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West Pharmaceutical Services Inc

WST
Exchange
NYSE
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0000105770

In the last 90 days, West Pharmaceutical Services Inc insiders filed 0 open-market purchases and 2 sales; 833 institutions reported holding it in 13F filings for Q2 2026, worth $25.3B in total; Gates Foundation Trust is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by West Pharmaceutical Services Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
2 filings
1 insider, $5.44M in total
Insiders trading
1
Net value
−$5.44M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for West Pharmaceutical Services Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for West Pharmaceutical Services Inc
NameTitleLast reported holdingLast filingFilings, past year
Favorite Annette FSr. VP & Chief HR Officer21,818Sep 15, 20265
Lagarde MichelPresident and CEO–Sep 10, 20261
McMahon Robert W.SVP & Chief Financial Officer7,021Aug 12, 20263
Haugen Janet BrutscheaDirector2,373Jul 1, 20265
Campbell Shane AldenSVP, Proprietary Segment613May 14, 20262
Lai Goldman MylaDirector20,435May 6, 20261
Buthman Mark ADirector44,309May 6, 20261
Friel Robert FDirector5,513May 6, 20261
Michels Douglas ADirector46,496May 6, 20261
Keller Deborah LDirector11,560May 6, 20261
Pucci PaoloDirector11,854May 6, 20261
Feehery William FDirector32,519May 6, 20261
Joseph MollyDirector4,398May 6, 20261
Lockhart Stephen HDirector3,523May 6, 20261
Winters ChadVP, Chief Accounting Officer1,523Apr 29, 20264
Green Eric MarkPresident, CEO and Board Chair175,161Mar 3, 20262
Finch Norman D. Jr.SVP, GC & Corporate Secretary–Mar 3, 20262
Poussot Rodolphe JeanSVP, Strategy & Corporate Dev561Mar 3, 20263
Witherspoon CharlesVP & Treasurer1,408Feb 23, 20262
Hofmann Thomas WDirector44,637May 8, 20250
Birkett BernardSr VP, Chief Financial Officer7,520Feb 20, 20250
MacKay Kimberly BanksSVP, GC & Corporate Secretary1,512Feb 20, 20250
Reiss-Clark CindyChief Commercial Officer5,047Feb 20, 20250
Abraham SiljiSVP, Chief Technology Officer3,138Oct 31, 20240
Lai Quintin JVP Strat & Investor Relations4,359Feb 22, 20240
Zenner Patrick JDirector55,682Apr 1, 20220
Montecalvo David ASVP, Glob Ops and Supply Chain13,731Feb 24, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 15, 2026 (view filing)4:37 PM ETSep 11-154 daysFavorite Annette FSr. VP & Chief HR OfficerSSale−7.52K$355.03−$2.67M−25.6%21.8K after3 lots10b5-1
Sep 10, 2026 (view filing)5:36 PM ETSep 82 daysFavorite Annette FSr. VP & Chief HR OfficerSSale−8.13K$340.81−$2.77M−32.6%16.8K after3 lots
Apr 29, 2026 (view filing)Apr 272 daysFavorite Annette FSr. VP & Chief HR OfficerSSale−2.82K$305.20−$859.7K−14.3%16.8K after
Apr 29, 2026 (view filing)Apr 272 daysWinters ChadVP, Chief Accounting OfficerSSale−896$300.67−$269.4K−37.0%1.52K after
Oct 31, 2024 (view filing)Oct 292 daysWitherspoon CharlesVP & TreasurerSSale−703$310.40−$218.2K−35.9%1.25K after2 lots
Aug 21, 2024 (view filing)Aug 192 daysWitherspoon CharlesVP & TreasurerSSale−1.03K$300.00−$308.7K−41.0%1.48K after2 lots
Aug 21, 2024 (view filing)May 10103 daysLateHofmann Thomas WDirectorSSale−617$365.92−$225.8K−1.4%43.6K after
Aug 8, 2024 (view filing)Aug 62 daysGreen Eric MarkPresident, CEO and Board ChairSSale−30.7K$304.71−$9.36M−16.0%161.9K after10b5-1
Aug 8, 2024 (view filing)May 793 daysGreen Eric MarkPresident, CEO and Board ChairSSale−66.0K$366.65−$24.2M−30.1%152.9K afterAmended3 lots10b5-1
Jun 13, 2024 (view filing)Jun 121 dayAbraham SiljiSVP, Chief Technology OfficerSSale−1.80K$330.78−$595.4K−38.6%2.86K after
Mar 12, 2024 (view filing)Mar 111 dayWinters ChadVP, Chief Accounting OfficerSSale−815$358.82−$292.4K−38.4%1.31K after
Mar 1, 2024 (view filing)Feb 282 daysWitherspoon CharlesVP & TreasurerSSale−2.02K$358.62−$724.1K−50.5%1.98K after
Feb 29, 2024 (view filing)Feb 272 daysGreen Eric MarkPresident, CEO and Board ChairSSale−64.1K$359.85−$23.1M−29.5%152.9K after10b5-1
Feb 27, 2024 (view filing)Feb 234 daysAbraham SiljiSVP, Chief Technology OfficerSSale−7.01K$365.00−$2.56M−60.1%4.66K after
Dec 21, 2023 (view filing)Dec 417 daysWinters ChadVP, Chief Accounting OfficerSSale−1.01K$349.00−$353.5K−44.4%1.27K afterAmended
Nov 2, 2023 (view filing)Oct 312 daysWitherspoon CharlesVP & TreasurerSSale−1.19K$322.37−$383.6K−39.3%1.84K after2 lots
Sep 1, 2023 (view filing)Aug 302 daysFavorite Annette FSr. VP & Chief HR OfficerSSale−2.00K$414.64−$829.3K−11.9%14.9K after2 lots
Aug 24, 2023 (view filing)Aug 222 daysReiss-Clark CindyChief Commercial OfficerSSale−3.48K$393.34−$1.37M−44.6%4.32K after
Aug 15, 2023 (view filing)Aug 114 daysLai Quintin JVP Strat & Investor RelationsSSale−21.1K$395.12−$8.34M−53.5%18.3K after3 lots
Aug 11, 2023 (view filing)Aug 92 daysWitherspoon CharlesVP & TreasurerSSale−1.68K$396.54−$666.2K−47.9%1.83K after
Aug 10, 2023 (view filing)Aug 82 daysAbraham SiljiSVP, Chief Technology OfficerSSale−8.16K$397.18−$3.24M−66.0%4.21K after2 lots
Aug 10, 2023 (view filing)Aug 82 daysGreen Eric MarkPresident & CEOSSale−44.0K$394.77−$17.4M−23.8%140.6K after9 lots10b5-1
Aug 8, 2023 (view filing)Aug 26 daysLateBirkett BernardSr VP, Chief Fin & Ops OffSSale−22.3K$370.39−$8.27M−83.6%4.37K after2 lots
May 31, 2023 (view filing)May 301 dayWitherspoon CharlesVP & TreasurerSSale−1.00K$343.05−$343.1K−35.3%1.83K after
May 11, 2023 (view filing)May 92 daysGreen Eric MarkPresident & CEOSSale−44.0K$363.11−$16.0M−24.6%134.6K after5 lots
May 2, 2023 (view filing)May 11 dayHofmann Thomas WDirectorSSale−1.21K$365.58−$443.1K−2.7%43.6K after
May 2, 2023 (view filing)May 11 dayAbraham SiljiSVP, Chief Technology OfficerSSale−8.02K$365.60−$2.93M−65.6%4.21K after2 lots
May 2, 2023 (view filing)May 11 dayFavorite Annette FSr. VP & Chief HR OfficerSSale−13.0K$365.81−$4.76M−46.7%14.9K after3 lots
Mar 22, 2023 (view filing)Mar 913 daysLateAbraham SiljiSVP, Chief Technology OfficerSSale−1.50K$322.57−$483.9K−26.3%4.21K after
Mar 9, 2023 (view filing)Mar 72 daysGreen Eric MarkPresident & CEOSSale−44.0K$322.35−$14.2M−25.5%128.6K after5 lots
Dec 8, 2022 (view filing)Dec 53 daysLateGreen Eric MarkPresident & CEOSSale−44.0K$238.99−$10.5M−27.7%114.9K after6 lots
Aug 3, 2022 (view filing)Aug 21 dayBirkett BernardSr VP, CFO & COOSSale−14.2K$341.20−$4.84M−94.7%795 after4 lots
Aug 3, 2022 (view filing)Aug 12 daysAbraham SiljiChief Digital & Trans OfficerSSale−5.37K$343.93−$1.85M−62.7%3.20K after
Mar 16, 2022 (view filing)Mar 142 daysLai Quintin JVP Corp Development & StrategySSale−8.02K$371.69−$2.98M−59.9%5.37K after8 lots
Sep 14, 2021 (view filing)Sep 104 daysLai Quintin JVP Corp Development & StrategySSale−9.67K$460.76−$4.46M−81.2%2.23K after3 lots