EQUITY NOTICE: Rosen Law Firm Announces Filing of Securities Class Action Lawsuit Against TESARO, Inc. - TSRO

NEW YORK, Feb. 23, 2018 /PRNewswire/ -- Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of the securities of TESARO, Inc. (NASDAQ: TSRO) from March 14, 2016 through January 12, 2018, inclusive (the "Class Period"). The lawsuit seeks to recover damages for TESARO investors under the federal securities laws.

To join the TESARO class action, go to http://rosenlegal.com/cases-1270.html or call Phillip Kim, Esq. or Daniel Sadeh, Esq. toll-free at 866-767-3653 or email pkim@rosenlegal.com or dsadeh@rosenlegal.com for information on the class action.

NO CLASS HAS YET BEEN CERTIFIED IN THE ABOVE ACTION. UNTIL A CLASS IS CERTIFIED, YOU ARE NOT REPRESENTED BY COUNSEL UNLESS YOU RETAIN ONE. YOU MAY ALSO REMAIN AN ABSENT CLASS MEMBER AND DO NOTHING AT THIS POINT. YOU MAY RETAIN COUNSEL OF YOUR CHOICE.

According to the lawsuit, defendants during the Class Period made materially false and/or misleading statements and/or failed to disclose: (i) substantial undisclosed health risks, including anaphylaxis and anaphylactic shock, were associated with TESARO's intravenous formulation of Varubi; and (ii) as a result of the foregoing, TESARO's shares traded at artificially inflated prices during the Class Period, and class members suffered significant losses and damages.

A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than March 19, 2018. A lead plaintiff is a representative party acting on behalf of other class members in directing the litigation. If you wish to join the litigation, go to http://rosenlegal.com/cases-1270.html or to discuss your rights or interests regarding this class action, please contact Phillip Kim, Esq. or Daniel Sadeh, Esq. of Rosen Law Firm toll free at 866-767-3653 or via e-mail at pkim@rosenlegal.com or dsadeh@rosenlegal.com.

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Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation. Since 2014, Rosen Law Firm has been ranked #2 in the nation by Institutional Shareholder Services for the number of securities class action settlements annually obtained for investors.

Contact Information:

Laurence Rosen, Esq.
Phillip Kim, Esq.
Daniel Sadeh, Esq.
The Rosen Law Firm, P.A.
275 Madison Avenue, 34^th Floor
New York, NY  10016
Tel: (212) 686-1060
Toll Free: (866) 767-3653
Fax: (212) 202-3827
lrosen@rosenlegal.com
pkim@rosenlegal.com
dsadeh@rosenlegal.com
www.rosenlegal.com

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SOURCE Rosen Law Firm, P.A.