BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

ELEMENT CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001535630)

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

Q1 2018
Shares 103,860 Value ($000) $17,734 Avg Close — Range —
Q4 2017
Shares 132,463 Value ($000) $23,592 Avg Close — Range —