<SEC-DOCUMENT>0001193125-18-084843-index.html : 20180316
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<ACCEPTANCE-DATETIME>20180316080056
ACCESSION NUMBER:		0001193125-18-084843
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		10
FILED AS OF DATE:		20180316
DATE AS OF CHANGE:		20180316
EFFECTIVENESS DATE:		20180316

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COGNEX CORP
		CENTRAL INDEX KEY:			0000851205
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		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:		18694224

	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
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Document 1 - file: d523299ddefa14a.htm

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Document 4 - file: g523299img02.jpg

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Document 5 - file: g523299img03.jpg

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Document 6 - file: g523299img04.jpg

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Document 7 - file: g523299img05.jpg

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Document 8 - file: g523299img06.jpg

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Document 9 - file: g523299img07.jpg

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Document 10 - file: g523299img09.jpg

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