| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| McMahon Robert W. | SVP & Chief Financial Officer | 530 HERMAN O. WEST DRIVE, EXTON | /s/ Louis Lalli, as an agent for Robert W. McMahon | 12 Feb 2026 | 0001608730 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WST | Common Stock | Options Exercise | +4,231 | 4,231 | 11 Feb 2026 | Direct | F1 | |||
| transaction | WST | Common Stock | Tax liability | $307,708 | -1,250 | -30% | $246.16 | 2,980 | 11 Feb 2026 | Direct |
| 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 | -4,231 | -33% | $0.000000 | 8,462 | 11 Feb 2026 | Common Stock | 4,231 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Restricted stock units convert into common stock on a one-for-one basis. |
| F2 | On August 11, 2025, the reporting person was granted 12,670 restricted stock units, vesting in three installments - 4,223 shares (plus dividend equivalents) to vest six months from the grant date, 6,335 shares (plus dividend equivalents) to vest 12 months from the grant date and 2,112 shares (plus dividend equivalents) to vest 24 months from the grant date. |