Form 4 for WST West Pharmaceutical Services
Accepted 2026-08-12 14:56:50 ET · period of report 2026-08-11 · accession 0000105770-26-000104 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-08-12 14:56 | 2026-08-11 | WST | McMahon Robert W. | SVP, CFO | M - OptEx | — | +7,149 | 9,784 | +271% | — |
| DM | 2026-08-12 14:56 | 2026-08-11 | WST | McMahon Robert W. | SVP, CFO | F - Tax | $351.37 | -3,109 | 7,021 | -31% | -$1.09M |
| DM | 2026-08-12 14:56 | 2026-08-11 | WST | McMahon Robert W. | SVP, CFO | M - OptEx | $0.00 | -7,149 | 2,383 | -75% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-11 | M | A | 794.47 | — | 3,774.96 | D | — | — | (F1) Each restricted stock unit represents a contingent right to receive one share of WST common stock. |
| 2 | Common | Common Stock | 2026-08-11 | F | D | 345.51 | $351.37 | 3,429.45 | D | — | — | |
| 3 | Common | Common Stock | 2026-08-11 | M | A | 6,354.74 | — | 9,784.18 | D | — | — | (F1) Each restricted stock unit represents a contingent right to receive one share of WST common stock. |
| 4 | Common | Common Stock | 2026-08-11 | F | D | 2,763.68 | $351.37 | 7,020.51 | D | — | — | |
| 5 | Derivative | Rst. Stock Unit | 2026-08-11 | M | D | 6,354.74 | $0.00 | 2,118.58 | D | — · — to — | 6,354.74 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of WST common stock. (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. (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. |
| 6 | Derivative | Rst. Stock Unit | 2026-08-11 | M | D | 794.47 | $0.00 | 2,383.40 | D | — · — to — | 794.47 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of WST common stock. (F3) This award vests in four equal annual installments beginning on August 11, 2026. (F3) This award vests in four equal annual installments beginning on August 11, 2026. |