☐ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934For the fiscal year ended December 31, 2024or ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACTOF 1934For the transition period from ___________ to ___________ Commission file number: 1-5794Masco Corporation Name of Each ExchangeOn Which Registered 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 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 suchreports), and (2) has been subject to such filing requirements for the past 90 days. 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 thatthe 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 smallerreporting 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. 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 theeffectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) bythe registered public accounting firm that prepared or issued its audit report.☐ 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).☐Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☐The aggregate market value of the Registrant's Common Stock held by non-affiliates of the Registrant on June 30, 2024 (based onthe closing sale price of $66.67 of the Registrant's Common Stock, as reported by the New York Stock Exchange on such date) wasapproximately $14,510,947,978.Number of shares outstanding of the Registrant's Common Stock at January 31, 2025:211,983,493 shares of Common Stock, par value $1.00 per shareDOCUMENTS INCORPORATED BY REFERENCEPortions of the Registrant's definitive Proxy Statement to be filed for its 2025 Annual Meeting of Stockholders are incorporated byreference into Part III of this Form 10-K. Masco Corporation2024 Annual Report on Form 10-K TABLE OF CONTENTS Page Item PART I 1.Business21A.Risk Factors71B.Unresolved Staff Comments151C.Cybersecurity152.Properties173.Legal Proceedings174.Mine Safety Disclosures17PART II5.Market for Registrant's Common Equity, Related Stockholder Matters and IssuerPurchases of Equity Securities186.[Reserved]197.Management's Discussion and Analysis of Financial Condition and Results ofOperations207A.Quantitative and Qualitative Disclosures About Market Risk318.Financial Statements and Supplementary Data329.Changes in and Disagreements with Accountants on Accounting and FinancialDisclosure719A.Controls and Procedures719B.Other Information719C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections71PART III10.Directors, Executive Officers and Corporate Governance7211.Executive Compensation7212.Security Ownership of Certain Beneficial Owners and Management and RelatedStockholder Matters7213.Certain Relationships and Related Transactions, and Director Independence72 14.Principal Accountant Fees and ServicesPART IV15.Exhibits and Financial Statement Schedules16.Form 10-K SummarySignatures 72737677 Cautionary Statement Concerning Forward-Looking Statements This Report contains statements that reflect our views about our future performance and constitute"forward-looking statements" under the Private Securities Litigation Reform Act of 1995. Forward-lookingstatements can be identified by words such as "outlook," "believe," "anticipate," "appear," "may," "will,""should," "intend," "plan," "estimate," "expect," "assume," "seek," "forecast," and similar refer