BLUE DEADLINE ALERT: TOP RANKED ROSEN LAW FIRM Encourages bluebird bio Inc. Investors to Secure Counsel Before Important May 28 Deadline in Securities Class Action – BLUE

NEW YORK, May 21, 2024 /PRNewswire/ — WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of common stock of bluebird bio, Inc. (NASDAQ: BLUE) between April 24, 2023 and December 8, 2023, both dates inclusive (the “Class Period”), of the important May 28, 2024 lead…