 RADNOR, Pa., March 19, 2021 PRNewswire -- The law firm of Kessler Topaz Meltzer Check, LLP reminds investors of MultiPlan Corporation NYSE: MPLN NYSE: MPLN.WS MultiPlan fka Churchill Capital Corp. III Churchill III that a securities fraud class action has been filed on behalf of: 1 those who purchased or acquired MultiPlan securities between July 12, 2020 and November 10, 2020 , inclusive the Class Period; and 2 all holders of Churchill Capital Corp. III Churchill III Class A common stock entitled to vote on Churchill IIIs merger with and acquisition of Polaris Parent Corp. and its consolidated subsidiaries consummated in October 2020 the Merger. 