NOVANTA INC — Director's Dealing 2015

Mar 10, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GSI GROUP INC (GSIG)
CIK: 0001076930
Period of Report: 2015-03-09

Reporting Person: Buckley Robert (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-03-09	Common Stock	M	14783	$12.37	Acquired	142032	Direct
2015-03-09	Common Stock	F	4805	$12.37	Disposed	137227	Direct
2015-03-09	Common Stock	M	18078	$12.37	Acquired	155305	Direct
2015-03-09	Common Stock	F	5876	$12.37	Disposed	149429	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-03-09	Restricted Stock Units	$	M	14783	Disposed		Common Stock (14783)	Direct
2015-03-09	Restricted Stock Units	$	M	18078	Disposed		Common Stock (18078)	Direct

Footnotes

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

F2: The Restricted Stock Units vest in three equal annual installments on March 8, 2013, March 8, 2014 and March 8, 2015.

F3: The Restricted Stock Units vest in three equal annual installments on March 8, 2014, March 8, 2015 and March 8, 2016.