MPM Asset Management’s Aratana Therapeutics, Inc. PETX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q2	–	Sell	-250,000	Closed	-$900K	–	7
2019 Q1	$900K	Hold	250,000	–	–	0.37%	7
2018 Q4	$1.53M	Hold	250,000	–	–	1.3%	6
2018 Q3	$1.46M	Hold	250,000	–	–	0.99%	7
2018 Q2	$1.06M	Hold	250,000	–	–	0.41%	8
2018 Q1	$1.1M	Hold	250,000	–	–	0.42%	8
2017 Q4	$1.31M	Hold	250,000	–	–	0.53%	8
2017 Q3	$1.53M	Hold	250,000	–	–	0.75%	7
2017 Q2	$1.81M	Hold	250,000	–	–	0.79%	6
2017 Q1	$1.32M	Hold	250,000	–	–	0.64%	7
2016 Q4	$1.79M	Hold	250,000	–	–	0.85%	8
2016 Q3	$2.34M	Sell	250,000 -867,875	-78%	-$7.21M	0.77%	8
2016 Q2	$7.07M	Hold	1,117,875	–	–	2.29%	7
2016 Q1	$6.17M	Hold	1,117,875	–	–	1.91%	8
2015 Q4	$6.24M	Hold	1,117,875	–	–	1.11%	8
2015 Q3	$9.46M	Sell	1,117,875 -1,000,970	-47%	-$16.9M	1.45%	7
2015 Q2	$32M	Hold	2,118,845	–	–	5.36%	4
2015 Q1	$33.9M	Hold	2,118,845	–	–	7.23%	4
2014 Q4	$37.8M	Hold	2,118,845	–	–	8.39%	3
2014 Q3	$21.3M	Buy	2,118,845 +25,000	+1%	+$303K	6.96%	5
2014 Q2	$32.7M	Sell	2,093,845 -694,320	-25%	-$9.84M	11%	4
2014 Q1	$51.7M	Sell	2,788,165 -1,562,883	-36%	-$31.3M	21.9%	2
2013 Q4	$83.1M	Hold	4,351,048	–	–	26.84%	1
2013 Q3	$71.1M	Buy	4,351,048 +4,170,543	+2,310%	+$43.8M	20.05%	2
2013 Q2	$1.36M	Buy	+180,505	New	+$1.43M	0.6%	10