How many insider trades does FilingIQ track for WST?

FilingIQ tracks 724 Form 4 insider transactions for WST (WEST PHARMACEUTICAL SERVICES INC), covering filings from Feb 28, 2014 onwards. 63 of those were filed in the last 90 days.

Are WST insiders net buyers or net sellers?

Across the full Form 4 history for WST, 6 transactions (1%) were open-market purchases and 153 (21%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does WST insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is WST in?

WEST PHARMACEUTICAL SERVICES INC (WST) is classified in the Healthcare sector, specifically Medical Instruments & Supplies, with a current market capitalisation of $17.76B.

WST insider trading

NYSE Healthcare

WEST PHARMACEUTICAL SERVICES INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

724

Last 90 days

Buys / sells

1% / 21%

Market cap

$17.76B

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 solutions for the needs of injectable drug applications, as well as administration systems that enhance the safe delivery of drugs through advanced reconstitution, mixing, and transfer technologies; and films, coatings, washing, and vision inspection and sterilization processes and services to enhance the quality of packaging products. This segment also provides drug containment solutions in the form of vials, syringes, and cartridges; and self-injection devices; and a range of integrated solutions, including analytical lab services, pre-approval primary packaging support and engineering development, regulatory expertise, and after-sales technical support. This segment serves biologic, generic, and pharmaceutical drug companies. The Contract-Manufactured Products segment is involved in the design, manufacture, and automated assembly of devices used in surgical, diagnostic, ophthalmic, injectable, and other drug delivery systems, as well as consumer products. This segment primarily serves pharmaceutical, diagnostic, and medical device companies. It sells and distributes its products through its sales force and distribution network, contract sales agents, and regional distributors. West Pharmaceutical Services, Inc. was founded in 1923 and is headquartered in Exton, Pennsylvania.

Company website: www.westpharma.com

WST insider activity at a glance

FilingIQ has scored 724 insider transactions for WST since Feb 28, 2014. The most recent filing in our index is dated May 12, 2026.

Across the full history, 6 open-market purchases and 153 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on WST insider trades is 64.5/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live WST trades on FilingIQ Raw filings on SEC EDGAR

Latest WST Form 4 filings

Green Eric Mark President, CEO and Board Chair

S May 7, 2024

Abraham Silji SVP, Chief Technology Officer

S Feb 23, 2024

Abraham Silji SVP, Chief Technology Officer

S Aug 8, 2023

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Top insiders trading WST

Winters Chad

10 trades · score 70.0

Favorite Annette F

10 trades · score 69.0

Frequently asked

How many insider trades does FilingIQ track for WST?: FilingIQ tracks 724 Form 4 insider transactions for WST (WEST PHARMACEUTICAL SERVICES INC), covering filings from Feb 28, 2014 onwards. 63 of those were filed in the last 90 days.
Are WST insiders net buyers or net sellers?: Across the full Form 4 history for WST, 6 transactions (1%) were open-market purchases and 153 (21%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does WST insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is WST in?: WEST PHARMACEUTICAL SERVICES INC (WST) is classified in the Healthcare sector, specifically Medical Instruments & Supplies, with a current market capitalisation of $17.76B.

Methodology & sources

Every WST insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.