SHASH v. BIOGEN, INC.

No. 22-1773.

84 F.4th 1 (2023)

Nadia SHASH, individually and on behalf of all others similarly situated; Amjad Khan, individually and on behalf of all others similarly situated, Plaintiffs, Appellants, Victor D. Menashe, individually and on behalf of all others similarly situated, Plaintiff, v. BIOGEN, INC.; Michel Vounatsos; Alfred W. Sandrock, Jr.; Samantha Budd Haeberlein, Defendants, Appellees, Jeffrey D. Capello; Michael R. McDonnell, Defendants.

United States Court of Appeals, First Circuit.

October 11, 2023.


Attorney(s) appearing for the Case

Robert K. Kry , with whom Fu Shek Rocky Li , Sara E. Margolis , Swara Saraiya , MoloLamken LLP, Laurence M. Rosen , and The Rosen Law Firm, P.A. were on brief, for appellants.

Audra J. Soloway , with whom Daniel S. Sinnreich , Danielle J. Marryshow , Paul, Weiss, Rifkind, Wharton & Garrison LLP, William J. Trach , and Latham & Watkins LLP were on brief, for appellees.

Before Barron, Chief Judge, Howard and Gelpí, Circuit Judges.


Following a significant drop in Biogen Inc.'s stock price, Plaintiff-Appellant Nadia Shash and other investors (collectively, "investors") brought a securities fraud class action alleging that Defendants-Appellees1 ("Defendants") violated sections...

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