COGNEX CORP — Director's Dealing 2010

Nov 5, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COGNEX CORP (CGNX)
CIK: 0000851205
Period of Report: 2010-11-04

Reporting Person: ALIAS PATRICK (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-04	Common Stock	M	1800	$22.685	Acquired	1800	Direct
2010-11-04	Common Stock	S	1800	$29.2248	Disposed	0	Direct
2010-11-04	Common Stock	M	25000	$22.255	Acquired	25000	Direct
2010-11-04	Common Stock	S	25000	$29.2248	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-11-04	Non-Qualified Stock Option (right to buy)	$22.255	M	25000	Disposed	2013-04-24	Common Stock (25000)	Direct
2010-11-04	Non-Qualified Stock Option (right to buy)	$22.685	M	1800	Disposed	2011-03-13	Common Stock (1800)	Direct