Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On May 20, 2026, on the recommendation of the Compensation & Talent Development Committee (the “ Compensation Committee”) of its Board of Directors (the “ Board”), the Board approved and Sterling Infrastructure, Inc. (the “ Company”) entered into the first amendment to the Amended and Restated Executive Employment Agreement dated January 1, 2024 with Joseph A. Cutillo, the Company’s Chief Executive Officer (“ CEO”), to extend the date of Mr. Cutillo’s employment with the Company from Janu... 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: May 21, 2026 By: /s/ Mark D. Wolf Mark D. Wolf General Counsel and Corporate Secretary