SPARK THERAPEUTICS INC

CUSIP: 84652J103 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2019
Shares 4,939 Value ($000) $479 Avg Close — Range —
Q2 2019
Shares 65,408 Value ($000) $6,696 Avg Close — Range —
Q4 2018
Shares 30,838 Value ($000) $1,207 Avg Close — Range —
Q4 2017
Shares 116,321 Value ($000) $5,981 Avg Close — Range —
Q2 2017
Shares 9,254 Value ($000) $553 Avg Close — Range —
Q1 2017
Shares 936 Value ($000) $50 Avg Close — Range —
Q3 2016
Shares 1,649 Value ($000) $99 Avg Close — Range —
Q1 2016
Shares 2,682 Value ($000) $79 Avg Close — Range —
Q4 2015
Shares 2,286 Value ($000) $104 Avg Close — Range —
Q2 2015
Shares 8,665 Value ($000) $522 Avg Close — Range —
Q1 2015
Shares 2,843 Value ($000) $220 Avg Close — Range —