X0306 4 2022-05-24 false 0000105770 WEST PHARMACEUTICAL SERVICES INC WST 0001174597 Hofmann Thomas W 530 HERMAN O. WEST DRIVE EXTON PA 19341 true false false false Common Stock 2022-05-24 4 A false 632.00 A 44212.39 D These shares of restricted stock units will vest in full on the first anniversary of the date of grant and will be distributable under the terms of the Deferred Compensation Plan for Outside Directors. Ryan Metz as Agent for Thomas W. Hofmann 2022-05-26