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: SHILLMAN ROBERT J (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-04	Common Stock	M	2250	$22.685	Acquired	3537756	Direct
2010-11-04	Common Stock	S	2250	$29.1162	Disposed	3535506	Direct
2010-11-04	Common Stock	M	60000	$18.125	Acquired	3595506	Direct
2010-11-04	Common Stock	S	60000	$29.1162	Disposed	3535506	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-11-04	Non-Qualified Stock Option (right to buy)	$18.125	M	60000	Disposed	2015-12-21	Common Stock (60000)	Direct
2010-11-04	Non-Qualified Stock Option (right to buy)	$22.685	M	2250	Disposed	2011-03-13	Common Stock (2250)	Direct