BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

MASSMUTUAL TRUST CO FSB/ADV's Holding History (CIK: 0001103653)

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

Q1 2022
Shares 401 Value ($000) $2 Avg Close — Range —
Q2 2021
Shares 30 Value ($000) $1 Avg Close — Range —
Q4 2017
Shares 5 Value ($000) $891 Avg Close — Range —