Ecolab (ECL) 4: LARSON MICHAEL bought 131 shares at $0.00 on 2026-09-30 (Oct 2, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-30 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: ECOLAB INC. (ECL) CIK: 0000031462 --- Reporting Owner --- Name: LARSON MICHAEL CIK: 0001098825 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-09-30 | Code: A (Grant or award) Shares: +131.17 | Price: $0.00 Shares Owned After: 19,326.07 | Ownership: D (Direct) Footnotes: [F1] Includes 28.82 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan. --- Footnotes (Complete Index) --- F1: Includes 28.82 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan. --- Signature --- /s/ /s/ Corinne Lawson, as Attorney-in-Fact for Michael Larson (2026-10-02)