 NEW YORK--BUSINESS WIRE--Bronstein, Gewirtz Grossman, LLC notifies investors that a class action lawsuit has been filed against Zosano Pharma Corporation Zosano or the Company NASDAQ: ZSAN and certain of its officers, on behalf of shareholders who purchased or otherwise acquired Zosano securities between February 13, 2017 and September 30, 2020, inclusive the Class Period. Such investors are encouraged to join this case by visiting the firms site: This 