Ecolab SVP & Corporate Controller Acquires Shares via RSU Vesting

Executive Summary

On November 4, 2026, Ecolab Inc. ($ECL) filed a Form 4 disclosing transactions by Bryce L. Mewhorter, SVP & Corporate Controller. On November 2, 2026, 2,948 Restricted Stock Units (RSUs) vested into Common Stock on a one-for-one basis. Simultaneously, 1,344.289 shares were surrendered to the issuer to satisfy statutory tax withholding requirements, leaving a net addition of 1,603.711 common shares.

Transaction Breakdown

• RSU Conversion (Code M): Acquired 2,948 shares of Common Stock upon 100% vesting of a three-year grant originally awarded on November 2, 2023.
• Tax Withholding (Code F): Disposed of 1,344.289 shares at $0.00 per share to cover minimum statutory tax obligations incident to the vesting event.
• Post-Transaction Holdings: Direct ownership stands at 3,054.734 shares of Common Stock. In addition, the reporting person holds an indirect interest in 293.552 units in the Ecolab Savings Plan (401(k) Plan), equivalent to approximately 538 shares.

Market & Trading Significance

This filing carries Low trading significance as it represents standard equity compensation vesting and related automatic tax withholding rather than an open-market discretionary purchase or sale.