 New York, New York--Newsfile Corp. - December 7, 2020 - Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Zosano Pharma Corporation NASDAQ: ZSAN between February 13, 2017 and September 30, 2020, inclusive the Class Period, of the important December 28, 2020 lead plaintiff deadline in the securities class action. The lawsuit seeks to recover damages for Zosano investors under the federal securities laws.To join the Zosano class... 