 New York, New York--Newsfile Corp. - May 2, 2021 - WHY:. Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Athenex, Inc. NASDAQ: ATNX between August 7, 2019 and February 26, 2021, inclusive the Class Period, of the important May 3, 2021 lead plaintiff deadline.SO WHAT: If you purchased Athenex securities during the Class Period you may be entitled to compensation without payment of any out of pocket... 