GlobeNewswire Inc | Feb 18, 2021 10:00AM EST

February 18, 2021

NEW YORK, Feb. 18, 2021 (GLOBE NEWSWIRE) -- Attorney Advertising -- Bronstein, Gewirtz & Grossman, LLC notifies investors that a class action lawsuit has been filed againstbluebird bio, Inc. ("bluebird" or the "Company") (NASDAQ: BLUE) and certain of its officers, on behalf of shareholders who purchased or otherwise acquired bluebird securities between May 11, 2020andNovember 4, 2020, both dates inclusive (the "Class Period"). Such investors are encouraged to join this case by visiting the firms site: www.bgandg.com/blue.

This class action seeks to recover damages against Defendants for alleged violations of the federal securities laws under the Securities Exchange Act of 1934.

The complaint alleges that throughout the Class Period, Defendants made materially false and/or misleading statements, and failed to disclose to investors that: (1) data supporting bluebird's BLA submission for LentiGlobin for SCD was insufficient to demonstrate drug product comparability; (2) Defendants downplayed the foreseeable impact of disruptions related to the COVID-19 pandemic on the Company's BLA submission schedule for LentiGlobin for SCD, particularly with respect to manufacturing; (3) as a result of all the foregoing, it was foreseeable that the Company would not submit the BLA for LentiGlobin for SCD in the second half of 2021; and (4) as a result, the Company's public statements were materially false and misleading at all relevant times.

A class action lawsuit has already been filed. If you wish to review a copy of the Complaint you can visit the firms site: www.bgandg.com/blue or you may contact Peretz Bronstein, Esq. or his Investor Relations Analyst, Yael Hurwitz of Bronstein, Gewirtz & Grossman, LLC at 212-697-6484. If you suffered a loss in bluebird you have until April 13, 2021 to request that the Court appoint you as lead plaintiff. Your ability to share in any recovery doesn't require that you serve as a lead plaintiff.

Bronstein, Gewirtz & Grossman, LLC is a corporate litigation boutique. Our primary expertise is the aggressive pursuit of litigation claims on behalf of our clients. In addition to representing institutions and other investor plaintiffs in class action security litigation, the firms expertise includes general corporate and commercial litigation, as well as securities arbitration. Attorney advertising. Prior results do not guarantee similar outcomes.

Contact:Bronstein, Gewirtz & Grossman, LLCPeretz Bronstein or Yael Hurwitz 212-697-6484 | info@bgandg.com