 Los Angeles, California--Newsfile Corp. - April 27, 2021 - The Schall Law Firm, a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Aquestive Therapeutics, Inc. Aquestive or the Company NASDAQ: AQST for violations of 10b and 20a of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission.Investors who purchased the Companys securities between December 2, 2019 and September 25, 2020, inclusive... 