 NEW YORK, June 1, 2021 PRNewswire -- Pomerantz LLP announces that a class action lawsuit has been filed against MultiPlan Corporation fka Churchill Capital Corp. III Churchill III or the Company NYSE: MPLN; MPLN.WS; CCXX; CCXX.WS; CCXX.U and certain of its officers, directors, and sponsors. The class action, filed in the United States District Court for the Southern District of New York, and docketed under 21-cv-01965, is on behalf of a class consisting of: i all purchasers of Churchill III securities between July 12, 2020 and November 10, 2020, inclusive the Class Period; and ii 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. 