    <SEC-DOCUMENT>0001193125-25-054451-index.html : 20250314
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    <ACCEPTANCE-DATETIME>20250314080526
    ACCESSION NUMBER:		0001193125-25-054451
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20250314
    DATE AS OF CHANGE:		20250314

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34218
    		FILM NUMBER:		25737709

    	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>
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    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>d906473ddefa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: d906473ddefa14a.htm

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    <SEQUENCE>2
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g906473g01j01.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g906473g01j02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g906473g01j02.jpg

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    </SEC-DOCUMENT>