 New York, New York--Newsfile Corp. - June 10, 2021 - The Klein Law Firm announces that a class action complaint has been filed on behalf of shareholders of FibroGen, Inc. NASDAQ: FGEN alleging that the Company violated federal securities laws.Class Period: October 18, 2017 and April 6, 2021Lead Plaintiff Deadline: June 11, 2021Learn more about your recoverable losses in FGEN: 