Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit Number Description 99.1 Press release, dated June 9, 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: June 9, 2026 By: /s/ Mark D. Wolf Mark D. Wolf General Counsel and Corporate Secretary