NYSE:WST

West Pharmaceutical Services Stock Insider Trading

Healthcare > Medical - Instruments & Supplies

Buy WST

*Your capital is at risk

$358.48

-3.89 (-1.07%)

At Close: Jul 17, 2026

West Pharmaceutical Services Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 66.93. In total, the insiders bought 198.48M and sold 7.55M WST shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power (Last 100 transactions)	66.93
● Buy	198.48M shares
● Sell	7.55M shares
85% Buy Activity Negligible or No Correlation
Sell Signal Low Confidence Apr 27, 2026 Analysis Breakdown: Signal is highly questionable due to a strongly contradictory positive Insider Power Score of 66.93. Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date	Type	Person	Role	Amount
Apr 27, 2026 Sell	Common Stock S-Sale	Favorite Annette F Sr. Vp & Chief Hr Officer	Officer	2 817 Value: $859.8K
Apr 27, 2026 Buy	Common Stock M-Exempt	Favorite Annette F Sr. Vp & Chief Hr Officer	Officer	2 817 Value: $235.1K
Mar 31, 2026 Buy	Phantom Stock Unit A-Award	Haugen Janet Brutschea Director	Director	52 Value: $13.0K
Mar 01, 2026 Buy	Rst. Stock Unit A-Award	Winters Chad Vp, Chief Accounting Officer	Officer	340 Value: $121.9K
Mar 01, 2026 Buy	Stock Option (Right to Buy) A-Award	Winters Chad Vp, Chief Accounting Officer	Officer	808 Value: $205.5K
Mar 01, 2026 Buy	Rst. Stock Unit A-Award	Poussot Rodolphe Jean SVP, Strategy & Corporate Dev	Officer	437 Value: $156.7K
Mar 01, 2026 Buy	Stock Option (Right to Buy) A-Award	Poussot Rodolphe Jean SVP, Strategy & Corporate Dev	Officer	1 040 Value: $264.5K
Mar 01, 2026 Buy	Rst. Stock Unit A-Award	Favorite Annette F Sr. Vp & Chief Hr Officer	Officer	720 Value: $258.1K
Mar 01, 2026 Buy	Stock Option (Right to Buy) A-Award	Favorite Annette F Sr. Vp & Chief Hr Officer	Officer	1 712 Value: $435.4K
Mar 01, 2026 Buy	Stock Option (Right to Buy) A-Award	Green Eric Mark President, CEO And Board Chair	CEO / President	16 630 Value: $4.23M
Mar 01, 2026 Buy	Stock Option (Right to Buy) A-Award	Finch Norman D. Jr. SVP, GC & Corporate Secretary	Officer	3 057 Value: $777.5K
Mar 01, 2026 Buy	Stock Option (Right to Buy) A-Award	Mcmahon Robert W. SVP & Chief Financial Officer	C-Suite Officer	7 337 Value: $1.87M
Mar 01, 2026 Buy	Rst. Stock Unit A-Award	Campbell Shane Alden SVP, Proprietary Segment	Officer	1 131 Value: $405.4K
Mar 01, 2026 Buy	Stock Option (Right to Buy) A-Award	Campbell Shane Alden SVP, Proprietary Segment	Officer	2 691 Value: $684.4K
Mar 01, 2026 Buy	Rst. Stock Unit A-Award	Green Eric Mark President, CEO And Board Chair	CEO / President	6 986 Value: $2.50M
Mar 01, 2026 Buy	Rst. Stock Unit A-Award	Finch Norman D. Jr. SVP, GC & Corporate Secretary	Officer	1 285 Value: $460.6K
Mar 01, 2026 Buy	Rst. Stock Unit A-Award	Mcmahon Robert W. SVP & Chief Financial Officer	C-Suite Officer	3 082 Value: $1.10M
Feb 20, 2026 Sell	Common Stock F-InKind	Winters Chad Vp, Chief Accounting Officer	Officer	30 Value: $7K
Feb 20, 2026 Buy	Rst. Stock Unit M-Exempt	Witherspoon Charles Vp & Treasurer	Officer	60 Value: $14.5K
Feb 20, 2026 Buy	Common Stock M-Exempt	Witherspoon Charles Vp & Treasurer	Officer	60 Value: $14.5K
Feb 20, 2026 Sell	Common Stock F-InKind	Poussot Rodolphe Jean SVP, Strategy & Corporate Dev	Officer	130 Value: $31.2K
Feb 20, 2026 Buy	Rst. Stock Unit M-Exempt	Winters Chad Vp, Chief Accounting Officer	Officer	89 Value: $21.5K
Feb 20, 2026 Buy	Common Stock M-Exempt	Winters Chad Vp, Chief Accounting Officer	Officer	89 Value: $21.5K
Feb 20, 2026 Sell	Common Stock F-InKind	Witherspoon Charles Vp & Treasurer	Officer	22 Value: $5K
Feb 20, 2026 Buy	Rst. Stock Unit M-Exempt	Poussot Rodolphe Jean SVP, Strategy & Corporate Dev	Officer	383 Value: $92.4K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%^* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

ABOUT WEST PHARMACEUTICAL SERVICES INC

West Pharmaceutical Services, Inc. designs, manufactures, and sells containment and delivery systems for injectable drugs and healthcare products in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. It operates in two segments, Proprietary Products and Contract-Manufactured Products. The Proprietary Products segment offers stoppers and seals for injectable packaging systems; syringe and cartridge components, including custom so...

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