LEXINGTON, Mass.--(BUSINESS WIRE)--Imprivata® (NYSE: IMPR), the healthcare IT security company, today announced that the company will release the results for its first quarter ended March 31, 2015 after the market closes on Monday, May 4, 2015. Imprivata will hold a conference call for investors on May 4 at 5:00 p.m. ET during which management will review highlights from the company's first quarter, its business outlook and other matters. The call can be accessed by dialing 888-359-3627 or 719-