Item 7.01 Regulation FD Disclosure. On October 5, 2026, the Company issued a press release announcing the appointment of Katherine Hargis as Senior Vice President, General Counsel, Chief Compliance Officer, and Corporate Secretary, a copy of which is furnished as Exhibit 99.1 hereto and incorporated into this Item 7.01 by reference. The information provided in this Item 7.01 shall not be deemed to be “filed” for the purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, unless t... ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────

Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit Number Description 99.1 Press release, dated October 5, 2026 ─────────────────────────────────────────────────────────────────────────────────────────────────── 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 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. STERLING INFRASTRUCTURE, INC. Date: October 5, 2026 By: /s/ Nicholas Grindstaff Nicholas Grindstaff Chief Financial Officer