SPARK THERAPEUTICS INC

CUSIP: 84652J103 Class: COM

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

Note: Option positions (PUT/CALL) are excluded.

Q3 2019
Shares 505,371 Value ($000) $49,011 Avg Close — Range —
Q2 2019
Shares 505,371 Value ($000) $51,740 Avg Close — Range —
Q1 2019
Shares 537,500 Value ($000) $61,211 Avg Close — Range —
Q4 2018
Shares 537,500 Value ($000) $21,038 Avg Close — Range —
Q3 2018
Shares 537,500 Value ($000) $29,321 Avg Close — Range —
Q2 2018
Shares 544,000 Value ($000) $45,021 Avg Close — Range —
Q1 2018
Shares 623,500 Value ($000) $41,519 Avg Close — Range —
Q4 2017
Shares 615,000 Value ($000) $31,623 Avg Close — Range —
Q3 2017
Shares 597,000 Value ($000) $53,229 Avg Close — Range —
Q2 2017
Shares 625,000 Value ($000) $37,338 Avg Close — Range —
Q1 2017
Shares 625,000 Value ($000) $33,338 Avg Close — Range —
Q4 2016
Shares 625,000 Value ($000) $31,188 Avg Close — Range —
Q3 2016
Shares 625,000 Value ($000) $37,538 Avg Close — Range —
Q2 2016
Shares 610,000 Value ($000) $31,189 Avg Close — Range —
Q1 2016
Shares 580,500 Value ($000) $17,131 Avg Close — Range —
Q4 2015
Shares 560,000 Value ($000) $25,374 Avg Close — Range —
Q3 2015
Shares 500,000 Value ($000) $20,865 Avg Close — Range —
Q2 2015
Shares 508,059 Value ($000) $30,621 Avg Close — Range —
Q1 2015
Shares 33,106 Value ($000) $2,566 Avg Close — Range —