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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 VHB0Hz1Vu2F92AHQXfGztQ==

<SEC-DOCUMENT>0001193805-05-000527.txt : 20050315
<SEC-HEADER>0001193805-05-000527.hdr.sgml : 20050315
<ACCEPTANCE-DATETIME>20050315152724
ACCESSION NUMBER:		0001193805-05-000527
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050311
FILED AS OF DATE:		20050315
DATE AS OF CHANGE:		20050315

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NAVIGATORS GROUP INC
		CENTRAL INDEX KEY:			0000793547
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				133138397
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE PENN PLAZA
		STREET 2:		55TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10119
		BUSINESS PHONE:		2122442333

	MAIL ADDRESS:	
		STREET 1:		ONE PENN PLAZA 55TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10119

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DEEKS TERENCE N
		CENTRAL INDEX KEY:			0001170862

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15886
		FILM NUMBER:		05681553

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		2122442333

	MAIL ADDRESS:	
		STREET 1:		C/O THE NAVIGATORS GROUP INC
		STREET 2:		ONE PENN PLZ
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10119
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>e500243_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-03-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000793547</issuerCik>
        <issuerName>NAVIGATORS GROUP INC</issuerName>
        <issuerTradingSymbol>NAVG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001170862</rptOwnerCik>
            <rptOwnerName>DEEKS TERENCE N</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O THE NAVIGATORS GROUP, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>ONE PENN PLAZA</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10119</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-03-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>75000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.45</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3164089</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-03-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.30</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3164089</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents a sale by Terence N. Deeks 2002 Qualified Three Year Annuity Trust (the &quot;2002 Trust&quot;). The Reporting Person
disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F2">Includes 1,439,117 shares held by the 2002 Trust, Terence N. Deeks 2003 Qualified Three Year Annuity Trust (the &quot;2003 Trust&quot;)
and Terence N. Deeks 2004 Qualified Three Year Annuity Trust (the &quot;2004 Trust&quot;, together with the 2002 Trust and the 2003
Trust, the &quot;Trusts&quot;), 5,000 shares held by the Deeks Family Foundation (the &quot;Foundation&quot;), and 106,942 shares held jointly
with the Reporting Person's wife, which the Reporting Person may be deemed to beneficially own. The Reporting Person
disclaims beneficial ownership of the shares held by the Trusts and the Foundation except to the extent of his pecuniary
interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Terence N. Deeks</signatureName>
        <signatureDate>2005-03-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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