Rodolphe J. Poussot - 20 Feb 2026 Form 4 Insider Report for WEST PHARMACEUTICAL SERVICES INC (WST)

Signature
/s/ Louis Lalli, as an agent for Rodolphe J. Poussot
Issuer symbol
WST
Transactions as of
20 Feb 2026
Net transactions value
-$31,236
Form type
4
Filing time
23 Feb 2026, 17:44:10 UTC
Previous filing
19 Feb 2026
Next filing
03 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Poussot Rodolphe Jean SVP, Strategy & Corporate Dev 530 HERMAN O. WEST DRIVE, EXTON /s/ Louis Lalli, as an agent for Rodolphe J. Poussot 23 Feb 2026 0002079538

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WST Common Stock Options Exercise +383 +125% 691 20 Feb 2026 Direct F1
transaction WST Common Stock Tax liability $31,236 -130 -19% $241.12 561 20 Feb 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction WST Rst. Stock Unit Options Exercise $0 -383 -50% $0.000000 383 20 Feb 2026 Common Stock 383 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units convert into common stock on a one-for-one basis.
F2 On February 20, 2024, the reporting person was granted 1,143 restricted stock units, vesting in three equal annual installments (plus dividend equivalents).