144 0001867558 XXXXXXXX LIVE 0001616707 Wayfair Inc. 001-36666 4 COPLEY PLACE BOSTON MA 02116 617 532 6100 Tan Fiona Officer Class A Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

3214 157486.00 103657178 06/17/2025 NYSE Class A 07/01/2021 Restricted Stock Vesting Issuer N 3214 07/01/2021 Compensation N Fiona Tan

4 Copley Place Boston MA 02116

Class A 04/02/2025 23835 760641.59 Fiona Tan Liv Trust

4 Copley Place Boston MA 02116

Class A 06/16/2025 3133 148472.87 Today's sale and the sale on 06/16/2025 occurred in the Fiona Tan Liv Trust account, of which Fiona Tan is a trustee and an account stakeholder. 06/17/2025 03/12/2025 /s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Fiona Tan