SPARK THERAPEUTICS INC

CUSIP: 84652J103 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q3 2018
Shares 8,270 Value ($000) $451 Avg Close — Range —
Q2 2018
Shares 9,520 Value ($000) $788 Avg Close — Range —
Q1 2018
Shares 9,290 Value ($000) $619 Avg Close — Range —
Q4 2017
Shares 4,940 Value ($000) $254 Avg Close — Range —