X0508 4 2026-02-12 0000062996 MASCO CORP /DE/ MAS 0001582303 Cole Kenneth G. 17450 COLLEGE PARKWAY LIVONIA MI 48152 1 VP, General Counsel and Sec. 0 Common Stock 2026-02-12 4 M 0 27790.0000 33.7500 A 58155.0000 D Common Stock 2026-02-12 4 M 0 24110.0000 42.1300 A 82265.0000 D Common Stock 2026-02-12 4 A 0 9285.0000 0.0000 A 91550.0000 D Common Stock 2026-02-12 4 A 0 4310.0000 0.0000 A 95860.0000 D Common Stock 2026-02-12 4 F 0 2589.0000 77.5400 D 93271.0000 D Common Stock 2026-02-12 4 S 0 24110.0000 77.0008 D 69161.0000 D Common Stock 2026-02-12 4 S 0 27790.0000 77.0608 D 41371.0000 D Common Stock 10000.0000 I By 2025 Trust Employee Stock Option 42.1300 2026-02-12 4 M 0 24110.0000 D 2028-02-09 Common Stock 24110.0000 0.0000 D Employee Stock Option 33.7500 2026-02-12 4 M 0 27790.0000 D 2027-02-10 Common Stock 27790.0000 0.0000 D Employee Stock Option 77.5400 2026-02-12 4 A 0 13520.0000 A 2036-02-12 Common Stock 13520.0000 13520.0000 D Shares reported in this column represent shares awarded in connection with the vesting of performance stock units awarded in 2023, as certified by the Compensation and Talent Committee on February 6, 2026. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.00 to $77.01, inclusive. The reporting person undertakes to provide to Masco Corporation, any security holder of Masco Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.05 to $77.08, inclusive. The reporting person is the sole trustee and the reporting person and his children and their issue are the beneficiaries of the 2025 Trust. This footnote corrects the description of the 2025 Trust on the Form 4 filed by the reporting person on December 12, 2025. This option became exercisable in five equal annual installments commencing February 9, 2019. Grant of option under the Masco Corporation 2014 Long Term Stock Incentive Plan in transactions exempt under Rule 16b-3. This option became exercisable in five equal annual installments commencing February 10, 2018. This option is exercisable in three approximately equal annual installments commencing February 12, 2027. Grant of option under the Masco Corporation 2024 Long Term Stock Incentive Plan in transactions exempt under Rule 16b-3. Yvette M. VanRiper by Power of Attorney 2026-02-17