微芯科技 2025年度报告

Washington, D.C.20549 FORM 10-K (Mark One) ☒Annual Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934For thefiscal year ended March31, 2026 OR Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934For the transition period from _________ to __________ Commission File Number 001-42569 MICROCHIP TECHNOLOGY INCORPORATED(Exact Name of Registrant as Specified in Its Charter) 86-0629024(IRS Employer Identification No.) (State or Other Jurisdiction of Incorporation or Organization) 2355 W. Chandler Blvd., Chandler, AZ85224-6199(Address of Principal Executive Offices, Including Zip Code) (480) 792-7200(Registrant's Telephone Number, Including Area Code) Securities registered pursuant to Section 12(b) of the Act: Trading SymbolMCHP Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Indicate by check mark if the Registrant is not required tofile reports pursuant to Section 13 or Section 15(d) of the Act. Indicate by check mark whether the Registrant: (1) hasfiled all reports required to befiled by Section 13 or 15(d) of the Securities ExchangeAct of 1934 during the preceding 12 months (or for such shorter period that the registrant was required tofile such reports), and (2) hasbeen subject to suchfiling requirements for the past 90 days. ☒ Yes Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant toRule 405 of Regulation S-T (§229.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant wasrequired to submit suchfiles). ☒ Yes No Indicate by check mark whether the registrant is a large acceleratedfiler, an acceleratedfiler, a non-acceleratedfiler, a smaller reportingcompany, or an emerging growth company. See definitions of "large acceleratedfiler," "acceleratedfiler," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act: Large acceleratedfiler☒Non-acceleratedfiler☐ Acceleratedfiler☐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 complyingwith any new or revisedfinancial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant hasfiled a report on and attestation to its management's assessment of the effectiveness of itsinternal control overfinancial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered publicaccountingfirm that prepared or issued its audit report.☒ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether thefinancial statements of the registrantincluded in thefiling reflect the correction of an error to previously issuedfinancial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-basedcompensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). ☐Yes☒No Aggregate market value of the voting and non-voting common equity held by non-affiliates as of September30, 2025 based upon the closingprice of the common stock as reported by the NASDAQ Global Market on such date was approximately $34.0 billion. Number of shares of Common Stock, $0.001 par value per share, outstanding as of May14, 2026: 542,079,281sharesDocuments Incorporated by ReferenceDocumentPart of Form 10-K FORM 10-K Item 1.Business5Item 1A.Risk Factors14Item 1B.Unresolved StaffComments42Item 1C.Cybersecurity42Item 2.Properties45Item 3.Legal Proceedings45Item 4.Mine Safety Disclosures45 Item 5.Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of EquitySecurities46Item 6.[Reserved]47Item 7.Management's Discussion and Analysis of Financial Condition and Results of Operations48Item 7A.Quantitative and Qualitative Disclosures About Market Risk60Item 8.Financial Statements and Supplementary Data60Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure60Item 9A.Controls and Procedures60Item 9B.Other Information62Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections62 Item 10.Directors, Executive Officers and Corporate Governance63Item 11.Executive Compensation63Item 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters63Item 13.Certain Relationships and Related Transactions, and Director Independence64Item 14.Principal Accountant Fees and Services64 Item 15.Exhibits and Financial