<SEC-DOCUMENT>0001252302-17-000001-index.html : 20170906
<SEC-HEADER>0001252302-17-000001.hdr.sgml : 20170906
<ACCEPTANCE-DATETIME>20170906094709
ACCESSION NUMBER:		0001252302-17-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170905
FILED AS OF DATE:		20170906
DATE AS OF CHANGE:		20170906

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			J BRUCE ROBINSON
		CENTRAL INDEX KEY:			0001252302

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34218
		FILM NUMBER:		171070472

	MAIL ADDRESS:	
		STREET 1:		LAUREL BROOK ROAD
		CITY:			MIDDLEFIELD
		STATE:			CT
		ZIP:			06455

ISSUER:		

	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

	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>
Document 1 - file: edgardoc.html

Document 1 - RAW XML: edgardoc.xml

</DOCUMENT>
</SEC-DOCUMENT>