NOVANTA INC — Director's Dealing 2012

Feb 24, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GSI GROUP INC (GSIG)
CIK: 0001076930
Period of Report: 2012-02-22

Reporting Person: Buckley Robert (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-22	Common Stock	M	36666	—	Acquired	36666	Direct
2012-02-22	Common Stock	S	11984	$11.58	Disposed	24682	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-22	Restricted Stock Unit	$	M	36666	Disposed		Common Stock (36666)	Direct

Footnotes

F1: The sale to pay withholding taxes reported in this Form 4 was effectuated pursuant to a Rule 10b5-1 Trading Instruction adopted by the reporting person on November 28, 2011.

F2: Each Restricted Stock Unit represents the right to receive one GSI Group Inc. common share upon vesting of such Restricted Stock Unit.

F3: The Restricted Stock Units reported on this Form 4 vested on February 22, 2012.