<SEC-DOCUMENT>0001193125-18-154528-index.html : 20180507
<SEC-HEADER>0001193125-18-154528.hdr.sgml : 20180507
<ACCEPTANCE-DATETIME>20180507163301
ACCESSION NUMBER:		0001193125-18-154528
CONFORMED SUBMISSION TYPE:	S-8 POS
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20180507
DATE AS OF CHANGE:		20180507
EFFECTIVENESS DATE:		20180507

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:		S-8 POS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-100709
		FILM NUMBER:		18811699

	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>S-8 POS
<SEQUENCE>1
<FILENAME>d581899ds8pos.htm
<DESCRIPTION>S-8 POS
<TEXT>
Document 1 - file: d581899ds8pos.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.2
<SEQUENCE>2
<FILENAME>d581899dex42.htm
<DESCRIPTION>EX-4.2
<TEXT>
Document 2 - file: d581899dex42.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>d581899dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 3 - file: d581899dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>d581899dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 4 - file: d581899dex232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>5
<FILENAME>d581899dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 5 - file: d581899dex991.htm

</DOCUMENT>
</SEC-DOCUMENT>