<SEC-DOCUMENT>0001721515-25-000008.txt : 20250220
<SEC-HEADER>0001721515-25-000008.hdr.sgml : 20250220
<ACCEPTANCE-DATETIME>20250220171025
ACCESSION NUMBER:		0001721515-25-000008
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250218
FILED AS OF DATE:		20250220
DATE AS OF CHANGE:		20250220

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Willett Robert
		CENTRAL INDEX KEY:			0001438093
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34218
		FILM NUMBER:		25646648

	MAIL ADDRESS:	
		STREET 1:		C/O COGNEX CORPORATION
		STREET 2:		ONE VISION DRIVE
		CITY:			NATICK
		STATE:			MA
		ZIP:			01760-2059

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COGNEX CORP
		CENTRAL INDEX KEY:			0000851205
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		IRS NUMBER:				042713778
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE VISION DR
		CITY:			NATICK
		STATE:			MA
		ZIP:			01760
		BUSINESS PHONE:		5086503000

	MAIL ADDRESS:	
		STREET 1:		ONE VISION DRIVE
		CITY:			NATICK
		STATE:			MA
		ZIP:			01760
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-02-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000851205</issuerCik>
        <issuerName>COGNEX CORP</issuerName>
        <issuerTradingSymbol>CGNX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001438093</rptOwnerCik>
            <rptOwnerName>Willett Robert</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE VISION DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NATICK</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01760</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO &amp; President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15804</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by Trust</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>33.04</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-02-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
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            <exerciseDate>
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            <expirationDate>
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            <underlyingSecurity>
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            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2025-02-20</value>
            </exerciseDate>
            <expirationDate>
                <value>2034-02-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>298150</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>298150</value>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
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            <conversionOrExercisePrice>
                <value>47.21</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2024-02-21</value>
            </exerciseDate>
            <expirationDate>
                <value>2033-02-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>233484</value>
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            <postTransactionAmounts>
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            <expirationDate>
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            <exerciseDate>
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            <expirationDate>
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            <underlyingSecurity>
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                <value>2028-02-20</value>
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                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
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                <value>64.43</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2023-02-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2032-02-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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            <conversionOrExercisePrice>
                <value>90.5</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2022-02-16</value>
            </exerciseDate>
            <expirationDate>
                <value>2031-02-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>123521</value>
                </underlyingSecurityShares>
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                    <value>123521</value>
                </sharesOwnedFollowingTransaction>
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    <footnotes>
        <footnote id="F1">The reporting person is a trustee and beneficiary of Willett Parkhill Investment Trust dated August 2, 2010. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F2">The options vest in five approximately equal annual installments on the first, second, third, fourth, and fifth anniversaries of the grant date (February 18, 2025).</footnote>
        <footnote id="F3">Each restricted stock unit represents a contingent right to receive one share of Cognex Corporation common stock.</footnote>
        <footnote id="F4">The restricted stock units vest approximately 20%, 30%, and 50% on the first, second, and third anniversaries of the grant date (February 18, 2025), respectively.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Robert Willett</signatureName>
        <signatureDate>2025-02-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
