West Pharmaceutical Services Inc.

Last updated September 27, 2026

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Organization details

Legal name: West Pharmaceutical Services Inc.
Former names: West Co Inc
Ownership: Public
Status: Active
Sector (GICS): Health Care
SIC code: 3841 — Surgical & Medical Instruments & Apparatus
Jurisdiction of incorporation: Pennsylvania
Headquarters city: Exton
Headquarters state / province: Pennsylvania
Headquarters country: United States
Fiscal year end: December
Ticker symbol: WST
Primary stock exchange: NYSE

Identifiers

SEC CIK: 0000105770
EIN: 23-1210010
Wikidata ID: Q124358903

Board of directors

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Deborah L. Keller · Director
Since 2023
Douglas A. Michels · Director
Since 2023
Eric Mark Green · Director · President, CEO and Board Chair
Since 2023
Goldman Myla Lai · Director
Since 2023
Janet Brutschea Haugen · Director
Since 2024
Mark A. Buthman · Director
Since 2023
Michel Lagarde · Director · President and CEO
Since 2026
Molly Joseph · Director
Since 2023
Paolo Pucci · Director
Since 2023
Robert F. Friel · Director
Since 2023
Stephen H. Lockhart · Director
Since 2023
Thomas W. Hofmann · Director
Since 2023
William F. Feehery · Director
Since 2023

Chief executives

Michel Lagarde · President and CEO

Since August 2026

Eric Mark Green · President & CEO

Until August 2026 · Former

Director election results

Annual meeting of May 4, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

10 of this board's directors also sit on 13 other boards. 4 are in the same sector.

Shared director Other board Same sector

Bentley Systems Incorporated
via Janet Brutschea Haugen
Certara Inc.
via William F. Feehery
Ecolab Inc.
via Eric Mark Green
First Solar Inc.
via Molly Joseph
IDEX Corporation
via Mark A. Buthman
Lumexa Imaging Holdings Inc. Same sector
via Molly Joseph
Molina Healthcare Inc
via Stephen H. Lockhart
NCR Voyix Corporation
via Janet Brutschea Haugen
NRC Health Same sector
via Stephen H. Lockhart
Quanterix Corporation
via Goldman Myla Lai
Replimune Group Inc. Same sector
via Paolo Pucci
Vertex Pharmaceuticals Incorporated Same sector
via Michel Lagarde
Xylem Inc.
via Robert F. Friel

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months: $0; 0 purchases by 0 insiders
Sold, last 12 months: $6,572,898; 8 sales by 2 insiders

Date	Insider	Transaction	Shares	Price	Value
Sep 15, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Option exercise	+2,524	$89.64	$226,251
Sep 15, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Open-market sale	−2,524	$365.00	$921,260
Sep 14, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Option exercise	+2,500	$89.64	$224,100
Sep 14, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Open-market sale	−2,500	$355.00	$887,500
Sep 11, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Option exercise	+2,500	$89.64	$224,100
Sep 11, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Open-market sale	−2,500	$345.00	$862,500
Sep 8, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Option exercise	+2,817	$83.47	$235,135
Sep 8, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Open-market sale	−2,817	$340.81	$960,062
Sep 8, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Option exercise	+2,818	$83.47	$235,218
Sep 8, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Open-market sale	−2,818	$340.81	$960,403
Sep 8, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Option exercise	+2,500	$89.64	$224,100
Sep 8, 2026	Favorite Annette F Officer (Sr. VP & Chief HR Officer)	Open-market sale	−2,500	$340.81	$852,025
Aug 11, 2026	Robert W. McMahon Officer (SVP & Chief Financial Officer)	Option exercise	+794	—	—
Aug 11, 2026	Robert W. McMahon Officer (SVP & Chief Financial Officer)	Shares withheld for tax	−346	$351.37	$121,405
Aug 11, 2026	Robert W. McMahon Officer (SVP & Chief Financial Officer)	Option exercise	+6,355	—	—

Peers

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Questions about West Pharmaceutical Services Inc.

Who is the CEO of West Pharmaceutical Services Inc.?

Michel Lagarde has been West Pharmaceutical Services Inc.'s President and CEO since August 2026.

How many directors are on West Pharmaceutical Services Inc.'s board?

West Pharmaceutical Services Inc.'s board has 13 directors: Deborah L. Keller, Douglas A. Michels, Eric Mark Green, Goldman Myla Lai, Janet Brutschea Haugen, Mark A. Buthman, Michel Lagarde, Molly Joseph, Paolo Pucci, Robert F. Friel and 3 others.

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

Over the last 12 months, West Pharmaceutical Services Inc. insiders made no open-market purchases and sold $6.6 million of shares in 8 sales on the open market, as reported to the SEC on Forms 4 and 5.

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