West Pharmaceutical Services (WST)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-04 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: WEST PHARMACEUTICAL SERVICES INC (WST) CIK: 0000105770 --- Reporting Owner --- Name: FRIEL ROBERT F CIK: 0001224110 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-04 | Code: A (Grant or award) Shares: +791 | Price: $0.00 Shares Owned After: 5,512.97 | Ownership: D (Direct) Footnotes: [F1] These shares of restricted stock units will vest in full on the date of the next annual shareholder meeting and will be distributable under the terms of the Deferred Compensation Plan for Outside Directors. --- Footnotes (Complete Index) --- F1: These shares of restricted stock units will vest in full on the date of the next annual shareholder meeting and will be distributable under the terms of the Deferred Compensation Plan for Outside Directors. --- Signature --- /s/ /s/ Louis Lalli, as an agent for Robert F. Friel (2026-05-06)