Ecolab Inc.

ECL·NYSE·$254.23Share Price as of 11/2·$72BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/29/26 10-QQ2 ended 06/30/2608/06/26 10-QQ1 ended 03/31/2605/07/26 10-KFY 202502/23/26 10-QQ3 ended 09/30/2510/30/25

Disclosures

8-KCurrent report10/27/26 8-KResults of Operations07/28/26 8-KOther Events05/29/26 8-KChange in Directors or Officers; Shareholder Vote Results05/11/26 8-KResults of Operations04/28/26

Prospectuses and Registrations

424B5Prospectus supplement05/20/26 424B5Prospectus supplement05/19/26 FWPFree writing prospectus05/19/26 S-3ASRAutomatic shelf registration02/23/26 424B2Prospectus for primary offering08/19/25

Proxies

DEF 14ADefinitive proxy03/20/26 DEFA14AAdditional proxy materials03/20/26 DEF 14ADefinitive proxy03/24/25 DEFA14AAdditional proxy materials03/24/25 PRE 14APreliminary proxy03/14/25

Ownership

Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26

Other

11-KEmployee stock purchase plan report06/25/26 11-KEmployee stock purchase plan report06/25/26 SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders03/20/26 25-NSERemoval from listing07/08/25