Lead Plaintiff Deadline: October 18, 2021
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(1) Sesen Bio’s clinical trial for its cancer treatment product, Vicineum, had more than 2,000 violations of trial protocol, including 215 classified as “major”; (2) three of Sesen Bio’s clinical investigators were found guilty of “serious noncompliance,” including “back-dating data”; (3) Sesen Bio had submitted the tainted data in connection with the Biologics License Application (“BLA”) for Vicineum; (4) Sesen Bio’s clinical trials showed that Vicineum leaked out into the body, leading to side effects including liver failure and liver toxicity, and increasing the risks for fatal, drug-induced liver injury; (5) as a result of the foregoing, the Company’s BLA for Vicineum was not likely to be approved; (6) as a result of the foregoing, there was a reasonable likelihood that Sesen Bio would be required to conduct additional trials to support the efficacy and safety of Vicineum; and (7) as a result of the foregoing, Defendants’ positive statements about the Company’s business, operations, and prospects were materially misleading and/or lacked a reasonable basis.
In order to be included in the lawsuit, you must have incurred a loss on shares of Sesen Bio, either: A) purchased or acquired during the class period listed above, if applicable; or B) pursuant to the Initial Public Offering (IPO) of Sesen Bio, if applicable.
If you suffered a loss in Sesen Bio during the relevant time frame, or pursuant to Sesen Bio’s IPO if listed above, you have until October 18, 2021 to request that the Court appoint you as lead plaintiff. Your ability to share in any recovery doesn't require that you serve as a lead plaintiff.