Cook Gregory B 4
4 · ECOLAB INC. · Filed Feb 27, 2026
Research Summary
AI-generated summary of this filing
Ecolab EVP Gregory B. Cook Exercises Options and Sells Shares
What Happened
Gregory B. Cook, EVP & President — Institutional Group at Ecolab (ECL), exercised stock options to acquire 3,800 shares at an exercise price of $137.09 (cost $520,931) on Feb 26, 2026. On the same day he sold 3,519 shares in an open-market transaction at $304.25 per share, generating proceeds of $1,070,656. The filing also shows a related conversion/disposition of 3,800 derivative shares at $0, consistent with the option exercise/settlement entries reported.
Key Details
- Transaction date: 2026-02-26 (Form 4 filed 2026-02-27, within the typical 2-business-day window).
- Option exercise: 3,800 shares acquired at $137.09 — total cash paid $520,931 (transaction code M).
- Open-market sale: 3,519 shares sold at $304.25 — proceeds $1,070,656 (transaction code S).
- Additional derivative entry: 3,800 shares listed as disposed at $0 (reported as a derivative conversion).
- Ownership reported (footnote): 3,556.129 units in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k)) as of Jan 31, 2026 — approximately 6,519 shares equivalent. (Footnote F1.)
- Option background (footnote F2): The option was granted under the Ecolab 2010 Stock Incentive Plan with a three‑year graded vesting schedule; the filing notes the first vesting date shown.
- No 10b5-1 plan or late-filing flag is indicated in the provided data.
Context
When insiders exercise options and sell shares on the same day, it often reflects cashing out gains or covering exercise/tax costs (a cashless exercise or related settlement). This filing documents both an exercise (a purchase of shares via options) and an immediate partial sale; it is a routine corporate insider transaction and should not be taken alone as a signal of company prospects.
Insider Transaction Report
- Exercise/Conversion
Common Stock
2026-02-26$137.09/sh+3,800$520,931→ 15,192.394 total - Sale
Common Stock
2026-02-26$304.25/sh−3,519$1,070,656→ 11,673.394 total - Exercise/Conversion
Employee Stock Option (Right to Buy)
[F2]2026-02-26−3,800→ 0 totalExercise: $137.09From: 2018-12-06Exp: 2027-12-06→ Common Stock (3,800 underlying)
- 3,556.129(indirect: By Ecolab Savings Plan)
Common Stock
[F1]
Footnotes (2)
- [F1]Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of January 31, 2026. (The 3,556.129 UNITS are the equivalent of approximately 6,519 SHARES of the issuer's Common Stock.)
- [F2]Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option became exercisable, on a cumulative basis, as to one-third of the option shares (excluding any fractional portion less than one share), on each of the first and second anniversaries of the date of grant and as to the remaining shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column is the first anniversary of the date of grant.