NEW YORK, May 21, 2024 /PRNewswire/ -- The Gross Law Firm issues the following notice to shareholders of bluebird bio, Inc. (NASDAQ: BLUE). Shareholders who purchased shares of BLUE during the class period listed are encouraged to contact the firm regarding possible lead plaintiff appointment. Appointment as lead plaintiff is not required to partake in any recovery. CONTACT US HERE: https://securitiesclasslaw.com/securities/bluebird-bio-loss-submission-form/?id=80713&from=4 CLASS PERIOD: April 24, 2023 to D ...