SPARK THERAPEUTICS INC

CUSIP: 84652J103 Class: COM

Casdin Capital, LLC's Holding History (CIK: 0001534261)

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

Q3 2019
Shares 863,300 Value ($000) $83,722,834 Avg Close — Range —
Q2 2019
Shares 884,800 Value ($000) $90,585,824 Avg Close — Range —
Q1 2019
Shares 940,000 Value ($000) $107,047 Avg Close — Range —
Q4 2018
Shares 840,000 Value ($000) $32,878 Avg Close — Range —
Q3 2018
Shares 675,000 Value ($000) $36,821 Avg Close — Range —
Q2 2018
Shares 463,000 Value ($000) $38,318 Avg Close — Range —
Q1 2018
Shares 463,000 Value ($000) $30,831 Avg Close — Range —
Q4 2017
Shares 302,474 Value ($000) $15,553 Avg Close — Range —
Q3 2017
Shares 209,474 Value ($000) $18,677 Avg Close — Range —
Q2 2017
Shares 170,000 Value ($000) $10,156 Avg Close — Range —
Q1 2017
Shares 135,000 Value ($000) $7,201 Avg Close — Range —
Q4 2016
Shares 128,500 Value ($000) $6,412 Avg Close — Range —
Q3 2016
Shares 93,500 Value ($000) $5,616 Avg Close — Range —
Q2 2016
Shares 162,500 Value ($000) $8,309 Avg Close — Range —
Q1 2016
Shares 170,000 Value ($000) $5,017 Avg Close — Range —
Q4 2015
Shares 145,000 Value ($000) $6,570 Avg Close — Range —