# West Pharmaceutical Services Inc (WST) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/wst

> 16 non-derivative transactions: 0 purchases, 6 sales ($5.4M). CIK 105770.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-09-15 | Favorite Annette F | Officer | S | 2524.0 | 365.0 | 21817.81 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000110/0000105770-26-000110-index.htm |
| 2026-09-15 | Favorite Annette F | Officer | M | 2524.0 | 89.64 | 24341.81 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000110/0000105770-26-000110-index.htm |
| 2026-09-14 | Favorite Annette F | Officer | M | 2500.0 | 89.64 | 24317.81 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000110/0000105770-26-000110-index.htm |
| 2026-09-14 | Favorite Annette F | Officer | S | 2500.0 | 355.0 | 21817.81 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000110/0000105770-26-000110-index.htm |
| 2026-09-11 | Favorite Annette F | Officer | M | 2500.0 | 89.64 | 24317.81 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000110/0000105770-26-000110-index.htm |
| 2026-09-11 | Favorite Annette F | Officer | S | 2500.0 | 345.0 | 21817.81 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000110/0000105770-26-000110-index.htm |
| 2026-09-08 | Favorite Annette F | Officer | S | 2818.0 | 340.81 | 16844.55 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000108/0000105770-26-000108-index.htm |
| 2026-09-08 | Favorite Annette F | Officer | S | 2500.0 | 340.81 | 16844.55 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000108/0000105770-26-000108-index.htm |
| 2026-09-08 | Favorite Annette F | Officer | M | 2500.0 | 89.64 | 19344.55 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000108/0000105770-26-000108-index.htm |
| 2026-09-08 | Favorite Annette F | Officer | M | 2817.0 | 83.47 | 19661.55 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000108/0000105770-26-000108-index.htm |
| 2026-09-08 | Favorite Annette F | Officer | S | 2817.0 | 340.81 | 16844.55 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000108/0000105770-26-000108-index.htm |
| 2026-09-08 | Favorite Annette F | Officer | M | 2818.0 | 83.47 | 19662.55 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000108/0000105770-26-000108-index.htm |
| 2026-08-11 | McMahon Robert W. | Officer | M | 794.47 |  | 3774.96 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000104/0000105770-26-000104-index.htm |
| 2026-08-11 | McMahon Robert W. | Officer | F | 2763.68 | 351.37 | 7020.51 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000104/0000105770-26-000104-index.htm |
| 2026-08-11 | McMahon Robert W. | Officer | M | 6354.74 |  | 9784.18 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000104/0000105770-26-000104-index.htm |
| 2026-08-11 | McMahon Robert W. | Officer | F | 345.52 | 351.37 | 3429.45 | https://www.sec.gov/Archives/edgar/data/105770/000010577026000104/0000105770-26-000104-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

---
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.
API: https://sec-api.dev/docs · ChatGPT app: https://chatgpt.com/plugins/plugin_asdk_app_6ae0ef2436ac8191941dae8a4d732669 · Free key: https://sec-api.dev/sign-up