Shareholder Vote

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549     FORM 8-K/A (Amendment No. 1)     CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2023     MASTEC, INC. (Exact Name of Registrant as Specified in Its Charter)       Florida   001-08106   65-0829355 (State or Other Jurisdiction of Incorporation)   (Commission File Number)   (IRS Employer Identification No.) 800 S. Douglas Road , 12th Floor Coral Gables , Florida 33134 (Address of Principal Executive Office) Registrant’s telephone number, including area code (305) 599-1800 (Former Name or Former Address, if Changed Since Last Report)     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, $0.10 Par Value   MTZ   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. ☐       EXPLANATORY NOTE This Current Report on Form 8-K/A (this “Amendment”) is being filed to update the Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission (the “SEC”) by MasTec, Inc. (the “Company”) on May 18, 2023 (the “Original 8-K”). This Amendment is being filed solely to disclose, in accordance with SEC regulations, the Company’s decision in respect of the frequency of future non-binding, advisory shareholder votes regarding executive compensation. No changes have been made to the Original 8-K.   ITEM 5.07 Submission of Matters to a Vote of Security Holders. As previously reported in the Original 8-K, shareholders at the Company’s 2023 Annual Meeting of Shareholders held on May 16, 2023 voted, on a non-binding advisory basis, in favor of holding future advisory votes on executive compensation every year. The Company’s Board of Directors has considered the outcome of that vote and decided that the Company will hold future non-binding, advisory votes on executive compensation every year until the Company’s Board of Directors otherwise determines that a different frequency for such non-binding, advisory votes is in the best interest of the Company or until the next required vote on the frequency of such votes. 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.       MASTEC, INC. Date: October 5, 2023     By:   /s/ Alberto de Cardenas       Alberto de Cardenas       Executive Vice President, General Counsel and Secretary