 NEW YORK, July 4, 2021 PRNewswire -- WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of AcelRx Pharmaceuticals, Inc. NASDAQ: ACRX between March 17, 2020 and February 12, 2021, inclusive the Class Period, of the important August 9, 2021 lead plaintiff deadline. SO WHAT: If you purchased AcelRx securities during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement. 