West Pharmaceutical Services, Inc. (WST) Insider Trading
Over the last 3 months, WST insiders made 0 open-market buys and 2 sales, a net sale of -$1.1M (SEC Form 4). Over the last 6 months, 581 institutions increased and 586 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
2
Net (3m)
-$1.1M
Insider trades by month Buys Sells
Mar
May
Jun
Aug
Oct
Apr
Context3-month price +27.9%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 14, 2026 | Campbell Shane Aldenofficer: SVP, Proprietary Segment | Option | 474 | — |
| May 14, 2026 | Campbell Shane Aldenofficer: SVP, Proprietary Segment | Tax | 135 | $312.07 |
| May 14, 2026 | Campbell Shane Aldenofficer: SVP, Proprietary Segment | Option | 296 | — |
| May 14, 2026 | Campbell Shane Aldenofficer: SVP, Proprietary Segment | Tax | 84 | $312.07 |
| May 6, 2026 | Feehery William Fdirector | Grant | 791 | — |
| May 6, 2026 | Michels Douglas Adirector | Grant | 791 | — |
| May 6, 2026 | Pucci Paolodirector | Grant | 791 | — |
| May 6, 2026 | Joseph Mollydirector | Grant | 791 | — |
| May 6, 2026 | Keller Deborah Ldirector | Grant | 791 | — |
| May 6, 2026 | BUTHMAN MARK Adirector | Grant | 791 | — |
| May 6, 2026 | FRIEL ROBERT Fdirector | Grant | 791 | — |
| May 6, 2026 | Lockhart Stephen Hdirector | Grant | 791 | — |
| May 6, 2026 | HAUGEN JANET BRUTSCHEAdirector | Grant | 791 | — |
| May 6, 2026 | LAI GOLDMAN MYLAdirector | Grant | 791 | — |
| Apr 29, 2026 | Favorite Annette Fofficer: Sr. VP & Chief HR Officer | Sell | 2,817 | $305.20 |
| Apr 29, 2026 | Winters Chadofficer: VP, Chief Accounting Officer | Sell | 896 | $300.67 |
| Apr 29, 2026 | Winters Chadofficer: VP, Chief Accounting Officer | Option | 896 | $173.22 |
| Apr 29, 2026 | Favorite Annette Fofficer: Sr. VP & Chief HR Officer | Option | 2,817 | $83.47 |
| Feb 23, 2026 | Winters Chadofficer: VP, Chief Accounting Officer | Option | 89 | — |
| Feb 23, 2026 | Winters Chadofficer: VP, Chief Accounting Officer | Tax | 30 | $241.12 |
| Feb 23, 2026 | Poussot Rodolphe Jeanofficer: SVP, Strategy & Corporate Dev | Option | 383 | — |
| Feb 23, 2026 | Poussot Rodolphe Jeanofficer: SVP, Strategy & Corporate Dev | Tax | 130 | $241.12 |
| Feb 23, 2026 | Witherspoon Charlesofficer: VP & Treasurer | Option | 60 | — |
| Feb 23, 2026 | Witherspoon Charlesofficer: VP & Treasurer | Tax | 22 | $241.12 |
| Feb 19, 2026 | Witherspoon Charlesofficer: VP & Treasurer | Grant | 116 | — |
| Feb 19, 2026 | Green Eric Markdirector, officer: President, CEO and Board Chair | Option | 1,319 | — |
| Feb 19, 2026 | Favorite Annette Fofficer: Sr. VP & Chief HR Officer | Option | 135 | — |
| Feb 19, 2026 | Green Eric Markdirector, officer: President, CEO and Board Chair | Tax | 1,305 | $243.19 |
| Feb 19, 2026 | Favorite Annette Fofficer: Sr. VP & Chief HR Officer | Tax | 36 | $248.26 |
| Feb 19, 2026 | Winters Chadofficer: VP, Chief Accounting Officer | Tax | 51 | $243.19 |
Source: WST SEC Form 4 filings, latest May 14, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their WST positions over the last 6 months (SEC Form 13F).
Increased
581
New positions
179
Reduced
586
Sold out
186
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Reduced | 9.5M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 6.8M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 6.6M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 4.7M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.1M | May 8, 2026 |
| STATE STREET CORP | Increased | 3.3M | May 15, 2026 |
| STATE STREET CORP | Increased | 3.3M | Feb 13, 2026 |
| ARTISAN PARTNERS LIMITED PARTNERSHIP | Increased | 2.9M | Feb 17, 2026 |
| BANK OF NEW YORK MELLON CORP | Reduced | 2.7M | Feb 10, 2026 |
| ARTISAN PARTNERS LIMITED PARTNERSHIP | Reduced | 2.7M | May 13, 2026 |
| BANK OF NEW YORK MELLON CORP | Reduced | 2.5M | May 5, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 2.3M | May 15, 2026 |
| GENERATION INVESTMENT MANAGEMENT LLP | Increased | 2.2M | May 14, 2026 |
| BROWN ADVISORY INC | Reduced | 1.9M | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.9M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.