mtd-20260730 0001037646 false 0001037646 2026-08-03 2026-08-03 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 30, 2026 Mettler-Toledo International Inc. (Exact name of registrant as specified in its charter) Delaware File No. 001-13595 13-3668641 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 1900 Polaris Parkway Columbus OH and Im Langacher, P.O. Box MT-100 CH Greifensee, Switzerland 43240 and 8606 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code: 1- 614 - 438-4511 and +41-44-944-22-11 (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: ☐ 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 Name of each exchange on which registered Common Stock, $0.01 par value MTD 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 (17 CFR 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR 240.12b-2). 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 5.02.  Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On July 30, 2026, the Board of Directors of Mettler-Toledo International Inc. (the "Company") appointed Natalia Shuman as a director of the Company, effective August 3, 2026, and determined Ms. Shuman qualifies as an "independent director" for purposes of the New York Stock Exchange listing standards. The Board of Directors has not yet determined on which Board committees, if any, Ms. Shuman will serve. In connection with the appointment, the Board of Directors resolved to increase its size from nine directors to ten directors, effective August 3, 2026. Ms. Shuman’s compensation for her services as a director will be consistent with that of the Company's other independent directors, as described in the Company's definitive proxy statement filed with the Securities Exchange Commission on March 18, 2026. There are no arrangements or understandings between Ms. Shuman and any other persons pursuant to which Ms. Shuman was selected as a director, and there are no transactions in which Ms. Shuman has an interest requiring disclosure under Item 404(a) of Regulation S-K. Item 7.01 Regulation FD Disclosure. On August 3, 2026, the Company issued a press release announcing Ms. Shuman’s appointment. A copy of the press release is furnished hereto as Exhibit 99.1 to this Form 8-K and incorporated herein by reference. The information furnished pursuant to Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any other filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 9.01.  Financial Statements and Exhibits. Exhibit No. Description 99.1 Press release, dated August 3, 2026, issued by Mettler-Toledo International Inc. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).* *Submitted electronically with this Report in accordance with the provisions of Regulation S-T. SIGNATURES 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. METTLER-TOLEDO INTERNATIONAL INC. Date:  August 3, 2026 By: /s/ Michelle M. Roe Michelle M. Roe Chief Legal Officer

Mettler-Toledo appointed Natalia Shuman as an independent director effective August 3, 2026, expanding the Board from nine to ten members. This is a routine governance action with no material financial or operational impact.

On July 30, 2026, Mettler-Toledo International Inc. appointed Natalia Shuman as a new director, effective August 3, 2026. This appointment increases the Board's size from nine to ten directors. Ms. Shuman meets the criteria for independence as per New York Stock Exchange standards, though her committee assignments have not yet been determined. Her compensation will align with the existing structure for independent directors, as outlined in the company's proxy statement.

Mettler-Toledo International Inc.

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