X0609 4 2026-03-16 0000719955 WILLIAMS SONOMA INC WSM 0001225922 ALBER LAURA 3250 VAN NESS AVENUE SAN FRANCISCO CA 94109 1 1 PRESIDENT & CEO 1 Common Stock 2026-03-16 4 S 0 5162 181.66 D 801375 D Common Stock 2026-03-16 4 S 0 7926 182.61 D 793449 D Common Stock 2026-03-16 4 S 0 1799 183.70 D 791650 D Common Stock 2026-03-16 4 S 0 3822 184.65 D 787828 D Common Stock 2026-03-16 4 S 0 1291 185.54 D 786537 D Common Stock 33799 I By Managed Account Sale of shares pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 2, 2025. Reflects the weighted average price as the shares were sold in multiple transactions. The per share transaction price ranged from $181.15 to $182.14. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Reflects the weighted average price as the shares were sold in multiple transactions. The per share transaction price ranged from $182.15 to $183.14. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Reflects the weighted average price as the shares were sold in multiple transactions. The per share transaction price ranged from $183.15 to $184.09. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Reflects the weighted average price as the shares were sold in multiple transactions. The per share transaction price ranged from $184.16 to $185.15. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Reflects the weighted average price as the shares were sold in multiple transactions. The per share transaction price ranged from $185.18 to $186.00. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Represents the number of shares held by the reporting person in the Williams-Sonoma, Inc. Stock Fund under the Williams-Sonoma, Inc. 401(k) Plan, based on a statement dated March 16, 2026. /s/ David R. King, Attorney-in-Fact for Laura Alber 2026-03-18