<SEC-DOCUMENT>0001193125-16-505912-index.html : 20160316
<SEC-HEADER>0001193125-16-505912.hdr.sgml : 20160316
<ACCEPTANCE-DATETIME>20160316080241
ACCESSION NUMBER:		0001193125-16-505912
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		11
FILED AS OF DATE:		20160316
DATE AS OF CHANGE:		20160316
EFFECTIVENESS DATE:		20160316

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:		161508559

	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>DEFA14A
<SEQUENCE>1
<FILENAME>d34309ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d34309ddefa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g34309ima1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g34309ima1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g34309ima10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g34309ima10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g34309ima2.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g34309ima2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g34309ima3.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g34309ima3.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g34309ima4.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g34309ima4.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g34309ima5.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g34309ima5.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g34309ima6.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g34309ima6.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g34309ima7.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g34309ima7.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g34309ima8.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g34309ima8.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g34309ima9.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g34309ima9.jpg
</DOCUMENT> </SEC-DOCUMENT>