<SEC-DOCUMENT>0001104659-23-011196.txt : 20230206
<SEC-HEADER>0001104659-23-011196.hdr.sgml : 20230206
<ACCEPTANCE-DATETIME>20230206162320
ACCESSION NUMBER:		0001104659-23-011196
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230202
FILED AS OF DATE:		20230206
DATE AS OF CHANGE:		20230206

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hollister David J.
		CENTRAL INDEX KEY:			0001825456

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39548
		FILM NUMBER:		23590960

	MAIL ADDRESS:	
		STREET 1:		C/O BENTLEY SYSTEMS, INCORPORATED
		STREET 2:		685 STOCKTON DRIVE
		CITY:			EXTON
		STATE:			PA
		ZIP:			19341

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BENTLEY SYSTEMS INC
		CENTRAL INDEX KEY:			0001031308
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				953936623
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		690 PENNSYLVANIA DR
		CITY:			EXTON
		STATE:			PA
		ZIP:			19341
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>tm235463-1_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-02-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001031308</issuerCik>
        <issuerName>BENTLEY SYSTEMS INC</issuerName>
        <issuerTradingSymbol>BSY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001825456</rptOwnerCik>
            <rptOwnerName>Hollister David J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BENTLEY SYSTEMS, INCORPORATED</rptOwnerStreet1>
            <rptOwnerStreet2>685 STOCKTON DRIVE</rptOwnerStreet2>
            <rptOwnerCity>EXTON</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19341</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Investment Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-02-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100283</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>41.0089</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1961948</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2022.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on February 2, 2023 at prices ranging from $41.00 to $41.48. The reporting person undertakes to provide to Bentley Systems, Incorporated, any security holder of Bentley Systems, Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Michael T. Fischette, Attorney-in-Fact</signatureName>
        <signatureDate>2023-02-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
