 New York, New York--Newsfile Corp. - June 2, 2021 - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of FibroGen, Inc. NASDAQ: FGEN between October 18, 2017 and April 6, 2021, inclusive the Class Period, of the important June 11, 2021 lead plaintiff deadline.SO WHAT: If you purchased FibroGen securities during the Class Period you may be entitled to compensation without payment of any out of pocket... 