STERLING INFRASTRUCTURE, INC.

For the period ended Sep 30, 2026. Filed Oct 29, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Oct 29, 2026

STRL$252.82+3.5%Stored close · as of Nov 6, 2026

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☑	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2026

For the transition period from ___ to ___
☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number	1-31993

STERLING INFRASTRUCTURE, INC.
(Exact name of registrant as specified in its charter)
Delaware	25-1655321
(State or other jurisdiction of incorporationor organization)	(I.R.S. EmployerIdentification 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	NASDAQ
(Title of each class)	(Trading Symbol)	(Name of each exchange on which registered)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. þYes ¨ No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). þ Yes ¨ No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer	☑	Accelerated filer	☐
Non-accelerated filer	¨	Smaller reporting company	☐
		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.	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). ☐ Yes þ No

The number of shares outstanding of the registrant’s common stock as of October 27, 2026 –30,502,537

STERLING INFRASTRUCTURE, INC.

QUARTERLY REPORT ON FORM 10-Q

TABLE OF CONTENTS

	Page
PART I—FINANCIAL INFORMATION
Item 1. Condensed Consolidated Financial Statements	3
Statements of Operations	3
Balance Sheets	4
Statements of Cash Flows	5
Statements of Changes in Stockholders’ Equity	6
Notes to the Condensed Consolidated Financial Statements	8
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	23
Item 3. Quantitative and Qualitative Disclosures About Market Risk	29
Item 4. Controls and Procedures	30
PART II—OTHER INFORMATION
Item 1. Legal Proceedings	31
Item 1A. Risk Factors	31
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	31
Item 5. Other Information	31
Item 6. Exhibits	32
Signatures	33

ContentsView on SEC.gov

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