THANT v. KARYOPHARM THERAPEUTICS INC.

No. 21-1657.

43 F.4th 214 (2022)

Myo THANT, Individually and on Behalf of All Others Similarly Situated, Plaintiff, Appellant, Heather Mehdi, Plaintiff, v. KARYOPHARM THERAPEUTICS INC.; Michael G. Kauffman; Sharon Shacham; Justin A. Renz; Michael F. Falvey; Garen G. Bohlin, Mikael Dolsten; Scott Garland; Barry E. Greene; Mansoor Raza Mirza; Deepa R. Pakianathan; Kenneth E. Weg, Defendants, Appellees.

United States Court of Appeals, First Circuit.

August 5, 2022.


Attorney(s) appearing for the Case

Adam M. Apton , with whom Nicholas I. Porritt , Shannon L. Hopkins and Levi & Korsinksy, LLP, were on brief, for appellant.

Michael G. Bongiorno , with whom Peter A. Spaeth , Allyson Slater , Jocelyn M. Keider , Joseph M. Levy , and Wilmer Cutler Pickering Hale and Dorr LLP were on brief, for appellees.

Before Barron, Chief Judge, Gelpí, Circuit Judge, and Katzmann, Judge.


Following a decline in the stock price of Karyopharm Therapeutics, Inc., investors (among them, plaintiff-appellant Dr. Myo Thant) filed suit against the company and its corporate officers (together "Karyopharm" or "defendants") alleging securities fraud in violation of Sections 10(b) and 20(a) of the Securities Exchange Act of...

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