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Shareholder Class Action Filed Against Tesaro, Inc.

Notice is hereby given that a class action lawsuit has been filed on behalf of those who purchased or otherwise acquired Tesaro, Inc. (“Tesaro”) (Nasdaq: TSRO) securities between March 14, 2016 and January 12, 2018, both dates inclusive (the “Class Period”).

Tesaro, Inc. investors may receive additional information about the case by clicking the link "Submit Your Information" above.

According to the complaint, Tesaro is an oncology-focused biopharmaceutical company that identifies, acquires, develops, and commercializes cancer therapeutics and oncology supportive care products in the United States.  At all relevant times, Tesaro’s product portfolio has included Varubi (rolapitant), a neurokinin-1 receptor antagonist for the prevention of chemotherapy induced nausea and vomiting.

The Class Period commences on March 14, 2016, when Tesaro issued a press release entitled “Tesaro Submits New Drug Application for Intravenous Rolapitant to the U.S. Food and Drug Administration.”

The complaint alleges that on January 12, 2018, post-market, Tesaro announced that it had updated the U.S. labeling for the intravenous formulation of Varubi after receiving reports of “[a]naphylaxis, anaphylactic shock and other serious hypersensitivity reactions . . . in the post-marketing setting, some requiring hospitalization.” The company further stated that it “has issued a Dear Healthcare Professional (DHCP) letter.”

Following this news, Tesaro’s share price fell $4.07 or 5.85%, to close at $65.52 on January 16, 2018.

The complaint alleges that during the Class Period, the defendants made false and/or misleading statements and/or failed to disclose that: (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.

If you are a member of the class described above, you may no later than March 19, 2018 move the Court to serve as lead plaintiff of the class, if you so choose. 

A lead plaintiff is a representative party that acts on behalf of other class members in directing the litigation.  In order to be appointed lead plaintiff, the Court must determine that the class member’s claim is typical of the claims of other class members, and that the class member will adequately represent the class.  Your ability to share in any recovery is not, however, affected by the decision whether or not to serve as a lead plaintiff. Any member of the purported class may move the court to serve as a lead plaintiff through counsel of their choice, or may choose to do nothing and remain an inactive class member.

Kessler Topaz Meltzer & Check, LLP has not filed a complaint in this matter.  If you wish to discuss this action or have any questions concerning this notice or your rights or interests with respect to these matters, please contact Kessler Topaz Meltzer & Check, LLP toll free at 1-888-299-7706 or 1-610-667-7706, or via e-mail at info@ktmc.com. For more information about Kessler Topaz Meltzer & Check, LLP, please visit our website at http://www.ktmc.com. If you would like additional information about the suit, please fill out the attached form as promptly as possible and return it by fax to 610-667-7056, or by mail in the enclosed envelope.

CONTACT:
Kessler Topaz Meltzer & Check, LLP
James Maro, Esq. or Adrienne Bell, Esq.
280 King of Prussia Road
Radnor, PA 19087
1-888-299-7706 (toll free) or 1-610-667-7706
Or by e-mail at info@ktmc.com

Please complete this form and list your purchase and sale transaction(s) of Tesaro, Inc. (Nasdaq: TSRO) (“Tesaro”) securities between March 14, 2016 and January 12, 2018, inclusive (the “Class Period”):

Information Sheet
* Denotes required field
Acquisitions
Date Aquired
Number of Shares Acquired
Acquisition Price Per Share
Sales
Date Sold
Number of Shares Sold
Selling Price Per Share
Did you purchase shares of Tesaro, Inc. prior to the Class Period?
Are you a current or former employee of Tesaro, Inc.?
The submission of this form does not create an attorney-client relationship, nor an obligation on the part of Kessler Topaz or you to file a lead plaintiff motion in this matter. Any information you submit will be maintained as confidential. If Kessler Topaz, in its sole discretion, believes that you might be an appropriate lead plaintiff candidate, Kessler Topaz will contact you to discuss the matter and whether to establish an attorney client relationship. By signing this form you are authorizing us to contact you regarding this case and/or future cases.
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