Insider Transactions by Fehr Gordon J.

Symbol	Relationship	Date	Transaction	Cost	# Shares	Value($)	Total Shares	Form 4
MACK	Director	Apr 13, 2015	Option Exercise	$1.71	20,000	34,200	235,143	Apr 15, 2015, 06:07 PM
MACK	Director	Apr 13, 2015	Sale	$13.00	20,000	260,000	215,143	Apr 15, 2015, 06:07 PM
MACK	Director	May 12, 2014	Option Exercise	$1.25	25,000	31,250	215,143	May 14, 2014, 02:28 PM
MACK	Director	Apr 15, 2013	Option Exercise	$2.19	15,000	32,850	205,143	Apr 16, 2013, 06:02 PM
MACK	Director	Apr 15, 2013	Sale	$6.04	15,000	90,645	190,143	Apr 16, 2013, 06:02 PM
MACK	Director	Jul 03, 2012	Option Exercise	$2.19	20,000	43,800	190,143	Jul 05, 2012, 08:39 AM
MACK	Director	Apr 17, 2012	Option Exercise	$2.19	5,462	11,962	170,143	May 01, 2012, 08:24 AM
MACK	Director	Apr 17, 2012	Option Exercise	$2.19	5,462	11,962	170,143	Apr 18, 2012, 04:26 PM
MACK	Director	Apr 03, 2012	Buy	$7.00	1,428	9,996	142,459	Apr 05, 2012, 04:11 PM

Desktop Version

Symbol	Relationship	Date	Transaction	Value($)
MACK	Director	Apr 13, 2015	Option Exercise	34,200
MACK	Director	Apr 13, 2015	Sale	260,000
MACK	Director	May 12, 2014	Option Exercise	31,250
MACK	Director	Apr 15, 2013	Option Exercise	32,850
MACK	Director	Apr 15, 2013	Sale	90,645
MACK	Director	Jul 03, 2012	Option Exercise	43,800
MACK	Director	Apr 17, 2012	Option Exercise	11,962
MACK	Director	Apr 17, 2012	Option Exercise	11,962
MACK	Director	Apr 03, 2012	Buy	9,996