Ecolab Inc. reported an insider ownership update for John J. Zillmer involving the company’s common stock. The Form 4 was filed July 2, 2026, and reports activity dated June 30, 2026. The filing indicates that Zillmer’s reported holdings include 43.39 shares acquired through the dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan. The acquisition appears to be a plan-related reinvestment rather than an open-market purchase. The document does not provide a transaction price, transaction code, or a full post-transaction ownership total in the text provided. It also does not describe any option exercise, vesting event, sale, or discretionary purchase. The key action reported is the incremental addition of 43.39 Ecolab common shares through dividend reinvestment under the director compensation plan. The filing was signed on Zillmer’s behalf by Corinne Lawson, acting as attorney-in-fact, on July 2, 2026.