West Pharmaceutical Services Insider Exercises Options and Sells $2.77M in Stock

Executive Summary

On September 8, 2026, Annette F. Favorite, Senior Vice President & Chief HR Officer of West Pharmaceutical Services, Inc. ($WST), executed a series of option exercises and same-day open-market sales. In total, 8,135 shares were acquired via stock option exercises at strike prices of $83.47 and $89.64, and subsequently sold at a weighted average price of $340.81 per share, generating aggregate gross sale proceeds of approximately $2.77 million.

Transaction Breakdown

• Option Exercises (Code M):

  • 2,817 shares at an exercise price of $83.47 per share
  • 2,818 shares at an exercise price of $83.47 per share
  • 2,500 shares at an exercise price of $89.64 per share
  • Total Option Exercise Cost: $694,453.45

• Open Market Sales (Code S):

  • 8,135 total shares sold at a weighted average price of $340.81 per share
  • Total Gross Sale Proceeds: $2,772,489.35
  • Net Realized Gain (pre-tax): ~$2,078,035.90

Post-Transaction Holdings

Following the transactions, Annette Favorite directly holds 16,844.5548 shares of West Pharmaceutical Services Common Stock, alongside 7,524 remaining vested options exercisable at $89.64 expiring in February 2028.