 New York, New York--Newsfile Corp. - August 19, 2021 - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of James River Group Holdings, Ltd. NASDAQ: JRVR between August 1, 2019 and May 5, 2021, inclusive the Class Period, of the important September 7, 2021 lead plaintiff deadline.SO WHAT: If you purchased James River securities during the Class Period you may be entitled to compensation without payment of any... 