-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LBDESAIOsLbBDRlSbN39WhLN5W6oBF+QwEJt2jZq0CQkuTSlomctHprmbxiRGIvt
 VYHpTtF+1X85xNALKPgWaw==

<SEC-DOCUMENT>0001179110-04-013289.txt : 20040618
<SEC-HEADER>0001179110-04-013289.hdr.sgml : 20040618
<ACCEPTANCE-DATETIME>20040618161037
ACCESSION NUMBER:		0001179110-04-013289
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040616
FILED AS OF DATE:		20040618

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WILLIAMS DAVID ROBERT
		CENTRAL INDEX KEY:			0001258253

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10013
		FILM NUMBER:		04870951

	BUSINESS ADDRESS:	
		STREET 1:		1 JENNER
		STREET 2:		STE 100
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92618
		BUSINESS PHONE:		9497432000

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VITALSTREAM HOLDINGS INC
		CENTRAL INDEX KEY:			0000789851
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				870429944
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE JENNER
		STREET 2:		SUITE 100
		CITY:			IRIVINE
		STATE:			CA
		ZIP:			92618
		BUSINESS PHONE:		(949) 743-2000

	MAIL ADDRESS:	
		STREET 1:		ONE JENNER
		STREET 2:		SUITE 100
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92618

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SENSAR CORP /NV/
		DATE OF NAME CHANGE:	19990501

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LARSON DAVIS INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CRITERION VENTURES INC
		DATE OF NAME CHANGE:	19871126
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-06-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000789851</issuerCik>
        <issuerName>VITALSTREAM HOLDINGS INC</issuerName>
        <issuerTradingSymbol>VSTH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001258253</rptOwnerCik>
            <rptOwnerName>WILLIAMS DAVID ROBERT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE JENNER, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>IRVINE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92618</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP of Operations</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-06-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>150003</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.6133</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>718947</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Warrants (Rights to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.6133</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-06-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>45001</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-06-16</value>
            </exerciseDate>
            <expirationDate>
                <value>2009-06-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>45001</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>45001</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The securities were purchased at a purchase price of $0.6133 for one share of Common Stock and a warrant to purchase .3 shares of Common Stock.</footnote>
        <footnote id="F2">The Common Stock acquired by the reporting person at the same time as the warrants were purchased at a price of $0.6133 for one share of Common Stock and a warrant to purchase .3 shares of Common Stock.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>David Williams</signatureName>
        <signatureDate>2004-06-18</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----