Bragar Eagel & Squire, P.C., a nationally recognized stockholder rights law firm, announces that a class action lawsuit has been filed against Biogen, Inc. (“Biogen” or the “Company”) (NASDAQ: BIIB) in the United States District Court for the District of Massachusetts on behalf of all persons and entities who purchased or otherwise acquired Biogen securities between June 7, 2021 and January 11, 2022, both dates included, (the “Class Period”). Investors have until April 8, 2022 to apply to the Court to be appointed as lead plaintiff in the lawsuit.

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The Complaint alleges that throughout the Class Period, Defendants made materially false and/or misleading statements and/or failed to disclose that: (1) the larger dataset did not provide necessary data regarding aducanumab’s effectiveness; (2) the EMERGE study did not and would not provide necessary data regarding aducanumab's effectiveness; (3) the PRIME study did not and would not provide necessary data regarding aducanumab’s effectiveness; (4) the data provided by the Company to the FDA’s Peripheral and Central Nervous System Drugs Advisory Committee did not support finding efficacy of aducanumab; and (5) as a result, defendants' statements about its business, operations, and prospects, were materially false and misleading and/or lacked a reasonable basis at all relevant times. When the true details entered the market, the lawsuit claims that investors suffered damages.

If you purchased or otherwise acquired Biogen shares and suffered a loss, are a long-term stockholder, have information, would like to learn more about these claims, or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Brandon Walker or Alexandra Raymond by email at investigations@bespc.com, telephone at (212) 355-4648, or by filling out this contact form. There is no cost or obligation to you.

About Bragar Eagel & Squire, P.C.:

Bragar Eagel & Squire, P.C. is a nationally recognized law firm with offices in New York, California, and South Carolina. The firm represents individual and institutional investors in commercial, securities, derivative, and other complex litigation in state and federal courts across the country. For more information about the firm, please visit www.bespc.com. Attorney advertising. Prior results do not guarantee similar outcomes.

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