FORM 10-K ☑ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2025OR☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 For the Transition Period FromtoCommission file number: 001-34666 MaxLinear, Inc. (Exact name of Registrant as specified in its charter) Securities registered pursuant to Section 12(b) of the Act: 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. Yes☑No☐ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes☐No☑ Indicate by check mark whether the Registrant (1)has filed all reports required to be filed by Section13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12months (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 90days.Yes☑No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant 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).Yes☑No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reportingcompany,” and “emerging growth company” in Rule12b-2 of the Exchange Act. Emerging 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 has filed a report on and attestation to its management’s assessment of the effectivenessof its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered publicaccounting firm that prepared or issued its audit report.Yes☑No☐ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of theregistrant included in the filing reflect the correction of an error to previously issued financial 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).☐ The aggregate market value of the registrant’s common stock, $0.0001 par value per share, held by non-affiliates of the registrant onJune 30, 2025, the last business day of the registrant’s most recently completed second fiscal quarter, was $1.1 billion (based on the closingsales price of the registrant’s common stock on that date). Shares held by persons who may be deemed affiliates have been excluded. Thisdetermination of affiliate status with respect to the foregoing calculation is not a determination for other purposes. As of January22, 2026, the registrant had 86,451,150 shares of common stock, par value $0.0001, outstanding. DOCUMENTS INCORPORATED BY REFERENCE Information required by Part III of this Form 10-K is incorporated by reference to the registrant’s proxy statement or the Proxy Statement, forthe 2026 annual meeting of stockholders, which proxy statement will be filed with the Securities and Exchange Commission within 120 daysafter the end of the fiscal year covered by this Form 10-K. MAXLINEAR, INC.TABLE OF CONTENTSPart I Item 1.BusinessItem 1A.Risk FactorsItem 1B.Unresolved Staff CommentsItem 1C.CybersecurityItem 2.PropertiesItem 3.Legal ProceedingsItem 4.Mine Safety DisclosuresPart IIItem 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of EquitySecuritiesItem 6.[Reserved]Item 7.Management’s Discussion and Analysis of Financial Condition and Results of OperationsItem 7A.Quantitative and Qualitative Disclosures About Market RiskItem 8.Financial Statements and Supplementary DataItem 9.Changes in and Disagreements with Accountants on Accounting and Financial DisclosureItem 9A.Controls and ProceduresItem 9B.Other InformationItem 9C.Disclosure Regarding Foreign Jurisdictions that Prevent InspectionsPart IIIItem 10.Directors, Executive Officers and Corporate GovernanceItem 11.Executive CompensationItem 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder MattersItem 13.Certain Relationships and Related Transactions, and Director IndependenceItem 14.Principal Accountant Fees an