Investor FAQs

Investor FAQs

Our headquarters are located at 480 Arsenal Way, Suite 110, Watertown, MA, 02472. Our main phone number is 617-715-3600.

Our common stock is traded on the NASDAQ Global Market under the ticker TTPH. Our initial public offering took place on March 21, 2013.

The CUSIP number for our common stock is 88165N105.

We do not currently have a direct stock purchase plan. Our common stock can be purchased by contacting a securities broker of your choice. We also do not currently offer a dividend reinvestment program, and do not expect to declare or pay any cash or other dividends on our common stock in the foreseeable future.

Our transfer agent is:
American Stock Transfer
and Trust Company, LLC
6201 15th Avenue
Brooklyn, NY 11219

If you have misplaced your stock certificates, please contact our transfer agent, American Stock Transfer and Trust Company. There may be a fee involved for replacing lost stock certificates.

Our fiscal year ends on December 31.
Our legal counsel is:
Wilmer Cutler Pickering
Hale and Dorr LLP
60 State Street
Boston, MA 02109   Our independent auditors are:
Ernst & Young LLP
200 Clarendon Street
Boston, MA 02116
Our quarterly and annual reports, as well as other SEC filings, can be found on the SEC Filings portion of the Investor Relations website or directly from the SEC at
You can reach our Investor Relations team by submitting a request through the Contact Us form.
Contact Us

Tetraphase Pharmaceuticals, 480 Arsenal Way, Suite 110, Watertown, MA 02472

Tel 617-715-3600 | Fax 617-926-3557 | CONTACT AND MEDICAL INFORMATION

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Copyright © Tetraphase Pharmaceuticals       All rights reserved.


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