<SEC-DOCUMENT>0001193125-17-082753-index.html : 20170315
<SEC-HEADER>0001193125-17-082753.hdr.sgml : 20170315
<ACCEPTANCE-DATETIME>20170315080205
ACCESSION NUMBER:		0001193125-17-082753
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		11
FILED AS OF DATE:		20170315
DATE AS OF CHANGE:		20170315
EFFECTIVENESS DATE:		20170315

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:		17689872

	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>d300213ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d300213ddefa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g300213na002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g300213na002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g300213naa.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g300213naa.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g300213naa1new.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g300213naa1new.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g300213naa2new.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g300213naa2new.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g300213naa5.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g300213naa5.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g300213nab.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g300213nab.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g300213nac.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g300213nac.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g300213nad.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g300213nad.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g300213nae.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g300213nae.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g300213nba.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g300213nba.jpg
</DOCUMENT> </SEC-DOCUMENT>