-----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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 btZV+O2fxc3GnYAwEEQYWw==

<SEC-DOCUMENT>0001181431-06-016510.txt : 20060306
<SEC-HEADER>0001181431-06-016510.hdr.sgml : 20060306
<ACCEPTANCE-DATETIME>20060306184555
ACCESSION NUMBER:		0001181431-06-016510
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060301
FILED AS OF DATE:		20060306
DATE AS OF CHANGE:		20060306

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VERTICALNET INC
		CENTRAL INDEX KEY:			0001043946
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING [7310]
		IRS NUMBER:				232815834
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		400 CHESTER FIELD PARKWAY
		CITY:			MALVERN
		STATE:			PA
		ZIP:			19355
		BUSINESS PHONE:		2153286100

	MAIL ADDRESS:	
		STREET 1:		400 CHESTER FIELD PARKWAY
		CITY:			MALVERN
		STATE:			PA
		ZIP:			19355

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LENTZ NATHANAEL V
		CENTRAL INDEX KEY:			0001261367

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25269
		FILM NUMBER:		06668384

	BUSINESS ADDRESS:	
		STREET 1:		400 CHESTERFIELD PARKWAY
		CITY:			MALVERN
		STATE:			PA
		ZIP:			19355
		BUSINESS PHONE:		6102400600
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>rrd110451.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2006-03-01</periodOfReport>

    <dateOfOriginalSubmission>2006-03-03</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001043946</issuerCik>
        <issuerName>VERTICALNET INC</issuerName>
        <issuerTradingSymbol>VERT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001261367</rptOwnerCik>
            <rptOwnerName>LENTZ NATHANAEL V</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CHESTER FIELD PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MALVERN</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19355</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-03-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>123750</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.01</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>452129</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Award of Restricted Stock pursuant to 2000 Equity Compensation Plan. 100% of the grant vests on September 1,2006 provided reporting person is a employee on that date.</footnote>
        <footnote id="F2">Payable upon distribution of the shares.</footnote>
        <footnote id="F3">Includes: 123,750 shares of Common Stock that may be issued upon vesting of Restricted Stock; 100% of the 123,750 shares of Restricted Stock vest on September 1, 2006 provided the reporting person is an employee on that date; 25,496 shares of Common Stock that may be issued upon vesting of Restricted Stock; 12,748 shares of Restricted Stock vest on August 10, 2006 and February 10, 2007 provided the reporting person is an employee on those dates; 34,375 shares of Common Stock that may be issued upon vesting of Restricted Stock Units; 25% of the 34,375 Restricted Stock Units vests on May 5, 2006; 6.25% vests on the fifth day of every third month thereafter until and including May 5, 2009 provided reporting person is an employee on those dates; and 34,375 shares of Common Stock that may be issued</footnote>
        <footnote id="F4">and 34,375 shares of Common Stock that may be issued on the vesting of Restricted Stock Units: 25% of the 34,375 Restricted Stock Units vests on September 8, 2006; 6.25% vests on the eighth day of every third month thereafter until and including September 8, 2009 provided reporting person is an employee on those dates.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Christopher G. Kuhn , power of attorney</signatureName>
        <signatureDate>2006-03-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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