BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

MASON CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001218735)

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

Q2 2021
Shares 21,486 Value ($000) $687 Avg Close — Range —
Q1 2021
Shares 15,000 Value ($000) $452 Avg Close — Range —