Pfizer Acquires Treerly Healthfrom Sirio Pharma; Terms Not Disclosed By: Benzinga via Benzinga January 14, 2016 at 04:28 AM EST Pfizer Inc. (NYSE: PFE) announced Wednesday, that it has acquired Sirio Pharma Co. Ltd.'s wholly-owned subsidiary, Treerly ... Read More >> Related Stocks: Macy's Pfizer