FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Mulliken John Champlin   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, 7TH FL 3. Date of Earliest Transaction (Month/Day/Year) 12/15/2018 (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 10/18/2018   G(1) V 1,612 D $ 0 6,614 D   Class A Common Stock 10/18/2018   G(1) V 1,612 A $ 0 205,064 I By Revocable Trust Class A Common Stock 12/15/2018   M   2,500 A $ 0 9,114 D   Class A Common Stock 12/15/2018   M   451 A $ 0 9,565 D   Class A Common Stock 12/15/2018   M   5,000 A $ 0 14,565 D   Class A Common Stock 12/15/2018   M   2,500 A $ 0 17,065 D   Class A Common Stock 12/17/2018   S(2)   1,585 D $ 99.62 (3) 15,480 D   Class A Common Stock 12/17/2018   S(2)   3,330 D $ 100.48 (4) 12,150 D

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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 Units ("RSUs")	(5)	12/15/2018		M			2,500	(6)	(6)	Class A Common Stock	2,500	$ 0	12,500	D
Restricted Stock Units ("RSUs")	(5)	12/15/2018		M			451	(7)	(7)	Class A Common Stock	451	$ 0	3,161	D
Restricted Stock Units ("RSUs")	(5)	12/15/2018		M			5,000	(8)	(8)	Class A Common Stock	5,000	$ 0	45,000	D
Restricted Stock Units ("RSUs")	(5)	12/15/2018		M			2,500	(9)	(9)	Class A Common Stock	2,500	$ 0	32,500	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Mulliken John Champlin C/O WAYFAIR INC., 4 COPLEY PLACE, 7TH FL BOSTON, MA 02116			Chief Technology Officer

Signatures

/s/ Enrique Colbert, Attorney-in-fact for John Champlin Mulliken		12/18/2018
**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)	Represents a transfer to a revocable trust. The reporting person is the trustee of the revocable trust.
(2)	Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs listed in Table II and does not represent a discretionary trade by the reporting person.
(3)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.26 to $100.25, inclusive. The reporting person undertakes to provide to Wayfair Inc., any security holder of Wayfair Inc., 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 this footnote.
(4)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.26 to $100.627, inclusive. The reporting person undertakes to provide to Wayfair Inc., any security holder of Wayfair Inc., 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 this footnote.
(5)	Each RSU represents a contingent right to receive one share of Class A Common Stock when vested.
(6)	These RSUs vest upon the satisfaction of a service condition. The service condition is satisfied as to 20% of the shares on March 15, 2016 and as to an additional 5% of the shares for each 3-month period of continuous service thereafter.
(7)	These RSUs vest upon the satisfaction of a service condition and have no expiration date. The service condition is satisfied as to 1/5th of the shares on September 15, 2016 and as to an additional 1/20th of the shares for every three months of continuous service thereafter.
(8)	These RSUs vest upon the satisfaction of a service condition and have no expiration date. The service condition is satisfied as to 1/5th of the shares on March 15, 2017 and as to an additional 1/20th of the shares for every three months of continuous service thereafter.
(9)	These RSUs vest upon the satisfaction of a service condition and an event condition and have no expiration date. The service condition is satisfied as to 1/5th of the shares on March 15, 2018 and as to an additional 1/20th of the shares for every three months of continuous service thereafter.

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