Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit Number Description 10.1 Second Amended and Restated Credit Agreement, dated July 2, 2026, by and among Sterling Infrastructure, Inc., the subsidiaries of the Company party thereto as Guarantors, the Lenders party thereto and BMO Bank, N. A. as Administrative Agent 99.1 Press release, dated July 8, 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: July 8, 2026 By: /s/ Nicholas Grindstaff Nicholas Grindstaff Chief Financial Officer