CAT: Leadership change · Other company developments

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On October 15, 2026, Caterpillar Inc. (the “Company”) announced that Denise C. Johnson is transitioning from her position as group president of Resource Industries, effective as of November 1, 2026. The Company issued a press release in connection with Ms. Johnson’s retirement, which press release is attached hereto as Exhibit 99.1. Item 8.01. Other Events. On October 14, 2026, the Board of Directors of the Company appointed Derrick York, current president of the Solar Turbines subsidiary and senior vice president of the Company, as group president of Resource Industries, effective November 1, 2026. Item 9.01. Financial Statements and Exhibits. (d) Exhibits: The following is furnished as an exhibit to this report: 99.1 Press Release, dated October 15, 2026. 104 The cover page from this Current Report on Form 8-K, formatted in Inline XBRL. 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. CATERPILLAR INC. October 15, 2026 By: /s/ Derek Owens Derek Owens Chief Legal Officer and General Counsel