The Filings Report

West Pharmaceutical Services, Inc. insider trading

WSTfinancial statementsForm 4 filings on EDGAR85 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at West Pharmaceutical Services, Inc. bought $0 of stock in the open market, and 1 sold $5M. Officers and directors accounted for $0 of purchases and $5M of sales. The last reported transaction was an option exercise by Favorite Annette F on September 15, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through September 15, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

WST daily priceSplit-adjusted prices in US dollars

Bought $0Sold $5MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $419.06 · H $422.08 · L $407.67 · C $412.62Bought $0 (0)Sold $0 (0)
$326$355$385$415$4452026-08-04: open $346.82, high $349.75, low $342.78, close $348.762026-08-05: open $349.26, high $354.96, low $349.00, close $351.022026-08-06: open $350.62, high $353.59, low $346.24, close $348.602026-08-07: open $348.49, high $356.00, low $347.37, close $354.072026-08-10: open $353.89, high $358.67, low $351.52, close $352.132026-08-11: open $351.05, high $354.05, low $348.12, close $351.372026-08-12: open $349.66, high $354.57, low $348.59, close $352.292026-08-13: open $353.55, high $353.55, low $346.00, close $346.162026-08-14: open $344.44, high $349.53, low $343.48, close $349.422026-08-17: open $348.00, high $350.74, low $346.43, close $346.612026-08-18: open $346.47, high $350.04, low $345.06, close $346.592026-08-19: open $348.28, high $356.36, low $348.28, close $352.792026-08-20: open $349.17, high $360.29, low $347.99, close $353.772026-08-21: open $357.87, high $359.18, low $349.70, close $353.082026-08-24: open $350.48, high $354.48, low $348.84, close $353.322026-08-25: open $353.75, high $354.78, low $348.22, close $348.482026-08-26: open $347.97, high $353.12, low $346.25, close $349.922026-08-27: open $350.00, high $352.05, low $346.08, close $346.092026-08-28: open $344.51, high $345.87, low $336.13, close $337.472026-08-31: open $336.25, high $342.59, low $335.51, close $341.112026-09-01: open $341.83, high $342.67, low $337.85, close $338.652026-09-02: open $338.85, high $346.00, low $338.85, close $342.632026-09-03: open $343.97, high $345.50, low $338.45, close $342.732026-09-04: open $339.76, high $342.67, low $339.76, close $339.972026-09-08: open $335.51, high $342.34, low $334.04, close $337.752026-09-09: open $337.63, high $340.48, low $336.10, close $336.942026-09-10: open $333.57, high $344.92, low $331.99, close $344.252026-09-11: open $343.87, high $351.96, low $341.68, close $346.232026-09-14: open $349.94, high $356.61, low $345.15, close $355.202026-09-15: open $355.02, high $370.67, low $354.65, close $365.002026-09-16: open $363.11, high $367.33, low $361.06, close $362.012026-09-17: open $366.20, high $368.80, low $363.14, close $366.602026-09-18: open $366.59, high $366.86, low $359.52, close $362.312026-09-21: open $363.78, high $366.12, low $361.05, close $361.782026-09-22: open $367.42, high $375.40, low $365.26, close $371.092026-09-23: open $370.93, high $376.06, low $368.20, close $375.872026-09-24: open $378.67, high $382.71, low $370.71, close $373.602026-09-25: open $372.01, high $372.14, low $368.45, close $370.442026-09-28: open $366.55, high $378.47, low $366.55, close $375.652026-09-29: open $375.51, high $377.78, low $370.80, close $376.632026-09-30: open $375.35, high $376.19, low $370.13, close $370.762026-10-01: open $367.52, high $370.25, low $363.12, close $365.012026-10-02: open $364.74, high $368.85, low $363.26, close $364.982026-10-05: open $364.69, high $377.06, low $363.16, close $376.762026-10-06: open $379.02, high $381.16, low $367.64, close $372.642026-10-07: open $371.66, high $374.79, low $365.35, close $366.482026-10-08: open $365.65, high $367.25, low $359.49, close $363.272026-10-09: open $363.31, high $370.20, low $362.18, close $366.002026-10-12: open $366.72, high $371.76, low $363.10, close $367.602026-10-13: open $369.54, high $378.84, low $367.50, close $371.822026-10-14: open $372.21, high $379.21, low $372.21, close $374.652026-10-15: open $377.00, high $384.40, low $376.10, close $383.022026-10-16: open $382.74, high $386.26, low $380.28, close $384.022026-10-19: open $383.78, high $387.01, low $383.20, close $383.912026-10-20: open $387.54, high $389.75, low $384.21, close $388.782026-10-21: open $381.98, high $396.00, low $381.98, close $393.482026-10-22: open $394.15, high $397.16, low $389.17, close $394.032026-10-23: open $391.60, high $394.18, low $389.72, close $392.152026-10-26: open $389.80, high $395.28, low $388.06, close $394.732026-10-27: open $392.90, high $398.67, low $391.78, close $398.292026-10-28: open $396.95, high $404.99, low $396.83, close $403.642026-10-29: open $420.69, high $438.27, low $415.32, close $416.672026-10-30: open $419.06, high $422.08, low $407.67, close $412.62Insider purchases / sales · USD$5M$0−$5M2026-09-08: 0 purchases ($0), 3 sales ($3M)2026-09-11: 0 purchases ($0), 1 sales ($863K)2026-09-14: 0 purchases ($0), 1 sales ($888K)2026-09-15: 0 purchases ($0), 1 sales ($921K)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

85 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Sep 15, 2026Favorite Annette FSr. VP & Chief HR Officeroption exercise2,524$89.64$226K24,342Sep 15, 2026
Sep 15, 2026Favorite Annette FSr. VP & Chief HR Officeropen-market sale10b5-12,524$365.00$921K21,818Sep 15, 2026
Sep 14, 2026Favorite Annette FSr. VP & Chief HR Officeroption exercise2,500$89.64$224K24,318Sep 15, 2026
Sep 14, 2026Favorite Annette FSr. VP & Chief HR Officeropen-market sale10b5-12,500$355.00$888K21,818Sep 15, 2026
Sep 11, 2026Favorite Annette FSr. VP & Chief HR Officeroption exercise2,500$89.64$224K24,318Sep 15, 2026
Sep 11, 2026Favorite Annette FSr. VP & Chief HR Officeropen-market sale10b5-12,500$345.00$863K21,818Sep 15, 2026
Sep 8, 2026Favorite Annette FSr. VP & Chief HR Officeroption exercise2,817$83.47$235K19,662Sep 10, 2026
Sep 8, 2026Favorite Annette FSr. VP & Chief HR Officeropen-market sale2,817$340.81$960K16,845Sep 10, 2026
Sep 8, 2026Favorite Annette FSr. VP & Chief HR Officeroption exercise2,818$83.47$235K19,663Sep 10, 2026
Sep 8, 2026Favorite Annette FSr. VP & Chief HR Officeropen-market sale2,818$340.81$960K16,845Sep 10, 2026
Sep 8, 2026Favorite Annette FSr. VP & Chief HR Officeroption exercise2,500$89.64$224K19,345Sep 10, 2026
Sep 8, 2026Favorite Annette FSr. VP & Chief HR Officeropen-market sale2,500$340.81$852K16,845Sep 10, 2026
Aug 11, 2026McMahon Robert W.SVP & Chief Financial Officeroption exercise794——3,775Aug 12, 2026
Aug 11, 2026McMahon Robert W.SVP & Chief Financial Officertax withholding346$351.37$121K3,429Aug 12, 2026
Aug 11, 2026McMahon Robert W.SVP & Chief Financial Officeroption exercise6,355——9,784Aug 12, 2026
Aug 11, 2026McMahon Robert W.SVP & Chief Financial Officertax withholding2,764$351.37$971K7,021Aug 12, 2026
May 12, 2026Campbell Shane AldenSVP, Proprietary Segmentoption exercise296——358May 14, 2026
May 12, 2026Campbell Shane AldenSVP, Proprietary Segmenttax withholding84$312.07$26K274May 14, 2026
May 12, 2026Campbell Shane AldenSVP, Proprietary Segmentoption exercise474——748May 14, 2026
May 12, 2026Campbell Shane AldenSVP, Proprietary Segmenttax withholding135$312.07$42K613May 14, 2026
May 4, 2026Pucci PaoloDirectoraward791$0.00—11,854May 6, 2026
May 4, 2026Michels Douglas ADirectoraward791$0.00—46,496May 6, 2026
May 4, 2026Lockhart Stephen HDirectoraward791$0.00—3,523May 6, 2026
May 4, 2026Lai Goldman MylaDirectoraward791$0.00—20,435May 6, 2026
May 4, 2026Keller Deborah LDirectoraward791$0.00—11,560May 6, 2026
May 4, 2026Joseph MollyDirectoraward791$0.00—4,398May 6, 2026
May 4, 2026Haugen Janet BrutscheaDirectoraward791$0.00—2,373May 6, 2026
May 4, 2026Friel Robert FDirectoraward791$0.00—5,513May 6, 2026
May 4, 2026Feehery William FDirectoraward791$0.00—32,519May 6, 2026
May 4, 2026Buthman Mark ADirectoraward791$0.00—44,309May 6, 2026
Apr 27, 2026Favorite Annette FSr. VP & Chief HR Officeroption exercise2,817$83.47$235K19,645Apr 29, 2026
Apr 27, 2026Favorite Annette FSr. VP & Chief HR Officeropen-market sale2,817$305.20$860K16,828Apr 29, 2026
Apr 27, 2026Winters ChadVP, Chief Accounting Officeroption exercise896$173.22$155K2,419Apr 29, 2026
Apr 27, 2026Winters ChadVP, Chief Accounting Officeropen-market sale896$300.67$269K1,523Apr 29, 2026
Feb 20, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate Devtax withholding130$241.12$31K561Feb 23, 2026
Feb 20, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate Devoption exercise383——691Feb 23, 2026
Feb 20, 2026Witherspoon CharlesVP & Treasurertax withholding22$241.12$5K1,408Feb 23, 2026
Feb 20, 2026Witherspoon CharlesVP & Treasureroption exercise60——1,430Feb 23, 2026
Feb 20, 2026Winters ChadVP, Chief Accounting Officeroption exercise89——1,553Feb 23, 2026
Feb 20, 2026Winters ChadVP, Chief Accounting Officertax withholding30$241.12$7K1,523Feb 23, 2026
Feb 18, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate Devtax withholding28$248.26$7K307Feb 19, 2026
Feb 18, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate Devoption exercise82——335Feb 19, 2026
Feb 18, 2026Green Eric MarkPresident, CEO and Board Chair, Directoroption exercise1,319——175,734Feb 19, 2026
Feb 18, 2026Green Eric MarkPresident, CEO and Board Chair, Directortax withholding574$248.26$142K175,161Feb 19, 2026
Feb 18, 2026Favorite Annette FSr. VP & Chief HR Officeroption exercise135——17,410Feb 19, 2026
Feb 18, 2026Favorite Annette FSr. VP & Chief HR Officertax withholding36$248.26$9K17,374Feb 19, 2026
Feb 17, 2026Witherspoon CharlesVP & Treasurertax withholding42$243.19$10K1,370Feb 19, 2026
Feb 17, 2026Witherspoon CharlesVP & Treasureraward116$0.00—1,411Feb 19, 2026
Feb 17, 2026Winters ChadVP, Chief Accounting Officeraward150$0.00—1,513Feb 19, 2026
Feb 17, 2026Winters ChadVP, Chief Accounting Officertax withholding51$243.19$12K1,462Feb 19, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Favorite Annette FSr. VP & Chief HR OfficerSep 15, 2026option exercise24,342—$6M (7)3 of 7
Winters ChadVP, Chief Accounting OfficerApr 27, 2026option exercise2,419—$269K (1)0 of 1
McMahon Robert W.SVP & Chief Financial OfficerAug 11, 2026option exercise3,775———
Witherspoon CharlesVP & TreasurerFeb 20, 2026tax withholding1,408———
Green Eric MarkPresident, CEO and Board Chair, DirectorFeb 18, 2026option exercise175,734———
Campbell Shane AldenSVP, Proprietary SegmentMay 12, 2026option exercise358———
Haugen Janet BrutscheaDirectorMay 4, 2026award2,373———
Poussot Rodolphe JeanSVP, Strategy & Corporate DevFeb 20, 2026tax withholding561———
Birkett BernardSr VP, Chief Financial OfficerFeb 18, 2025tax withholding7,520———
Pucci PaoloDirectorMay 4, 2026award11,854———
Michels Douglas ADirectorMay 4, 2026award46,496———
Lockhart Stephen HDirectorMay 4, 2026award3,523———
Lai Goldman MylaDirectorMay 4, 2026award20,435———
Keller Deborah LDirectorMay 4, 2026award11,560———
Joseph MollyDirectorMay 4, 2026award4,398———
Friel Robert FDirectorMay 4, 2026award5,513———
Feehery William FDirectorMay 4, 2026award32,519———
Buthman Mark ADirectorMay 4, 2026award44,309———
Reiss-Clark CindyChief Commercial OfficerFeb 18, 2025tax withholding5,047———
MacKay Kimberly BanksSVP, GC & Corporate SecretaryFeb 18, 2025tax withholding1,512———
Hofmann Thomas WDirectorMay 6, 2025award44,637———

Questions

Are West Pharmaceutical Services, Inc. insiders buying or selling?

Over the twelve months to November 1, 2026, 2 insiders at West Pharmaceutical Services, Inc. sold $7M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $7M. Only open-market purchases and sales are counted.

Who sold the most West Pharmaceutical Services, Inc. stock in the last year?

Favorite Annette F (Sr. VP & Chief HR Officer) sold $6M in 7 open-market sales over the twelve months to November 1, 2026.

Do West Pharmaceutical Services, Inc. executives sell under 10b5-1 plans?

3 of the 8 open-market sales in the last twelve months (38%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on West Pharmaceutical Services, Inc.

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.