West Pharmaceutical Services Inc (WST) Insider Ownership

Historic Insider Ownership Trends

Based on data from the past 90 days ending January 10, 2026, West Pharmaceutical Services's three largest insider shareholders are President And Ceo And Board Chair Eric Mark Green (169.67K shares), Director Patrick J Zenner (67.51K shares), Director Douglas A Michels (45.17K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Eric Mark Green President And Ceo And Board Chair 169,669 20 Feb, 2025
Patrick J Zenner 67,509 06 May, 2021
Douglas A Michels 45,171 08 May, 2025
Thomas W Hofmann 44,637 08 May, 2025
Mark A Buthman 42,861 08 May, 2025
William F Feehery 31,363 08 May, 2025
Goldman Myla Lai 19,424 08 May, 2025
David A Montecalvo Svp And Glob Ops And Supply Chain 13,731 24 Feb, 2022
Paolo Pucci 10,947 08 May, 2025
Deborah L Keller 10,657 08 May, 2025
Bernard Birkett Sr Vp And Chief Financial Officer 7,520 20 Feb, 2025
Annette F Favorite Sr. Vp & Chief Hr Officer 6,739 20 Feb, 2025
Cindy Reiss-Clark Chief Commercial Officer 5,047 20 Feb, 2025
Robert F Friel 4,682 08 May, 2025
Quintin J Lai Vp Strat & Investor Relations 4,359 22 Feb, 2024
Silji Abraham Svp And Chief Technology Officer 3,138 31 Oct, 2024
Molly Joseph 2,884 08 May, 2025
Stephen H Lockhart 2,708 08 May, 2025
Kimberly Banks Mackay Svp And Gc & Corporate Secretary 1,512 20 Feb, 2025
Chad Winters Vp And Chief Accounting Officer 1,363 20 Feb, 2025
Janet Brutschea Haugen 1,318 08 May, 2025
Charles Witherspoon Vp & Treasurer 1,295 20 Feb, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
06 May, 2025 Goldman Myla Lai Common Stock A 1,071 $0.00 19,424 D A
06 May, 2025 Thomas W Hofmann Common Stock A 1,071 $0.00 44,637 D A
06 May, 2025 Janet Brutschea Haugen Common Stock A 1,071 $0.00 1,318 D A
06 May, 2025 Mark A Buthman Common Stock A 1,071 $0.00 42,861 D A
06 May, 2025 Robert F Friel Common Stock A 1,071 $0.00 4,682 D A
06 May, 2025 Douglas A Michels Common Stock A 1,071 $0.00 45,171 D A
06 May, 2025 Deborah L Keller Common Stock A 1,071 $0.00 10,657 D A
06 May, 2025 Paolo Pucci Common Stock A 1,071 $0.00 10,947 D A
06 May, 2025 William F Feehery Common Stock A 1,071 $0.00 31,363 D A
06 May, 2025 Molly Joseph Common Stock A 1,071 $0.00 2,884 D A
06 May, 2025 Stephen H Lockhart Common Stock A 1,071 $0.00 2,708 D A
18 Feb, 2025 Eric Mark Green Common Stock D 700 $211.00 169,669 D F
18 Feb, 2025 Eric Mark Green Common Stock A 2,461 $211.00 170,369 D M
18 Feb, 2025 Annette F Favorite Common Stock A 246 $211.00 6,823 D M
18 Feb, 2025 Annette F Favorite Common Stock D 84 $211.00 6,739 D F
18 Feb, 2025 Bernard Birkett Common Stock D 238 $211.00 7,431 D F
18 Feb, 2025 Bernard Birkett - - 7,556 D
18 Feb, 2025 Bernard Birkett Common Stock D 36 $211.00 7,520 D F
18 Feb, 2025 Bernard Birkett Common Stock A 125 $211.00 7,556 D M
18 Feb, 2025 Bernard Birkett Common Stock A 779 $211.00 7,669 D M