SEC Form 4 · Updated Daily

WST

— WEST PHARMACEUTICAL SERVICES, INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

FinancialsOwnership

Current Reporting Owners

OwnerRoleShares OwnedAs OfLast Activity
Green Eric MarkDirector · Officer175,160.6592026-02-18F
Michels Douglas ADirector46,495.552026-05-04A
BUTHMAN MARK ADirector44,308.5492026-05-04A
Feehery William FDirector32,519.3452026-05-04A
LAI GOLDMAN MYLADirector20,434.5872026-05-04A
Favorite Annette FOfficer19,344.5552026-09-08M
Pucci PaoloDirector11,854.2972026-05-04A
Keller Deborah LDirector11,560.4792026-05-04A
McMahon Robert W.Director7,020.5062026-08-11F
FRIEL ROBERT FDirector5,512.972026-05-04A
Joseph MollyDirector4,398.1872026-05-04A
Lockhart Stephen HDirector3,523.2622026-05-04A
HAUGEN JANET BRUTSCHEADirector2,372.7522026-05-04A
Winters ChadOfficer1,522.812026-04-27S
Witherspoon CharlesOfficer1,407.8972026-02-20F
Campbell Shane AldenOfficer612.7962026-05-12F
Poussot Rodolphe JeanOfficer561.2352026-02-20F

Recent Filings

DateOwnerActivitySharesPriceOwned After
2026-09-08Lagarde MichelGrant / award (derivative)3,600$0.003,600
2026-09-08Lagarde MichelGrant / award (derivative)4,950$0.004,950
2026-09-08Lagarde MichelGrant / award (derivative)6,200$0.006,200
2026-09-08Lagarde MichelGrant / award (derivative)12,088$0.0012,088
2026-09-08Lagarde MichelGrant / award (derivative)11,081$0.0011,081
2026-09-08Lagarde MichelGrant / award (derivative)13,879$0.0013,879
2026-09-08Favorite Annette FOption exercise (derivative)2,500$0.007,524
2026-09-08Favorite Annette FOption exercise (derivative)2,818$0.000
2026-09-08Favorite Annette FOption exercise (derivative)2,817$0.002,818
2026-09-08Favorite Annette FOption exercise2,500$89.6419,344.555
2026-09-08Favorite Annette FOption exercise2,818$83.4719,662.555
2026-09-08Favorite Annette FOpen-market sale2,817$340.8116,844.555
2026-09-08Favorite Annette FOption exercise2,817$83.4719,661.555
2026-08-11McMahon Robert W.Option exercise (derivative)794.469$0.002,383.4
2026-08-11McMahon Robert W.Option exercise (derivative)6,354.736$0.002,118.579
2026-08-11McMahon Robert W.Tax withholding2,763.675$351.377,020.506
2026-08-11McMahon Robert W.Option exercise6,354.736—9,784.181
2026-08-11McMahon Robert W.Tax withholding345.515$351.373,429.445
2026-08-11McMahon Robert W.Option exercise794.469—3,774.96
2026-06-30HAUGEN JANET BRUTSCHEAGrant / award (derivative)46$359.00306.678
2026-05-12Campbell Shane AldenOption exercise (derivative)473.593$0.001,417.407
2026-05-12Campbell Shane AldenOption exercise (derivative)295.995$0.00886.005
2026-05-12Campbell Shane AldenTax withholding134.927$312.07612.796
2026-05-12Campbell Shane AldenOption exercise473.593—747.723
2026-05-12Campbell Shane AldenTax withholding84.329$312.07274.13
2026-05-12Campbell Shane AldenOption exercise295.995—358.459
2026-05-04BUTHMAN MARK AGrant / award791$0.0044,308.549
2026-05-04Feehery William FGrant / award791$0.0032,519.345
2026-05-04FRIEL ROBERT FGrant / award791$0.005,512.97
2026-05-04HAUGEN JANET BRUTSCHEAGrant / award791$0.002,372.752
2026-05-04Joseph MollyGrant / award791$0.004,398.187
2026-05-04Keller Deborah LGrant / award791$0.0011,560.479
2026-05-04LAI GOLDMAN MYLAGrant / award791$0.0020,434.587
2026-05-04Lockhart Stephen HGrant / award791$0.003,523.262
2026-05-04Michels Douglas AGrant / award791$0.0046,495.55
2026-05-04Pucci PaoloGrant / award791$0.0011,854.297
2026-04-27Winters ChadOption exercise (derivative)896$0.000
2026-04-27Winters ChadOpen-market sale896$300.671,522.81
2026-04-27Winters ChadOption exercise896$173.222,418.81
2026-04-27Favorite Annette FOption exercise (derivative)2,817$0.005,635

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.