Urges the Board to Hire Qualified Advisors and Initiate Good Faith Negotiations with SAP Based on Reports of Renewed Acquisition Interest Underscores Belief That a Sale Represents the Best Outcome for Stockholders in Light of BlackLine's Inability to Realize Sustainable Value in the Public Market NEWPORT BEACH, Calif.--(BUSINESS WIRE)--Engaged Capital, LLC ("Engaged†), an investment firm specializing in enhancing the value of small- and mid-cap North American companies, today issued the following letter t ...