NEW YORK, May 14, 2025 /PRNewswire/ -- Why: Rosen Law Firm, a global investor rights law firm, announces that a shareholder filed a class action on behalf of purchasers of common stock of West Pharmaceutical Services, Inc. (NYSE: WST) between February 16, 2023 and February 12, 2025, both dates 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 July 7, 2025.So what: If you purchased West Pharmaceutical c ...