GLOBAL BLOOD THERAPEUTICS IN

CUSIP: 37890U108 Class: COMMON STOCK

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

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

Q3 2018
Shares 13,825 Value ($000) $525 Avg Close — Range —
Q2 2018
Shares 26,537 Value ($000) $1,199 Avg Close — Range —
Q1 2018
Shares 9,030 Value ($000) $436 Avg Close — Range —