W

SEC source: 0001616707-18-000415 · wf-form4_153921430428772.xml · nonDerivative · entry 1

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,745

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.29 to $130.03, 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.

SEC source: 0001616707-18-000409 · wf-form4_153869982989746.xml · nonDerivative · entry 4

Macri Edmond · CIK 0001620023 · Chief Product/Marketing

10b5-1 filing: Not disclosed

Ownership: Indirect · By Revocable Trust

Disclosed balance after: 252,807

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.83 to $143.36, 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.

SEC source: 0001616707-18-000409 · wf-form4_153869982989746.xml · nonDerivative · entry 3

Macri Edmond · CIK 0001620023 · Chief Product/Marketing

10b5-1 filing: Not disclosed

Ownership: Indirect · By Revocable Trust

Disclosed balance after: 253,157

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.59 to $134.93, 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.

SEC source: 0001616707-18-000407 · wf-form4_153861303934384.xml · nonDerivative · entry 6

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,038

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $148.68 to $149.50, 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.

SEC source: 0001616707-18-000407 · wf-form4_153861303934384.xml · nonDerivative · entry 5

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,638

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001616707-18-000407 · wf-form4_153861303934384.xml · nonDerivative · entry 4

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,738

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.58 to $145.33, 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.

SEC source: 0001616707-18-000407 · wf-form4_153861303934384.xml · nonDerivative · entry 3

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,638

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $143.56 to $144.53, 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.

SEC source: 0001616707-18-000407 · wf-form4_153861303934384.xml · nonDerivative · entry 2

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,038

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.55 to $143.54, 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.

SEC source: 0001616707-18-000407 · wf-form4_153861303934384.xml · nonDerivative · entry 1

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,738

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $141.49 to 142.44, 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.

SEC source: 0001616707-18-000405 · wf-form4_153861287413330.xml · nonDerivative · entry 6

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,045

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $148.68 to $149.50, 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.

SEC source: 0001616707-18-000405 · wf-form4_153861287413330.xml · nonDerivative · entry 5

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,545

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001616707-18-000405 · wf-form4_153861287413330.xml · nonDerivative · entry 4

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,548

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.61 to $145.33, 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.

SEC source: 0001616707-18-000405 · wf-form4_153861287413330.xml · nonDerivative · entry 3

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,448

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $143.61 to $144.53, 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.

SEC source: 0001616707-18-000405 · wf-form4_153861287413330.xml · nonDerivative · entry 2

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,745

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.61 to $143.58, 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.

SEC source: 0001616707-18-000405 · wf-form4_153861287413330.xml · nonDerivative · entry 1

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,145

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $141.60 to $142.57, 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.

SEC source: 0001616707-18-000403 · wf-form4_153861261904221.xml · derivative · entry 5

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

SEC source: 0001616707-18-000403 · wf-form4_153861261904221.xml · derivative · entry 4

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 500

Underlying: Class A Common Stock · 500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

SEC source: 0001616707-18-000403 · wf-form4_153861261904221.xml · derivative · entry 3

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,501

Underlying: Class B Common Stock · 500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class B Common Stock when vested.

F4 · derivative.exercise_date: 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 1, 2015 and as to an additional 1/60th of the shares for each month of continuous service thereafter. The event condition was satisfied on the closing of the issuer's initial public offering of Class A Common Stock.

F4 · derivative.expiration_date: 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 1, 2015 and as to an additional 1/60th of the shares for each month of continuous service thereafter. The event condition was satisfied on the closing of the issuer's initial public offering of Class A Common Stock.

SEC source: 0001616707-18-000403 · wf-form4_153861261904221.xml · nonDerivative · entry 2

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,681

F2 · kind: 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.

SEC source: 0001616707-18-000403 · wf-form4_153861261904221.xml · nonDerivative · entry 1

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,908

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

SEC source: 0001616707-18-000399 · wf-form4_153801021959824.xml · nonDerivative · entry 7

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,038

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.00 to $142.23, 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.

SEC source: 0001616707-18-000397 · wf-form4_153800996646601.xml · nonDerivative · entry 7

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,045

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.00 to $142.23, 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.

SEC source: 0001616707-18-000401 · wf-form4_153808217682455.xml · nonDerivative · entry 1

Macri Edmond · CIK 0001620023 · Chief Product/Marketing

10b5-1 filing: Not disclosed

Ownership: Indirect · By Revocable Trust

Disclosed balance after: 247,471

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001616707-18-000399 · wf-form4_153801021959824.xml · nonDerivative · entry 6

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,038

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $137.77 to $138.37, 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.

SEC source: 0001616707-18-000399 · wf-form4_153801021959824.xml · nonDerivative · entry 5

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,938

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.75 to $137.74, 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.

SEC source: 0001616707-18-000399 · wf-form4_153801021959824.xml · nonDerivative · entry 4

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 162,538

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.60 to $136.57, 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.

SEC source: 0001616707-18-000399 · wf-form4_153801021959824.xml · nonDerivative · entry 3

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,238

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.58 to $135.08, 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.

SEC source: 0001616707-18-000399 · wf-form4_153801021959824.xml · nonDerivative · entry 2

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,838

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.46 to $134.20, 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.

SEC source: 0001616707-18-000399 · wf-form4_153801021959824.xml · nonDerivative · entry 1

Shah Niraj · CIK 0001620093 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,338

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.26 to $132.28, 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.

SEC source: 0001616707-18-000397 · wf-form4_153800996646601.xml · nonDerivative · entry 6

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,045

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $137.75 to $138.37, 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.

SEC source: 0001616707-18-000397 · wf-form4_153800996646601.xml · nonDerivative · entry 5

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,495

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.75 to $137.74, 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.

SEC source: 0001616707-18-000397 · wf-form4_153800996646601.xml · nonDerivative · entry 4

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 162,045

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.67 to $136.65, 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.

SEC source: 0001616707-18-000397 · wf-form4_153800996646601.xml · nonDerivative · entry 3

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,345

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.58 to $135.28, 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.

SEC source: 0001616707-18-000397 · wf-form4_153800996646601.xml · nonDerivative · entry 2

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,945

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.46 to $134.20, 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.

SEC source: 0001616707-18-000397 · wf-form4_153800996646601.xml · nonDerivative · entry 1

Conine Steven · CIK 0001620052 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,745

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.27 to $132.28, 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.

SEC source: 0001616707-18-000393 · wf-form4_153791631334145.xml · derivative · entry 5

FLEISHER MICHAEL D · CIK 0001187596 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 9,467 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

SEC source: 0001616707-18-000393 · wf-form4_153791631334145.xml · derivative · entry 4

FLEISHER MICHAEL D · CIK 0001187596 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,467

Underlying: Class A Common Stock · 9,467 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

SEC source: 0001616707-18-000393 · wf-form4_153791631334145.xml · derivative · entry 3

FLEISHER MICHAEL D · CIK 0001187596 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,467

Underlying: Class B Common Stock · 9,467 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class B Common Stock when vested.

F5 · derivative.exercise_date: 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 October 21, 2014 and as to an additional 1/60th of the shares for each month of continuous service thereafter. The event condition was satisfied on the closing of the issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: 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 October 21, 2014 and as to an additional 1/60th of the shares for each month of continuous service thereafter. The event condition was satisfied on the closing of the issuer's initial public offering of Class A Common Stock.

SEC source: 0001616707-18-000393 · wf-form4_153791631334145.xml · nonDerivative · entry 2

FLEISHER MICHAEL D · CIK 0001187596 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,091

F2 · kind: 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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.97 to $137.77, 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.

SEC source: 0001616707-18-000393 · wf-form4_153791631334145.xml · nonDerivative · entry 1

FLEISHER MICHAEL D · CIK 0001187596 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,589

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock (a) upon transfer thereof, subject to certain exceptions, (b) upon the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock, or (c) in the event that holders of at least 66 2/3% of the then outstanding shares of Class B Common Stock elect to convert all shares of Class B Common Stock into shares of Class A Common Stock.

SEC source: 0001616707-18-000395 · wf-form4_153791663484131.xml · nonDerivative · entry 6

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,408

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001616707-18-000395 · wf-form4_153791663484131.xml · nonDerivative · entry 5

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,508

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.29 to $139.28, 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.

SEC source: 0001616707-18-000395 · wf-form4_153791663484131.xml · nonDerivative · entry 4

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,708

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.87 to $137.57, 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.

SEC source: 0001616707-18-000395 · wf-form4_153791663484131.xml · nonDerivative · entry 3

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,508

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.83 to $136.74, 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.

SEC source: 0001616707-18-000395 · wf-form4_153791663484131.xml · nonDerivative · entry 2

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,025

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.76 to $134.96, 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.

SEC source: 0001616707-18-000395 · wf-form4_153791663484131.xml · nonDerivative · entry 1

Oblak Steve · CIK 0001620159 · Chief Merchandising Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,325

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.66 to $134.36, 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.

SEC source: 0001616707-18-000409 · wf-form4_153869982989746.xml · nonDerivative · entry 2

Macri Edmond · CIK 0001620023 · Chief Product/Marketing

10b5-1 filing: Not disclosed

Ownership: Indirect · By Revocable Trust

Disclosed balance after: 253,407

F1 · kind: Represents a transfer to a revocable trust. The reporting person is the trustee of the revocable trust.

SEC source: 0001616707-18-000409 · wf-form4_153869982989746.xml · nonDerivative · entry 1

Macri Edmond · CIK 0001620023 · Chief Product/Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 500

F1 · kind: Represents a transfer to a revocable trust. The reporting person is the trustee of the revocable trust.

SEC source: 0001616707-18-000421 · wf-form4_153981897625291.xml · nonDerivative · entry 2

Mulliken John Champlin · CIK 0001620147 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Revocable Trust

Disclosed balance after: 203,452

F1 · kind: Represents a transfer to a revocable trust. The reporting person is the trustee of the revocable trust.

SEC source: 0001616707-18-000421 · wf-form4_153981897625291.xml · nonDerivative · entry 1

Mulliken John Champlin · CIK 0001620147 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,614

F1 · kind: Represents a transfer to a revocable trust. The reporting person is the trustee of the revocable trust.