STRL: Company disclosure

Item 7.01 Regulation FD Disclosure. On May 12, 2026, Sterling Infrastructure, Inc. (the “Company”) filed a new shelf registration statement (the “Shelf Registration Statement”) on Form S-3 with the U.S. Securities and Exchange Commission, to replace the Company’s expired shelf registration statement. Although the Company has no current intention to offer or sell securities using the Shelf Registration Statement, it provides the Company with additional financial flexibility and the ability to access capital markets opportunistically over the next three years. The information provided in this Item 7.01 shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, unless the Company specifically states that the information is to be considered “filed” under the Exchange Act, nor shall it be incorporated by reference in any filing made by the Company pursuant to the Exchange Act or the Securities Act of 1933, as amended, other than to the extent that such filing incorporates by reference any or all of such information by express reference thereto. 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 12, 2026 By: /s/ Nicholas Grindstaff Nicholas Grindstaff Chief Financial Officer