MasTec, Inc. filed a current report on August 17, 2026, disclosing the completion of a $650.0 million public offering of 5.850% senior unsecured notes maturing September 30, 2036.

Key Highlights

  • Offering size: $650.0 million aggregate principal amount of 5.850% senior unsecured notes due 2036 was issued on August 17, 2026.
  • Interest rate and payment dates: The notes bear interest at 5.850% per year, payable on March 30 and September 30 of each year, beginning March 30, 2027.
  • Maturity date: The 2036 Senior Notes will mature on September 30, 2036.
  • Ranking: The notes are senior unsecured obligations, ranking equally with all other senior unsecured indebtedness of the company, and are effectively subordinated to all secured indebtedness.
  • No subsidiary guarantees: The notes are not guaranteed by any of the company's subsidiaries and are structurally subordinated to all subsidiary obligations, including trade payables.
  • Redemption option: The company may redeem the notes, in whole or in part, at any time at redemption prices specified in the Indenture.

MasTec Issues $650M in Ten-Year Senior Unsecured Notes

According to the filing, MasTec, Inc. (NYSE:MTZ), a Florida corporation, completed a previously announced public offering of $650.0 million in aggregate principal amount of 5.850% senior unsecured notes due 2036 on August 17, 2026. The 2036 Senior Notes were issued under a base indenture dated June 5, 2009, as supplemented by a twenty-second supplemental indenture, dated August 17, 2026, between the company and U.S. Bank Trust Company, National Association, as trustee.

The filing disclosed that the 2036 Senior Notes rank equally with all of the company's other senior unsecured indebtedness but are effectively subordinated to all secured indebtedness of the company to the extent of the value of assets securing such indebtedness. The notes carry no subsidiary guarantees, making them structurally subordinated to all obligations of the company's subsidiaries, including trade payables, according to the filing.

Interest on the notes is payable semiannually on March 30 and September 30 each year, beginning March 30, 2027, with the notes maturing on September 30, 2036. The company disclosed that the Indenture provides for customary events of default and remedies, and that U.S. Bank Trust Company, National Association has been appointed registrar and paying agent for the 2036 Senior Notes. Legal opinions related to the notes were filed as exhibits from Fried, Frank, Harris, Shriver & Jacobson LLP and Holland & Knight LLP.

What Was Disclosed

MasTec reported the closing of a $650.0 million senior unsecured notes offering at 5.850% interest, maturing September 30, 2036, with semiannual interest payments beginning March 30, 2027, and no subsidiary guarantees securing the obligation.