VMC: Other company developments

Item 8.01 Other Events. On July 27, 2026, Vulcan Materials Company issued a press release to provide an update with respect to its North American Free Trade Agreement (NAFTA) arbitration against Mexico filed in 2018. A copy of the press release is attached as Exhibit 99.1 to this report and incorporated herein by reference. Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description 99.1 Press Release, dated July 27, 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 2 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. Date: July 27, 2026 VULCAN MATERIALS COMPANY By: /s/ Jerry F. Perkins Jr. Name: Jerry F. Perkins Jr. Title: Chief Administrative Officer