 RADNOR, Pa., March 15, 2021 PRNewswire -- The law firm of Kessler Topaz Meltzer Check, LLP reminds that an investor securities fraud class action lawsuit has been filed against iRhythm Technologies, Inc. NASDAQ: IRTC iRhythm on behalf of those who purchased or acquired iRhythm common stock between August 4, 2020 and January 28, 2021 , inclusive the Class Period. 