vrt-20260902 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): September 2, 2026 VERTIV HOLDINGS CO Exact name of registrant as specified in its charter Delaware 001-38518 81-2376902 (State or other Jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification Number) 505 N. Cleveland Ave , Westerville , Ohio 43082 (Address of principal executive offices, including zip code) Registrant's telephone number, including area code: 614 - 888-0246 Check the appropriate box below if the Form 8-K 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(s) Name of each exchange on which registered Class A common stock, $0.0001 par value per share VRT 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 8.01 Other Events On September 2, 2026, Vertiv Holdings Co, a Delaware corporation (the “Company”), issued a press release announcing that its Board of Directors has declared a quarterly cash dividend of $0.0625 per share of Class A common stock. The dividend is payable to the Company’s stockholders of record as of the close of business on September 14, 2026, and is expected to be paid on September 24, 2026. A copy of the press release is attached to this report on Exhibit 99.1. Item 9.01 (d) Financial Statements and Exhibits Exhibit No. Exhibit Description 99.1 Press release of Vertiv Holdings Co, dated September 2 , 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 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. Date: September 2, 2026 Vertiv Holdings Co /s/ Craig Chamberlin Name: Craig Chamberlin Title: Chief Financial Officer