SPARK THERAPEUTICS INC

CUSIP: 84652J103 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2017
Shares 5,298 Value ($000) $472 Avg Close — Range —
Q2 2017
Shares 10,834 Value ($000) $647 Avg Close — Range —
Q3 2015
Shares 6,966 Value ($000) $291 Avg Close — Range —
Q2 2015
Shares 6,966 Value ($000) $420 Avg Close — Range —