BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

State of Alaska, Department of Revenue's Holding History (CIK: 0001370102)

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

Q2 2019
Shares 6,199 Value ($000) $787 Avg Close — Range —
Q1 2019
Shares 6,174 Value ($000) $970 Avg Close — Range —
Q4 2018
Shares 6,385 Value ($000) $633 Avg Close — Range —
Q3 2018
Shares 6,320 Value ($000) $922 Avg Close — Range —
Q2 2018
Shares 5,790 Value ($000) $908 Avg Close — Range —