West Pharmaceutical Services CHRO Exercises and Sells $2.67M Under 10b5-1 Plan

Executive Summary

On September 15, 2026, West Pharmaceutical Services Inc ($WST) filed a Form 4 reporting transactions by Annette F Favorite, Senior Vice President and Chief Human Resources Officer. Between September 11, 2026, and September 15, 2026, Favorite exercised stock options covering a total of 7,524 shares at an exercise price of $89.64 and sold the resulting shares in three separate tranches for total gross sales proceeds of $2,671,260.

Transaction Breakdown

• September 11, 2026: Exercised 2,500 options at $89.64; sold 2,500 shares at $345.00 ($862,500 gross value).
• September 14, 2026: Exercised 2,500 options at $89.64; sold 2,500 shares at $355.00 ($887,500 gross value).
• September 15, 2026: Exercised 2,524 options at $89.64; sold 2,524 shares at $365.00 ($921,260 gross value).

Ownership & Context

• Pre-Scheduled Trading: The transactions were executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person.
• Derivative Status: The options exercised were granted on February 20, 2018, fully vested, and set to expire on February 20, 2028. Following these transactions, the insider holds 0 options from this tranche.
• Direct Holdings: Direct common stock ownership remains steady at 21,817.8098 shares following the exercise-and-sell program.
• Market Signal: The trading activity represents routine option monetization under a 10b5-1 plan rather than an open-market liquidation of baseline equity holdings.