8-K

MASTEC, INC.

Date: May 22, 2026

/s/ Alberto de Cardenas

Alberto de Cardenas

Executive Vice President, General Counsel and Secretary

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): May 21, 2026

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. ☐

ITEM 5.07

Submission of Matters to a Vote of Security Holders.

MasTec, Inc. (the “Company”) held its Annual Meeting on May 21, 2026. The final voting results for each of the proposals submitted to a vote of the Company’s shareholders at the Annual Meeting are as follows:

Proposal 1: Election of Ernst N. Csiszar, Julia L. Johnson and Jorge Mas as Class I directors to serve until the 2029 Annual Meeting of Shareholders.


	Votes “For”		Votes Withheld		Broker Non-Votes
Ernst N. Csiszar		49,045,086		4,544,750		4,403,928
Julia L. Johnson		46,506,948		7,082,888		4,403,928
Jorge Mas		49,473,243		4,116,593		4,403,928

Proposal 2: Ratification of the appointment of Pricewaterhouse Coopers LLP as the Company’s independent registered public accounting firm for the 2026 fiscal year.

Votes “For”

Votes

“Against”

Abstentions

Broker
Non-Votes

57,930,704

21,113

41,947

Proposal 3: Approval of a non-binding advisory resolution regarding the compensation of the Company’s named executive officers.

Votes “For”

Votes

“Against”

Abstentions

Broker
Non-Votes

49,678,324

3,820,263

91,249

4,403,928

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.