Merrimack Pharmaceuticals Inc. to Ring the NASDAQ Stock Market Opening Bell  
7/23/2012 9:37:06 AM

ADVISORY, July 23, 2012 (GLOBE NEWSWIRE) -- What: Merrimack Pharmaceuticals, Inc. [MACK], a biopharmaceutical company discovering, developing and preparing to commercialize innovative medicines paired with companion diagnostics for the treatment of serious diseases, with an initial focus on cancer, will visit the NASDAQ MarketSite in Times Square.