Insiders · WST

Eric Mark Green

President, CEO and Board Chair, Director at West Pharmaceutical Services Inc (WST)

Eric Mark Green has filed 44 insider reports with the SEC since February 2021, as director at Ecolab Inc. (ECL) and president, CEO and Board Chair and director at West Pharmaceutical Services Inc (WST). In the last 12 months Eric Mark Green bought $1.02M of stock on the open market. The latest filing, on October 2, 2026, reports grant or award at Ecolab Inc. (ECL).

Filings
44
Companies
2
Bought on market
$1.02M
Sold on market
$139M

Companies where Eric Mark Green is an insider

CompanyRoleShares heldBoughtSoldAvg buyPrice nowLast filing
Ecolab Inc. logo
ECL
Ecolab Inc.
Directorsince December 20228,234$1.02M$276.64$306.03+11%Oct 2, 2026
West Pharmaceutical Services Inc logo
WST
West Pharmaceutical Services Inc
President, CEO and Board Chair, Director175,161$139M$412.55Mar 3, 2026

Shares held: common shares owned directly after the latest filing that states it. Avg buy: open-market purchase dollars divided by shares bought, every filing on record. Price now: the latest daily close, against the average buy price.

Every filing

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Questions about Eric Mark Green

What is Eric Mark Green's role at West Pharmaceutical Services Inc?
Eric Mark Green reports to the SEC as president, CEO and Board Chair and director at West Pharmaceutical Services Inc (WST), according to the latest filing on March 3, 2026. Eric Mark Green has also filed as director at Ecolab Inc. (ECL).
How many shares does Eric Mark Green own?
After the latest filing that states it, Eric Mark Green directly owned 8,234 shares of Ecolab Inc. (ECL) and 175,161 shares of West Pharmaceutical Services Inc (WST). Shares held through trusts, funds or family members are reported separately and are not counted here.
Has Eric Mark Green bought or sold stock recently?
The most recent open-market purchase was on September 11, 2026: bought 3,690 shares of Ecolab Inc. (ECL) for $1.02M at an average of $276.64. The most recent open-market sale was on August 6, 2024: sold 30,732 shares of West Pharmaceutical Services Inc (WST) for $9.36M at an average of $304.71.
How do I get alerts when Eric Mark Green files?
Follow Eric Mark Green on Quantisnow and you get an email, and a phone notification on Plus, within minutes of each new Form 4 or Form 5, and of each Form 144 notice of a planned sale. Eric Mark Green filed 2 times in the last 90 days.

From SEC Forms 3, 4, 5 and 144 filed by Eric Mark Green (SEC CIK 0001336007). Totals count each trade once, skipping amendments whose original is on file, from Feb 24, 2021 on. View on SEC EDGAR