NEW YORK--(BUSINESS WIRE)--Shake Shack Inc. (“Shake Shack” or the “Company”) (NYSE:SHAK), today announced that it will report its first quarter 2015 financial results after the close of the financial markets on Wednesday, May 13, 2015. The announcement will be followed by a conference call at 5:00 p.m. EDT. The conference call can be accessed live over the phone by dialing (888) 438-5519 or for international callers by dialing (719) 457-2727. A replay will be available after the call and can be