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Investor FAQ

Our common stock is traded on the NASDAQ Global Select Market under the symbol “SNDX.”
Our common stock first began trading on the NASDAQ Global Select Market in March 2016.
You may purchase shares of our common stock through any brokerage, bank or other financial institution that is authorized to trade in shares of publicly held securities.
35 Gatehouse Drive
Building D, Floor 3
Waltham, Massachusetts 02451
We were incorporated in Delaware on October 11, 2005.
You can view our Board of Directors by visiting the Investor Relations – Corporate Governance page of our website.
You can view our management team by visiting the Investor Relations – Corporate Governance page of our website.
Our fiscal year ends on December 31 of each year.
Our independent registered public accounting firm is Deloitte & Touche LLP.
We have never declared or paid any cash dividends on our capital stock. We currently intend to retain all available funds and any future earnings to support our operations and finance the growth and development of our business and do not intend to declare or pay any cash dividends in the foreseeable future.
No, because we do not currently pay dividends, we do not offer a dividend reinvestment plan.
No, we do not sell stock directly to the public.
Our CUSIP number is 87164F 105.
Our fiscal year ends on December 31 of each year, with quarters ending on March 31, June 30 and September 30. Information regarding the timing of our earnings releases may be in the Investors – Press Releases and Investors – Events & Presentations pages of our website.
You may find our press releases, quarterly and annual reports, as well as other filings with the Securities and Exchange Commission, on the Investors page of our website.
You must send both your old and new addresses to our transfer agent, Computershare Trust Company, N.A., https://www-us.computershare.com/Investor, by U.S. mail. Each stockholder in question must sign a request for an address change.     
You can contact our Investor Relations Department by filling out the form located on the Investor Relations – Contact Us page of our website.
Our transfer agent is Computershare Trust Company, N.A. Our transfer agent may be contacted at:
Computershare Trust Company, N.A.
480 Washington Blvd.
College Station, Texas 77845
Tel: 1-877-373-6374
You can find more information about how to contact Computershare Trust Company, N.A. at https://www-us.computershare.com/Investor/Contact.