SPARK THERAPEUTICS INC

CUSIP: 84652J103 Class: COM

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q3 2019
Shares 714,789 Value ($000) $69,320 Avg Close — Range —
Q2 2019
Shares 614,128 Value ($000) $62,874 Avg Close — Range —
Q1 2019
Shares 529,000 Value ($000) $60,243 Avg Close — Range —
Q4 2018
Shares 1,136,851 Value ($000) $44,496 Avg Close — Range —
Q3 2018
Shares 837,048 Value ($000) $45,661 Avg Close — Range —
Q3 2016
Shares 68,600 Value ($000) $4,120 Avg Close — Range —
Q1 2016
Shares 8,700 Value ($000) $257 Avg Close — Range —