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34 filings · most recent first

WST Form 4 Insider Filings

Over the trailing 90 days, WST insiders sold a net $5.4M in discretionary open-market trades (1 seller), across 31 Form 4 transactions by 4 insiders.

2026-08-12Mcmahon Robert W Files West Pharmaceutical Services Wst Form 4 August 11 2026 2026-07-23Haugen Janet Brutschea Files West Pharmaceutical Services Wst Form 4 June 30 2026-05-14Campbell Shane Alden Files West Pharmaceutical Services Wst Form 4 May 12 2026 2026-05-06Pucci Paolo Files West Pharmaceutical Services Wst Form 4 May 04 2026 2026-05-06Michels Douglas A Files West Pharmaceutical Services Wst Form 4 May 04 2026 2026-05-06Lockhart Stephen H Files West Pharmaceutical Services Wst Form 4 May 04 2026 2026-05-06Lai Goldman Myla Files West Pharmaceutical Services Wst Form 4 May 04 2026 2026-05-06Keller Deborah L Files West Pharmaceutical Services Wst Form 4 May 04 2026 2026-05-06Joseph Molly Files West Pharmaceutical Services Wst Form 4 May 04 2026 2026-05-06Haugen Janet Brutschea Files West Pharmaceutical Services Wst Form 4 May 04 2026 2026-05-06Friel Robert F Files West Pharmaceutical Services Wst Form 4 May 04 2026 2026-05-06Feehery William F Files West Pharmaceutical Services Wst Form 4 May 04 2026 2026-05-06Buthman Mark A Files West Pharmaceutical Services Wst Form 4 May 04 2026 2026-04-29Favorite Annette F Files West Pharmaceutical Services Wst Form 4 April 27 2026 2026-04-29Winters Chad Files West Pharmaceutical Services Wst Form 4 April 27 2026 2026-04-24Haugen Janet Brutschea Files West Pharmaceutical Services Wst Form 4 March 31 2026-04-24Finch Norman D Jr Files West Pharmaceutical Services Wst Form 4 March 01 2026 2026-04-24Green Eric Mark Files West Pharmaceutical Services Wst Form 4 March 01 2026 2026-04-24Favorite Annette F Files West Pharmaceutical Services Wst Form 4 March 01 2026 2026-04-24Campbell Shane Alden Files West Pharmaceutical Services Wst Form 4 March 01 2026 2026-04-24Mcmahon Robert W Files West Pharmaceutical Services Wst Form 4 March 01 2026 2026-04-24Poussot Rodolphe Jean Files West Pharmaceutical Services Wst Form 4 March 01 2026-04-24Winters Chad Files West Pharmaceutical Services Wst Form 4 March 01 2026 2026-04-24Poussot Rodolphe Jean Files West Pharmaceutical Services Wst Form 4 February 20 2026-04-24Witherspoon Charles Files West Pharmaceutical Services Wst Form 4 February 20 2026-04-24Winters Chad Files West Pharmaceutical Services Wst Form 4 February 20 2026 2026-02-20Poussot Rodolphe Jean Files West Pharmaceutical Services Wst Form 4 February 18 2026-02-20Witherspoon Charles Files West Pharmaceutical Services Wst Form 4 February 17 2026-02-20Winters Chad Files West Pharmaceutical Services Wst Form 4 February 17 2026 2026-02-20Green Eric Mark Files West Pharmaceutical Services Wst Form 4 February 17 2026 2026-02-20Favorite Annette F Files West Pharmaceutical Services Wst Form 4 February 17 2026-02-13Mcmahon Robert W Files West Pharmaceutical Services Wst Form 4 February 11 2026 2026-01-26Haugen Janet Brutschea Files West Pharmaceutical Services Wst Form 4 December 2026-01-26Finch Norman D Jr Files West Pharmaceutical Services Wst Form 4 December 08 2025

Most Active Insiders (Trailing 90 Days)

Favorite Annette F · 18 txns−$4.1M Mcmahon Robert W. · 6 txns−$1.1M Haugen Janet Brutschea · 1 txn+$17K Lagarde Michel · 6 txns$0

Detected Clusters

Cluster selling: 6 insiders, $202K total, through Feb 25, 2026 — live cluster view →
Cluster selling: 8 insiders, $578K total, through Feb 24, 2026 — live cluster view →
Cluster selling: 6 insiders, $842K total, through Feb 18, 2026 — live cluster view →

WST full research: price, insiders, financials →