COGNEX CORP — Director's Dealing 2011

Aug 31, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COGNEX CORP (CGNX)
CIK: 0000851205
Period of Report: 2011-08-30

Reporting Person: MORIN RICHARD (Sr. VP F&A, CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-08-30	Common Stock	M	7500	$19.25	Acquired	8499	Direct
2011-08-30	Common Stock	S	7500	$36.1782	Disposed	999	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-08-30	Non-Qualified Stock Option (right to buy)	$19.25	M	7500	Disposed	2020-03-15	Common Stock (7500)	Direct