MAS: Financial results

Item 2.02. Results of Operations and Financial Condition. Attached and incorporated herein by reference as Exhibit 99 is a copy of the press release dated October 28, 2026 reporting Masco Corporation’s financial results for the third quarter 2026 and certain other information and supplemental information prepared for use in connection with the financial results for the third quarter 2026. On October 28, 2026, Masco Corporation will hold an investor conference call and webcast to discuss financial results for the third quarter 2026. This information, including Exhibit 99 attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liabilities of that section. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. 99 Press Release of Masco Corporation dated October 28, 2026 reporting Masco Corporation’s financial results for the third quarter 2026 and certain other information and supplemental information prepared for use in connection with the financial results for the third quarter 2026. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. MASCO CORPORATION By: /s/ Richard J. Westenberg Name: Richard J. Westenberg Title: Vice President, Chief Financial Officer and Treasurer October 28, 2026 2