WST
West Pharmaceutical Services, Inc.
NYSE · Healthcare · Medical - Instruments & Supplies · US
$339.97
−0.81%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+8.7%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 12, 2026 | McMahon Robert W. · officer: SVP & Chief Financial Officer | M-Exempt | 6,355 | $0.00 |
| Aug 12, 2026 | McMahon Robert W. · officer: SVP & Chief Financial Officer | M-Exempt | 794 | $0.00 |
| Aug 12, 2026 | McMahon Robert W. · officer: SVP & Chief Financial Officer | F-InKind | 2,764 | $351 |
| Aug 12, 2026 | McMahon Robert W. · officer: SVP & Chief Financial Officer | F-InKind | 346 | $351 |
| Jul 1, 2026 | HAUGEN JANET BRUTSCHEA · director | A-Award | 46 | $0.00 |
| May 14, 2026 | Campbell Shane Alden · officer: SVP, Proprietary Segment | F-InKind | 84 | $312 |
| May 14, 2026 | Campbell Shane Alden · officer: SVP, Proprietary Segment | M-Exempt | 474 | $0.00 |
| May 14, 2026 | Campbell Shane Alden · officer: SVP, Proprietary Segment | F-InKind | 135 | $312 |
| May 14, 2026 | Campbell Shane Alden · officer: SVP, Proprietary Segment | M-Exempt | 296 | $0.00 |
| May 6, 2026 | Pucci Paolo · director | A-Award | 791 | $0.00 |
| May 6, 2026 | HAUGEN JANET BRUTSCHEA · director | A-Award | 791 | $0.00 |
| May 6, 2026 | Keller Deborah L · director | A-Award | 791 | $0.00 |
| May 6, 2026 | LAI GOLDMAN MYLA · director | A-Award | 791 | $0.00 |
| May 6, 2026 | Joseph Molly · director | A-Award | 791 | $0.00 |
| May 6, 2026 | Lockhart Stephen H · director | A-Award | 791 | $0.00 |
| May 6, 2026 | FRIEL ROBERT F · director | A-Award | 791 | $0.00 |
| May 6, 2026 | Michels Douglas A · director | A-Award | 791 | $0.00 |
| May 6, 2026 | Feehery William F · director | A-Award | 791 | $0.00 |
| May 6, 2026 | BUTHMAN MARK A · director | A-Award | 791 | $0.00 |
| Apr 29, 2026 | Favorite Annette F · officer: Sr. VP & Chief HR Officer | M-Exempt | 2,817 | $83 |
| Apr 29, 2026 | Winters Chad · officer: VP, Chief Accounting Officer | M-Exempt | 896 | $173 |
| Apr 29, 2026 | Winters Chad · officer: VP, Chief Accounting Officer | Sale | 896 | $301 |
| Apr 29, 2026 | Favorite Annette F · officer: Sr. VP & Chief HR Officer | Sale | 2,817 | $305 |
| Feb 23, 2026 | Witherspoon Charles · officer: VP & Treasurer | F-InKind | 22 | $241 |
| Feb 23, 2026 | Winters Chad · officer: VP, Chief Accounting Officer | M-Exempt | 89 | $0.00 |
| Feb 23, 2026 | Poussot Rodolphe Jean · officer: SVP, Strategy & Corporate Dev | F-InKind | 130 | $241 |
| Feb 23, 2026 | Poussot Rodolphe Jean · officer: SVP, Strategy & Corporate Dev | M-Exempt | 383 | $0.00 |
| Feb 23, 2026 | Witherspoon Charles · officer: VP & Treasurer | M-Exempt | 60 | $0.00 |
| Feb 23, 2026 | Winters Chad · officer: VP, Chief Accounting Officer | F-InKind | 30 | $241 |
| Feb 19, 2026 | Witherspoon Charles · officer: VP & Treasurer | A-Award | 116 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 241Increased 570Reduced 546Sold out 64
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 6,836,714 | May 13, 2026 |
| BlackRock, Inc. | Reduced | 6,651,784 | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 4,683,286 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 4,613,134 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4,094,009 | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 4,015,766 | Aug 13, 2026 |
| FMR LLC | Increased | 3,574,816 | Aug 13, 2026 |
| STATE STREET CORP | Increased | 3,348,698 | Aug 7, 2026 |
| STATE STREET CORP | Increased | 3,293,778 | May 15, 2026 |
| ARTISAN PARTNERS LIMITED PARTNERSHIP | Reduced | 2,657,893 | May 13, 2026 |
| BANK OF NEW YORK MELLON CORP | Reduced | 2,465,858 | May 5, 2026 |
| Artisan Partners Limited Partnership | Reduced | 2,411,792 | Aug 13, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 2,340,403 | May 15, 2026 |
| GENERATION INVESTMENT MANAGEMENT LLP | Increased | 2,243,976 | May 14, 2026 |
| Bank of New York Mellon Corp | Reduced | 2,043,823 | Aug 6, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 12, 2026