Winters Chad 4

What Happened
Chad Winters, VP and Chief Accounting Officer of West Pharmaceutical Services (WST), received 149.684 shares as the payout of performance stock units (PSUs) that vested at the end of the 2023–2025 performance period. To cover tax obligations, 50.579 of those shares were withheld/disposed at $243.19 per share, producing proceeds of $12,300. The award shares are reported as acquired at $0.00 (vested award).

Key Details

• Transaction date: 2026-02-17. Filing date (Form 4): 2026-02-19.
• Award (A): 149.684 shares acquired at $0.00 (vested PSUs).
• Tax withholding (F): 50.579 shares disposed at $243.19/share, totaling $12,300.
• Net shares retained by insider after withholding: 149.684 − 50.579 = 99.105 shares.
• Shares owned after the transaction: not disclosed in this filing.
• Footnote: F1 — these shares result from PSUs that vested for the 2023–2025 performance period and were payable on the transaction date.
• Transaction codes: A = award/grant; F = payment of tax liability (withholding). Filing appears timely (reported two days after the transaction).

Context
This was a PSU vesting and accompanying tax-withholding event—not an open-market sale. Withholding to satisfy taxes is routine and does not necessarily indicate a positive or negative view of the stock by the insider. The filing shows a net increase of about 99.1 shares retained by the insider after withholding.