 New York, New York--Newsfile Corp. - October 7, 2021 - Bernstein Liebhard LLP announces that a securities class action lawsuit has been filed on behalf of those who purchased or acquired the securities of Sesen Bio, Inc. NASDAQ: SESN between December 21, 2020 and August 17, 2021. The lawsuit seeks to recover Sesen Bio, Inc. shareholders investment losses. The lawsuit filed in the United States District Court for the Southern District of New York alleges... 