Chad Winters - 20 Feb 2026 Form 4 Insider Report for WEST PHARMACEUTICAL SERVICES INC (WST)

Role
VP, Chief Accounting Officer
Signature
/s/ Louis Lalli, as an agent for Chad Winters
Issuer symbol
WST
Transactions as of
20 Feb 2026
Net transactions value
-$7,278
Form type
4
Filing time
23 Feb 2026, 17:40:19 UTC
Previous filing
19 Feb 2026
Next filing
03 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Winters Chad VP, Chief Accounting Officer 530 HERMAN O. WEST DRIVE, EXTON /s/ Louis Lalli, as an agent for Chad Winters 23 Feb 2026 0001811424

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WST Common Stock Options Exercise +89 +6.1% 1,553 20 Feb 2026 Direct F1
transaction WST Common Stock Tax liability $7,278 -30 -1.9% $241.12 1,523 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 -89 -25% $0.000000 268 20 Feb 2026 Common Stock 89 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 18, 2025, the reporting person was granted 356 restricted stock units, vesting in four equal annual installments (plus dividend equivalents) on February 20th each year.