Vulcan Materials CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 27, 2026 VULCAN MATERIALS COMPANY (Exact name of registrant as specified in its charter) New Jersey 001-33841 20-8579133 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 1200 Urban Center Drive Birmingham , Alabama 35242 (Address of principal executive offices) (zip code) ( 205 ) 298-3000 Registrant's telephone number, including area code 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(s) Name of each exchange on which registered Common Stock, $1 par value VMC 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. ☐ 1 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 2026-07-27 0001396009 false 0001396009 2026-07-27 2026-07-27