<SUBMISSION>
<ACCESSION-NUMBER>0001181431-11-014216
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20110226
<FILING-DATE>20110301
<DATE-OF-FILING-DATE-CHANGE>20110301
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>AKIHA N NOBBY
<CIK>0001207436
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-24607
<FILM-NUMBER>11653815
</FILING-VALUES>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ACTUATE CORP
<CIK>0001062478
<ASSIGNED-SIC>7372
<IRS-NUMBER>943193197
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>2207 BRIDGEPOINTE PARKWAY
<STREET2>SUITE 500
<CITY>SAN MATEO
<STATE>CA
<ZIP>94404
<PHONE>650.645.3000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>2207 BRIDGEPOINTE PARKWAY
<STREET2>SUITE 500
<CITY>SAN MATEO
<STATE>CA
<ZIP>94404
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>ACTUATE SOFTWARE CORP
<DATE-CHANGED>19980527
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd303627.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-02-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001062478</issuerCik>
        <issuerName>ACTUATE CORP</issuerName>
        <issuerTradingSymbol>ACTU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001207436</rptOwnerCik>
            <rptOwnerName>AKIHA N NOBBY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2207 BRIDGEPOINTE PARKWAY, SUITE 500</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN MATEO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94404</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, Marketing</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-02-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>691</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.77</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>45458</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of Issuer's common stock withheld to satisfy the Issuer's tax withholding obligation upon the issuance of the Issuer's common stock that vested under the restricted stock unit award granted to the Reporting Person on January 26, 2010.</footnote>
        <footnote id="F2">Includes (a) 5,062 shares of Issuer's common stock subject to a restricted stock unit award granted on January 26, 2010 that will be issued as those units vest and (b) 20,000 shares of Issuer's common stock subject to a restricted stock unit award granted on January 28, 2011 that will be issued as those units vest.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ N. Nobby Akiha</signatureName>
        <signatureDate>2011-03-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
