Eric M. Green - 17 Feb 2026 Form 4 Insider Report for WEST PHARMACEUTICAL SERVICES INC (WST)

Reporting relationship: President, CEO and Board Chair, Director
Issuer ticker: WST
Reported as of: 17 Feb 2026
Net transaction value: -$459,846
SEC form: 4
Accepted by SEC: 19 Feb 2026, 19:00:34 UTC
Prior SEC filing: 05 Jan 2026
Next SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Louis Lalli, as an agent for Eric Green

Key filing fact

Eric M. Green filed Form 4 for WEST PHARMACEUTICAL SERVICES INC (WST) on 19 Feb 2026.

Key facts

This page summarizes Eric M. Green's Form 4 filing for WEST PHARMACEUTICAL SERVICES INC (WST).
5 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 19 Feb 2026, 19:00.

Change

Previous filing in this sequence was filed on 05 Jan 2026.
Current net transaction value: -$459,846.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001336007 Primary reporting owner

Green Eric Mark

Relationship: President, CEO and Board Chair, Director
Address: 530 HERMAN O. WEST DRIVE, EXTON
Signature: /s/ Louis Lalli, as an agent for Eric Green
Signature date: 19 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WST transaction

Common Stock

Award

Transaction value: $0
Shares: +4,419
Change %: +2.6%
Price: $0.000000
Shares after: 174,200
Date: 17 Feb 2026
Ownership: Direct
Footnotes: F1

WST transaction

Common Stock

Tax liability

Transaction value: $317,456
Shares: -1,305
Change %: -0.75%
Price: $243.19
Shares after: 172,895
Date: 17 Feb 2026
Ownership: Direct

WST transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,319
Change %: +0.76%
Price
Shares after: 175,734
Date: 18 Feb 2026
Ownership: Direct
Footnotes: F2

WST transaction

Common Stock

Tax liability

Transaction value: $142,390
Shares: -574
Change %: -0.33%
Price: $248.26
Shares after: 175,161
Date: 18 Feb 2026
Ownership: Direct

WST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 257
Date: 17 Feb 2026
Ownership: Non-Qualified Deferred Compensation Plan

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WST transaction Derivative

Rst. Stock Unit

Options Exercise

Transaction value: $0
Shares: -1,319
Change %: -25%
Price: $0.000000
Shares after: 3,956
Date: 18 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,319
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

These shares result from performance stock units (PSUs) which vested at the end of the respective 2023-2025 PSU performance period and were payable on the transaction date shown.

Footnote F2

Restricted stock units convert into common stock on a one-for-one basis.

Footnote F3

On February 18, 2025, the reporting person was granted 5,256 restricted stock units, vesting in four equal annual installments (plus dividend equivalents).