Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Tan Fiona 2. Issuer Name and Ticker or Trading Symbol Wayfair Inc. [W] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Technology Officer (Last) (First) (Middle) C/O WAYFAIR INC., 4 COPLEY PLACE 3. Date of Earliest Transaction (Month/Day/Year) 10/01/2025 (Street) BOSTON, MA 02116 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 10/01/2025 M 1,636 A $ 0 1,636 D Class A Common Stock 10/01/2025 M 30,624 A $ 0 32,260 D Class A Common Stock 10/01/2025 F 16,351(1) D $86.41 15,909 D Class A Common Stock 205,207 I(2) By Revocable Trust

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Restricted Stock Unit ("RSU")

(3)

10/01/2025

M

1,636

(4)

(4)

Class A Common Stock

1,636

$ 0

8,066

D

Restricted Stock Unit ("RSU")

(3)

10/01/2025

M

30,624

(5)

(5)

Class A Common Stock

30,624

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Tan Fiona C/O WAYFAIR INC., 4 COPLEY PLACE BOSTON, MA 02116			Chief Technology Officer

Signatures

/s/Enrique Colbert, Attorney-In-Fact for Fiona Tan		10/03/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	These shares represent the number of shares of Class A Common Stock withheld by the issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the RSUs reported in this Form 4.
(2)	The reporting person is the trustee of the revocable trust, and members of the reporting person's immediate family are the sole beneficiaries of the revocable trust.
(3)	Each RSU represents a contingent right to receive one share of Class A Common Stock when vested.
(4)	These RSUs, which were granted on April 18, 2022, vest upon the satisfaction of a service condition and have no expiration date. With respect to the number of shares that have not vested, subject to continued service on each applicable vesting date, 1,635 shares will vest on January 1, 2026, 1,636 shares will vest on April 1, 2026, and an aggregate amount of 4,795 shares will vest in substantially equal quarterly amounts commencing July 1, 2026.
(5)	These RSUs, which were granted on September 22, 2025, vest upon the satisfaction of a service condition and have no expiration date. The service condition was fully satisfied on October 1, 2025.

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