COGNEX CORP — Director's Dealing 2017

May 10, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COGNEX CORP (CGNX)
CIK: 0000851205
Period of Report: 2017-05-08

Reporting Person: Willett Robert (CEO& President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-08	Common Stock	M	20020	$12.38	Acquired	20020	Direct
2017-05-08	Common Stock	S	20020	$89.7097	Disposed	0	Direct
2017-05-09	Common Stock	M	23961	$12.38	Acquired	23961	Direct
2017-05-09	Common Stock	S	23961	$89.8489	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-08	Non-Qualified Stock Option (right to buy)	$12.38	M	20020	Disposed	2021-03-18	Common Stock (20020)	Direct
2017-05-09	Non-Qualified Stock Option (right to buy)	$12.38	M	23961	Disposed	2021-03-18	Common Stock (23961)	Direct