporation with Nor'easter Corp., a wholly-owned subsidiary of Hologic, Inc. (the &quot;Merger&quot;). On the effective date of the Merger, the closing price of Hologic Inc.'s common stock was $65.63 per share.</footnote>
        <footnote id="F2">These shares represent restricted stock units (RSUs) awarded to the Reporting Person pursuant to a retention agreement under the Hologic, Inc. Second Amended and Restated 1999 Stock Incentive Plan and are subject to vesting as provided in the retention agreement.</footnote>
        <footnote id="F3">Received in the Merger in exchange for an option to purchase shares of Cytyc Corporation common stock.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Frances S. Crecco, Attorney-in-Fact For: Patrick J. Sullivan</signatureName>
        <signatureDate>2007-10-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
