[8-K] STERLING INFRASTRUCTURE, INC. Reports Material Event

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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 23, 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 5.02			Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
As previously disclosed, Ronald A. Ballschmiede, Executive Vice President of Sterling Infrastructure, Inc. (the “Company”), expected to retire in 2025. On September 23, 2025, Mr. Ballschmiede notified the Company of his plan to retire from all positions held with the Company and its subsidiaries effective September 24, 2025.

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 24, 2025			By:			/s/ Nicholas Grindstaff
									Nicholas Grindstaff
									Chief Financial Officer