QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 GRANITE CONSTRUCTION INCORPORATED Address of principal executive offices:585 W. Beach StreetWatsonville, California 95076(831) 724-1011Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange 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.YesNoIndicate 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 theregistrant was required to submit such files).YesNoIndicate 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,” “smallerreporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated filerAccelerated filerNon-accelerated filerSmaller reporting companyEmerging growth company If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying 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).YesNoIndicate the number of shares outstanding of each of the issuer’s classes of common stock, as of July24, 2026. TABLE OF CONTENTS PART I. FINANCIAL INFORMATIONItem 1.Financial Statements (unaudited)Condensed Consolidated Balance Sheets as of June 30, 2026 and December 31, 2025Condensed Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2026 and 2025Condensed Consolidated Statements of Comprehensive Income(Loss) for the Three and Six Months Ended June30, 2026 and 2025Condensed Consolidated Statements of Shareholders’ Equity for the Three and Six Months Ended June 30, 2026and 2025Condensed Consolidated Statements of Cash Flows for the Six Months Ended June30, 2026 and 2025Notes to the Condensed Consolidated Financial StatementsItem 2.Management’s Discussion and Analysis of Financial Condition and Results of OperationsItem 3.Quantitative and Qualitative Disclosures About Market RiskItem 4.Controls and ProceduresPART II. OTHER INFORMATIONItem 1.Legal ProceedingsItem 1A.Risk FactorsItem 2.Unregistered Sales of Equity Securities, Use of Proceeds, and Issuer Purchases of Equity SecuritiesItem 4.Mine Safety DisclosuresItem 5.Other InformationItem 6.ExhibitsSIGNATURESEXHIBIT 31.1EXHIBIT 31.2EXHIBIT 32EXHIBIT 95EXHIBIT 101.INSEXHIBIT 101.SCHEXHIBIT 101.CALEXHIBIT 101.DEFEXHIBIT 101.LABEXHIBIT 101.PREEXHIBIT 104 GRANITE CONSTRUCTION INCORPORATEDCONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY(Unaudited - in thousands, except share data) Table of Contents The accompanying notes are an integral part of these condensed consolidated financial statements. GRANITE CONSTRUCTION INCORPORATEDNOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS(Unaudited) 1. General Basis of Presentation:The condensed consolidated financial statements included herein have been prepared by Granite ConstructionIncorporated (“we,” “us,” “our,” the “Company” or “Granite”) pursuant to the rules and regulations of the Securities and ExchangeCommission (“SEC”), are unaudited and should be read in conjunction with our Annual Report on Form 10-K for the year endedDecember31, 2025 (“Annual Report”). Certain information and footnote disclosures normally included in financial statementsprepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have beencondensed or omitted. Further, the condensed consolidated financial statements reflect, in the opinion of management, all normalrecurring adjustments necessary to state fairly our financial position at June30, 2026 and the results of our operations and cash flowsfor the periods presented. The December31, 2025 condensed consolidated balance sheet data included herein was derived fromaudited consolidated financial statements but does not include all disclosures required by U.S. GAAP. Seasonality:Our operations are typically affected more by weather conditions during the first and fourth quarters of our fiscal yearwhich may alter our construction schedules and can create variability in our revenues and profitability. Therefore, the results ofoperations for the t