NEW YORK, Sept. 9, 2023 /PRNewswire/ — WHY: New York, N.Y., September 9, 2023. Rosen Law Firm, a global investor rights law firm, reminds purchasers of common stock of Apellis Pharmaceuticals, Inc. (NASDAQ: APLS) between January 28, 2021 and July 28, 2023, both dates inclusive (the…