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STERLING INFRASTRUCTURE, INC.

For the period ended Jun 30, 2025. Filed Aug 5, 2025.

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About this filing

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.

Jun 30, 2025 · Filed Aug 5, 2025

STRL$290.67+15.0%Stored close · as of Nov 9, 2026

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Item 6. Exhibits

The following exhibits are filed with this Report:

Exhibit No.Exhibit Title
2.1 (1)Asset Purchase Agreement, dated as of June 16, 2025, by and among CEC Facilities, LLC, Sterling Infrastructure, Inc., CEC Facilities Group, LLC, MCEC, LLC, CEC Electrical, Inc., Brad Smith, in his capacity as a member of CEC Facilities Group, Daniel Williams, in his capacity as a member of CEC Facilities Group, LLC and as the sellers’ representative, and Ray Waddell, in his capacity as beneficial owner (incorporated by reference to Exhibit 2.1 to Sterling Infrastructure, Inc.’s Current Report on Form 8-K filed on June 18, 2025 (SEC File No. 1-31993)).
3.1 (1)Composite Certificate of Incorporation of Sterling Infrastructure, Inc. as amended through May 3, 2023 (incorporated by reference to Exhibit 3.1 to Sterling Infrastructure, Inc.’s Registration Statement on Form 8-A, filed on May 12, 2023 (SEC File No. 1-31993)).
3.2 (1)Amended and Restated Bylaws of Sterling Infrastructure, Inc. (incorporated by reference to Exhibit 3.2 to Sterling Infrastructure, Inc.’s Quarterly Report on Form 10-Q, filed on November 7, 2024 (SEC file No. 1-31993)).
4.1 (1)Form of Common Stock Certificate of Sterling Infrastructure, Inc. (incorporated by reference to Exhibit 4.1 to Sterling Infrastructure, Inc.'s Registration Statement on Form 8-A, filed on May 12, 2023 (SEC File No. 1-31993)).
10.1 (1)Amended and Restated Credit Agreement, dated June 5, 2025, by and among Sterling Infrastructure, Inc., the subsidiaries of the Company party thereto as Guarantors, the Lenders party thereto and BMO Bank, N.A., as Administrative Agent (incorporated by reference to Exhibit 10.1 to Sterling Infrastructure, Inc.’s Current Report on Form 8-K filed on June 9, 2025 (SEC File No. 1-31993)).
10.2 (2)(4)Executive Employment Offer dated June 4, 2025 between Sterling Infrastructure, Inc. and Nicholas Grindstaff.
31.1 (2)Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a).
31.2 (2)Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a).
32.1 (3)Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350.
32.2 (3)Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350.
101.INSInline XBRL Instance Document—The instance document does not appear in the Interactive Data File as its XBRL tags are embedded within the Inline XBRL document
101.SCHInline XBRL Taxonomy Extension Schema Document
101.CALInline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEFInline XBRL Taxonomy Extension Definition Linkbase Document
101.LABInline XBRL Taxonomy Extension Label Linkbase Document
101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document
104Cover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101)

(1) Incorporated by reference to the filing indicated

(2) Filed herewith

(3) Furnished herewith

(4) Management contract, compensatory plan or arrangement

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.