 New York, New York--Newsfile Corp. - June 11, 2021 - Bronstein, Gewirtz Grossman, LLC notifies investors that a class action lawsuit has been filed against FibroGen, Inc. FibroGen or the Company NASDAQ: FGEN and certain of its officers, on behalf of shareholders who purchased or otherwise acquired FibroGen securities between December 20, 2018 and April 6, 2021, both dates inclusive the Class Period. Such investors are encouraged to join this case by visiting... 