ECL

ECOLAB INC._February 10, 2026 0000031462false00000314622026-02-102026-02-10 ​ ​

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 ​

FORM 8-K

​

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ​ Date of Report (Date of earliest event reported) February 10, 2026 ​

ECOLAB INC.

(Exact name of registrant as specified in its charter) ​ ​

​

​

​

​

Delaware ​ 1-9328 ​ 41-0231510

(State or other jurisdiction of incorporation) ​ (Commission File No.) ​ (IRS Employer Identification No.)

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​

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1 Ecolab Place, Saint Paul, Minnesota ​ ​ ​ 55102

(Address of principal executive offices) ​ ​ ​ (Zip Code)

​ ​

​

​

Registrant’s telephone number, including area code 1-800-232-6522

​ (Not applicable) (Former name or former address, if changed since last report.) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ​ ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ​ ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ​ ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Securities registered pursuant to Section 12(b) of the Act: ​ ​ ​ ​

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Title of each class ​ Trading symbol(s) ​ Name of each exchange on which registered

Common Stock, $1.00 par value ​ ECL ​ New York Stock Exchange

​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ ​ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​

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Item 2.02 Results of Operations and Financial Condition. ​ On February 10, 2026, Ecolab Inc. (“Ecolab”) announced earnings for the fourth quarter ended December 31, 2025. A copy of the (i) News Release issued by Ecolab in connection with this report under Item 2.02 is furnished and attached as Exhibit (99.1) and (ii) Supplemental Data to be used in connection with the conference call to be held discussing the first quarter results is furnished and attached as Exhibit (99.2), each of which is incorporated by reference herein. Ecolab also will publish the attached exhibits on its website located at www.ecolab.com. ​ Item 2.05 Costs Associated with Exit or Disposal Activities. ​ On July 30, 2024, the Company announced the One Ecolab initiative, which will enhance its growth and margin expansion journey. As a program within this initiative, the Company also announced that it commenced a restructuring plan to leverage its digital technologies to realign the functional work done in many countries into global centers of excellence. On February 10, 2026, the Company announced the expansion of the One Ecolab initiative and anticipates total restructuring costs of $334 million ($261 million after tax) and special charges of $91 million ($71 million after tax) by the end of 2027. The Company anticipates that the restructuring costs will primarily be cash expenditures for severance costs relating to team realignment. ​ Cautionary Statements Regarding Forward Looking Information. ​ Statements contained in this Current Report on Form 8-K, including statements concerning Ecolab’s restructuring plan, may constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on the current expectations of management of the Company. There are a number of risks and uncertainties that could cause actual results to differ materially from the forward-looking statements included in this report. In particular, the ultimate results of any restructuring initiative depend on a number of factors, including the development of final plans, the impact of local regulatory requirements regarding employee terminations, the time necessary to develop and implement the restructuring initiatives and the level of success achieved through such actions in improving competitiveness, efficiency and effectiveness. Additional risks and uncertainties that may affect operating results and business performance are set forth under Item 1A of our most recent Form 10-K, and the Company’s other public filings with the Securities and Exchange Commission. Ecolab does not undertake, and expressly disclaims, any duty to update any forward-looking statement whether as a result of new information, future events or changes in expect

ECOLAB INC._October 28, 2025 0000031462false00000314622025-10-282025-10-28 ​ ​

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 ​

FORM 8-K

​

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ​ Date of Report (Date of earliest event reported) October 28, 2025 ​

ECOLAB INC.

(Exact name of registrant as specified in its charter) ​ ​

​

​

​

​

Delaware ​ 1-9328 ​ 41-0231510

(State or other jurisdiction of incorporation) ​ (Commission File No.) ​ (IRS Employer Identification No.)

​ ​

​

​

​

​

1 Ecolab Place, Saint Paul, Minnesota ​ ​ ​ 55102

(Address of principal executive offices) ​ ​ ​ (Zip Code)

​ ​

​

​

Registrant’s telephone number, including area code 1-800-232-6522

​ (Not applicable) (Former name or former address, if changed since last report.) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ​ ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ​ ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ​ ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Securities registered pursuant to Section 12(b) of the Act: ​ ​ ​ ​

​

​

​

​

Title of each class ​ Trading symbol(s) ​ Name of each exchange on which registered

Common Stock, $1.00 par value ​ ECL ​ New York Stock Exchange ​

​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ ​ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​

​

Item 2.02 Results of Operations and Financial Condition. ​ On October 28, 2025, Ecolab Inc. (“Ecolab”) announced earnings for the third quarter ended September 30, 2025. A copy of the (i) News Release issued by Ecolab in connection with this report under Item 2.02 is furnished and attached as Exhibit (99.1) and (ii) Supplemental Data to be used in connection with the conference call to be held discussing the first quarter results is furnished and attached as Exhibit (99.2), each of which is incorporated by reference herein. Ecolab also will publish the attached exhibits on its website located at www.ecolab.com. ​ Item 9.01 Financial Statements and Exhibits. ​ (d) Exhibits.

​ The following exhibits are furnished pursuant to Item 2.02 of Form 8-K and should not be deemed to be “filed” under the Securities Exchange Act of 1934. ​ ​ ​

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Exhibit No. ​ Description ​ Method Of Filing ​

​ ​ ​ ​ ​ ​

(99.1) ​ Ecolab Inc. News Release dated October 28, 2025. ​ Filed herewith electronically. ​

​ ​ ​ ​ ​ ​

(99.2) ​ Supplemental Data for Third Quarter dated October 28, 2025. ​ Filed herewith electronically. ​

​ ​ ​ ​ ​ ​

(104) ​ Cover Page Interactive Data File. ​ Embedded within the Inline XBRL document. ​

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2

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SIGNATURE

​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

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ECOLAB INC.

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Date: October 28, 2025 By: /s/ Youhao Dong

​ ​ Youhao Dong

​ ​ Assistant Secretary

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3

ECOLAB INC._July 29, 2025 0000031462false00000314622025-07-292025-07-29 ​ ​

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 ​

FORM 8-K

​

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ​ Date of Report (Date of earliest event reported) July 29, 2025 ​

ECOLAB INC.

(Exact name of registrant as specified in its charter) ​ ​

​

​

​

​

Delaware ​ 1-9328 ​ 41-0231510

(State or other jurisdiction of incorporation) ​ (Commission File No.) ​ (IRS Employer Identification No.)

​ ​

​

​

​

​

1 Ecolab Place, Saint Paul, Minnesota ​ ​ ​ 55102

(Address of principal executive offices) ​ ​ ​ (Zip Code)

​ ​

​

​

Registrant’s telephone number, including area code 1-800-232-6522

​ (Not applicable) (Former name or former address, if changed since last report.) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ​ ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ​ ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ​ ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Securities registered pursuant to Section 12(b) of the Act: ​ ​ ​ ​

​

​

​

​

Title of each class ​ Trading symbol(s) ​ Name of each exchange on which registered

Common Stock, $1.00 par value ​ ECL ​ New York Stock Exchange ​

​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ ​ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​

​

Item 2.02 Results of Operations and Financial Condition. ​ On July 29, 2025, Ecolab Inc. (“Ecolab”) announced earnings for the second quarter ended June 30, 2025. A copy of the (i) News Release issued by Ecolab in connection with this report under Item 2.02 is furnished and attached as Exhibit (99.1) and (ii) Supplemental Data to be used in connection with the conference call to be held discussing the first quarter results is furnished and attached as Exhibit (99.2), each of which is incorporated by reference herein. Ecolab also will publish the attached exhibits on its website located at www.ecolab.com. ​ Item 9.01 Financial Statements and Exhibits. ​ (d) Exhibits.

​ The following exhibits are furnished pursuant to Item 2.02 of Form 8-K and should not be deemed to be “filed” under the Securities Exchange Act of 1934. ​ ​ ​

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​

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Exhibit No. ​ Description ​ Method Of Filing ​

​ ​ ​ ​ ​ ​

(99.1) ​ Ecolab Inc. News Release dated July 29, 2025. ​ Filed herewith electronically. ​

​ ​ ​ ​ ​ ​

(99.2) ​ Supplemental Data for Second Quarter dated July 29, 2025. ​ Filed herewith electronically. ​

​ ​ ​ ​ ​ ​

(104) ​ Cover Page Interactive Data File. ​ Embedded within the Inline XBRL document. ​

​ ​

2

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SIGNATURE

​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

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ECOLAB INC.

​ ​

​ ​

Date: July 29, 2025 By: /s/ Youhao Dong

​ ​ Youhao Dong

​ ​ Assistant Secretary

​ ​

3