FALSE 0000874238 0000874238 2025-09-17 2025-09-17

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): September 17, 2025

STERLING INFRASTRUCTURE, INC.
(Exact name of registrant as specified in its charter)
Delaware |  | 001-31993 |  | 25-1655321
(State or other jurisdiction of incorporation or organization) |  | (Commission File Number) |  | (I.R.S. Employer Identification No.)
1800 Hughes Landing Blvd. The Woodlands, Texas |  |  |  | 77380
(Address of principal executive offices) |  |  |  | (Zip Code)
Registrant’s telephone number, including area code: (281) 214-0777

Securities registered pursuant to Section 12(b) of the Act:
Common Stock, $0.01 par value per share | STRL | The NASDAQ Stock Market LLC
(Title of Class) | (Trading Symbol) | (Name of each exchange on which registered)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR § 240.12b-2 of this chapter). |
Emerging growth company | ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. | ☐

Item 7.01 | Regulation FD Disclosure.
Sterling Infrastructure, Inc. (the “Company”) is furnishing presentation materials regarding the Company’s business and financial performance that will be used, in whole or in part, at a presentation to investors. The presentation is being furnished with this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein 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 the registrant 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, other than to the extent that such filing incorporates by reference any or all of such information by express reference thereto.

Item 9.01 |  | Financial Statements and Exhibits.
(d) Exhibits |  |
Exhibit Number |  | Description
99.1 |  | Presentation Slides (furnished hereto)
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: | September 17, 2025 | By: | /s/ Nicholas Grindstaff
|  |  | Nicholas Grindstaff
|  |  | Chief Financial Officer