MasTec Inc. Files 8-K Exhibits Including Counsel Opinion

What Happened

• MasTec, Inc. (MTZ) filed a Current Report on Form 8-K dated July 31, 2026 (Accession No. 0001193125-26-328848) reporting Item 9.01 (Financial Statements and Exhibits). The filing attaches Exhibit 5.1 (opinion of Holland & Knight LLP), Exhibit 23.1 (consent of Holland & Knight LLP included in Exhibit 5.1) and Exhibit 104 (the cover page in Inline XBRL format).

Key Details

• Filing date: July 31, 2026; Accession No.: 0001193125-26-328848.
• Exhibit 5.1: Legal opinion provided by Holland & Knight LLP.
• Exhibit 23.1: Counsel’s consent, included with Exhibit 5.1.
• Exhibit 104: Inline XBRL-formatted cover page for the Form 8-K.

Why It Matters

• This filing is limited to exhibits and does not disclose earnings, revenue figures, executive changes, mergers/acquisitions, or other operational events. For investors, the immediate impact is likely minimal; the filing documents counsel’s legal opinion and consent, which may relate to corporate or securities matters disclosed elsewhere. Monitor MasTec’s future SEC filings for any substantive announcements that reference these exhibits.