NOVANTA INC — Director's Dealing 2012

Aug 16, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GSI GROUP INC (GSIG)
CIK: 0001076930
Period of Report: 2012-08-15

Reporting Person: CHANG PETER L (VP, Corporate Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-15	Common Stock	M	4000	—	Acquired	4000	Direct
2012-08-15	Common Stock	F	1268	$9.21	Acquired	2732	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-15	Restricted Stock Units	$	M	4000	Acquired		Common Stock (4000)	Direct

Footnotes

F1: Each Restricted Stock Unit represents the right to receive one GSI Group Inc. common share upon vesting of such Resricted Stock Unit.

F2: The Restricted Stock Units reported on this Form 4 vested on August 15, 2012.