Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405of 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).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, oran emerging growth company.See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growthcompany” in Rule12b-2 of the Exchange Act. 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 newor 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 Rule12b-2 of the Exchange Act).Yes☐No☒ As of May 1, 2025, the number of shares outstanding of the registrant’s Common Stock, $0.0001 par value, was72,484,841. ALIGN TECHNOLOGY, INC. TABLE OF CONTENTS PARTIFINANCIAL INFORMATION Item1.FinancialStatements(Unaudited):Condensed Consolidated Statements of OperationsCondensedConsolidatedStatementsofComprehensiveIncomeCondensed Consolidated Balance SheetsCondensed Consolidated Statements of Stockholders’ EquityCondensed Consolidated Statements of Cash FlowsNotes to Condensed Consolidated Financial StatementsItem2.Management’s Discussion and Analysis of Financial Condition and Results of OperationsItem3.Quantitative and Qualitative Disclosures About Market RiskItem4.Controls and ProceduresPARTIIOTHER INFORMATIONItem1.Legal ProceedingsItem1A.Risk FactorsItem2.Unregistered Sales of Equity Securities and Use of ProceedsItem3.Defaults Upon Senior SecuritiesItem4.Mine Safety DisclosuresItem5.Other InformationItem6.ExhibitsSignatures Invisalign, Align, the Invisalign logo, ClinCheck, Invisalign Assist, Invisalign Teen, Invisalign First, Invisalign Go, the Invisalign soniclogo, Vivera, SmartForce, SmartTrack, SmartStage, SmileView, iTero, iTero Element, iTero Lumina, Orthocad, exocad, Align DigitalPlatform, Invisalign Smile Architect, iTero exocad Connector and exocad Dental CAD, among others, are trademarks and/or service marksof Align Technology,Inc. or one of its subsidiaries or affiliated companies and may be registered in the United States and/or other PARTI—FINANCIAL INFORMATION ALIGN TECHNOLOGY, INC.CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS ALIGN TECHNOLOGY, INC.CONDENSED CONSOLIDATED BALANCE SHEETS ALIGN TECHNOLOGY, INC.CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS ALIGN TECHNOLOGY, INC.NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS Note 1.Summary of Significant Accounting Policies Basis of Presentation and Preparation The accompanying unaudited Condensed Consolidated Financial Statements have been prepared by Align Technology, Inc. (“we”,“our”, the “Company” or “Align”) on a consistent basis with the audited Consolidated Financial Statements for the year endedDecember31, 2024, and contain all adjustments, including normal recurring adjustments, necessary to fairly state the information set forthherein. These unaudited Condensed Consolidated Financial Statements have been prepared in accordance with the rulesand regulations of The information included in this Quarterly Report on Form10-Q should be read in conjunction with the Consolidated FinancialStatements and notes thereto included in Item 8 of our Annual Report on Form10-K for the year ended December31, 2024 as filed with theSEC on February 28, 2025. The results of operations for the three months ended March31, 2025 are not necessarily indicative of the results Use of Estimates The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions thataffect the amounts reported in our consolidated financial statements and accompanying notes.Actual results could differ materially fromthose estimates.On an ongoing basis, we evaluate our estimates, including those related to revenue recognition and deferred revenues,useful lives of intangible assets and property, plant and equipment, goodwill, income taxes, contingent liabilities, the fair values of financial Certain Risks and Uncertainties Financial instruments which potentially expose the Company to concentration of credit risk, consist principally of cash and cashequivalents. These instruments have minimal credit risk exposures. Management regularly monitors their compositions and maturities. TheCompany maintains its cash and cash equivalents in bank accounts that exceed federally insured FDIC limits. Through March31, 2025, the We purchase certain inventory from sole suppliers.Additionally, we rely on a limited number of hardware manufacturers.The inabilityof any supplier or manufacturer to fulfill our