 NEW YORK, March 06, 2021 GLOBE NEWSWIRE -- WHY: Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of the securities of Aquestive Therapeutics, Inc. NASDAQ: AQST between December 2, 2019 and September 25, 2020, inclusive the Class Period. A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than April 30, 2021. 