<SEC-DOCUMENT>0001157523-17-002875-index.html : 20171030
<SEC-HEADER>0001157523-17-002875.hdr.sgml : 20171030
<ACCEPTANCE-DATETIME>20171030162121
ACCESSION NUMBER:		0001157523-17-002875
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20171030
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20171030
DATE AS OF CHANGE:		20171030

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34218
		FILM NUMBER:		171162584

	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>8-K
<SEQUENCE>1
<FILENAME>a51707512.htm
<DESCRIPTION>COGNEX CORP. 8-K
<TEXT>
Document 1 - file: a51707512.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a51707512ex99_1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: a51707512ex99_1.htm

</DOCUMENT>
</SEC-DOCUMENT>