Rosen Law Firm, a global investor rights law firm, announces it is investigating potential securities claims on behalf of shareholders of Under Armour, Inc. (NYSE: UA, UAA) resulting from allegations that Under Armour may have issued materially misleading business information to the investing public.

On March 29, 2018, Under Armour announced that personal data of approximately 150 million users of the company's MyFitnessPal nutrition-tracking application and website had been compromised by a data security breach. Hackers gained access to user names, email addresses and passwords. On this news, shares of Under Armour fell sharply during after-hours trading.

Rosen Law Firm is preparing a class action lawsuit to recover losses suffered by Under Armour investors. If you purchased shares of Under Armour please visit the firm's website at to join the class action. You may also contact Phillip Kim or Zachary Halper of Rosen Law Firm toll free at 866-767-3653 or via email at or

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Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation. Since 2014, Rosen Law Firm has been ranked #2 in the nation by Institutional Shareholder Services for the number of securities class action settlements annually obtained for investors.

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