Ecolab (ECL) 4: MacLennan David bought 138 shares of Common Stock at $N/A o… (Apr 2, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-31 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: ECOLAB INC. (ECL) CIK: 0000031462 --- Reporting Owner --- Name: MacLennan David CIK: 0001498535 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-03-31 | Code: A (Grant or award) Shares: +137.82 | Price: $0.00 Shares Owned After: 23,381.3 | Ownership: D (Direct) Footnotes: [F1] Includes 19.43 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan. [Transaction #2] Security: Common Stock Date: 2026-03-31 | Code: A (Grant or award) Shares: +48.71 | Price: $263.03 Total Value: $12,812.19 Shares Owned After: 23,430.01 | Ownership: D (Direct) --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) [Holding #2] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Includes 19.43 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 David W. MacLennan (2026-04-02)