West Pharmaceutical Services (WST)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-30 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: WEST PHARMACEUTICAL SERVICES INC (WST) CIK: 0000105770 --- Reporting Owner --- Name: HAUGEN JANET BRUTSCHEA CIK: 0001185136 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Phantom Stock Unit Date: 2026-06-30 | Code: A (Grant or award) Shares: +46 | Price: $359.00 Shares Owned After: 306.678 | Ownership: D (Direct) Footnotes: [F2] Awards of Phantom stock units are to be settled by delivery of shares of stock upon the reporting person's termination as a director. [F2] Awards of Phantom stock units are to be settled by delivery of shares of stock upon the reporting person's termination as a director. [F2] Awards of Phantom stock units are to be settled by delivery of shares of stock upon the reporting person's termination as a director. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) Footnotes: [F1] Reflects 791 shares of restricted stock units and dividend equivalents that 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: Reflects 791 shares of restricted stock units and dividend equivalents that 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. F2: Awards of Phantom stock units are to be settled by delivery of shares of stock upon the reporting person's termination as a director. --- Signature --- /s/ /s/ Louis Lalli, as an agent for Janet Brutschea Haugen (2026-07-01)