Item 8.01 Other Events On November 12, 2025, Dover Corporation (the “ Company”) completed an offering of€550,000,000 aggregate principal amount of 3.500% Notes due 2033 (the “ Euro Notes”). The Euro Notes were registered under the Company’s Registration Statement on Form S-3ASR(FileNo. 333-269991)and are being offered by means of the Company’s prospectus, dated February 24, 2023 (the “ Base Prospectus”), as supplemented by a prospectus supplement, dated November 5, 2025 (together with the Base Prospectus, the “ Prospectus”). The material terms of the Euro Notes are described in the Prospectus.

Item 9.01 Financial Statements and Exhibits (d) Exhibits. The following exhibits are furnished as part of this Current Report on Form8-K: 1.1 Underwriting Agreement, dated November 5, 2025, between Dover Corporation and the Euro Note Underwriters. ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── 1.2 Pricing Agreement, dated November 5, 2025, between Dover Corporation and the Euro Note Underwriters. ───────────────────────────────────────────────────────────────────────────────────────────────────────────────── 4.1 Ninth Supplemental Indenture, dated November 12, 2025, among Dover Corporation, the Trustee and the Paying Agent. ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── 4.2 Form of Global Note representing the 3.500% Notes due 2033 ( € 550,000,000 aggregate principal amount) (included as Exhibit A to Exhibit 4.1). 5.1 Opinion of Ivonne M. Cabrera, Esq., Senior Vice President, General Counsel and Secretary of Dover Corporation, with respect to legality of the Euro Notes. 23.1 Consent of Ivonne M. Cabrera, Esq., Senior Vice President, General Counsel and Secretary of Dover Corporation with respect to the Euro Notes (set forth in Exhibit 5.1). 104 Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document). SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Current Report on Form8-Kto be signed on its behalf by the undersigned hereunto duly authorized. DOVER CORPORATION ───────────────────────────────────────────────────────────────────────────── (Registrant) By: /s/ Ivonne M. Cabrera Ivonne M. Cabrera Senior Vice President, General Counsel & Secretary