 LOS ANGELES, March 19, 2021 PRNewswire -- The Law Offices of Frank R. Cruz announces that a class action lawsuit has been filed on behalf of persons and entities that: a purchased MultiPlan Corporation fka Churchill Capital Corp. III Churchill III or the Company NYSE: MPLN securities between July 12, 2020 and November 10, 2020 , inclusive the Class Period; and b all holders of Churchill III Class A common stock entitled to vote on Churchill IIIs merger with and acquisition of Polaris Parent Corp. and its consolidated subsidiaries collectively, MultiPlan consummated in October 2020 the Merger. 