San Diego, CA -- (SBWIRE) -- 08/13/2018 -- The Shareholders Foundation announces that an investor, who purchased shares of Tetraphase Pharmaceuticals Inc (NASDAQ:TTPH), filed a lawsuit over alleged Securities Laws violations by Tetraphase Pharmaceuticals Inc.

Investors who purchased shares of Tetraphase Pharmaceuticals Inc (NASDAQ:TTPH), have certain options and for certain investors are short and strict deadlines running. Deadline: September 25, 2018. NASDAQ:TTPH investors should contact the Shareholders Foundation at mail@shareholdersfoundation.com or call +1(858) 779 - 1554.

According to the complaint the plaintiff alleges on behalf of persons and/or entities that acquired Tetraphase Pharmaceuticals Inc (NASDAQ: TTPH) securities pursuant and/or traceable to the Company's allegedly false and/or misleading registration statement and prospectus issued in connection with the Company's July 2017 secondary public offering ("SPO" or the "Offering"); and/or acquired Tetraphase Pharmaceuticals Inc (NASDAQ:TTPH) securities between March 8, 2017 and February 13, 2018, that the defendants violated Federal Securities Laws.

More specifically, the plaintiff claims that between March 8, 2017 and February 13, 2018, the defendants failed to disclose, that Tetraphase Pharmaceuticals Inc (NASDAQ:TTPH) was increasing the patient enrollment in its IGNITE3 trial from 1,000 patients to 1,200 patients to meet the trial's primary endpoints (within the 10% non-inferiority margin), that the enrollment of more patients in the trial indicated that the existing population was inadequate to meet the trial's primary endpoints, and that, as a result of the foregoing, Defendants' statements about Tetraphase's business, operations, and prospects, were materially false and/or misleading and/or lacked a reasonable basis.

Those who purchased shares of Tetraphase Pharmaceuticals Inc (NASDAQ:TTPH) have certain options and should contact the Shareholders Foundation.

Contact:
Shareholders Foundation, Inc.
Michael Daniels
3111 Camino Del Rio North - Suite 423
92108 San Diego
Phone: +1-(858)-779-1554
Fax: +1-(858)-605-5739
mail@shareholdersfoundation.com