Rock Springs Capital Management’s Chiasma, Inc. Common Stock CHMA Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2021 Q3	–	Sell	-3,258,144	Closed	-$15.4M	–	165
2021 Q2	$15.4M	Buy	3,258,144 +1,083,561	+50%	+$5.13M	0.3%	90
2021 Q1	$6.81M	Buy	2,174,583 +38,069	+2%	+$119K	0.15%	125
2020 Q4	$9.29M	Sell	2,136,514 -7,711	-0.4%	-$33.5K	0.2%	113
2020 Q3	$9.22M	Buy	2,144,225 +751,913	+54%	+$3.23M	0.23%	105
2020 Q2	$7.49M	Buy	1,392,312 +42,312	+3%	+$228K	0.21%	114
2020 Q1	$4.93M	Buy	1,350,000 +190,000	+16%	+$694K	0.2%	98
2019 Q4	$5.75M	Buy	1,160,000 +260,000	+29%	+$1.29M	0.18%	104
2019 Q3	$4.46M	Buy	900,000 +250,000	+38%	+$1.24M	0.18%	111
2019 Q2	$4.86M	Hold	650,000	–	–	0.18%	106
2019 Q1	$3.38M	Buy	650,000 +125,000	+24%	+$650K	0.13%	113
2018 Q4	$1.63M	Hold	525,000	–	–	0.08%	124
2018 Q3	$1.89M	Hold	525,000	–	–	0.07%	133
2018 Q2	$788K	Hold	525,000	–	–	0.03%	145
2018 Q1	$788K	Hold	525,000	–	–	0.03%	146
2017 Q4	$893K	Buy	525,000 +32,500	+7%	+$55.3K	0.04%	141
2017 Q3	$1.26M	Hold	492,500	–	–	0.06%	136
2017 Q2	$714K	Hold	492,500	–	–	0.04%	139
2017 Q1	$837K	Hold	492,500	–	–	0.05%	134
2016 Q4	$960K	Hold	492,500	–	–	0.06%	127
2016 Q3	$1.45M	Hold	492,500	–	–	0.09%	126
2016 Q2	$1.42M	Hold	492,500	–	–	0.11%	122
2016 Q1	$4.51M	Buy	492,500 +5,000	+1%	+$45.8K	0.38%	84
2015 Q4	$9.54M	Sell	487,500 -35,000	-7%	-$685K	0.72%	48
2015 Q3	$10.4M	Buy	+522,500	New	+$10.4M	0.84%	39