W

SEC source: 0001950170-25-000002 · wk-form4_1735949526.xml · nonDerivative · entry 2

Gulliver Kate · CIK 0001950170 · CFO and Chief Admin Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,036

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.

SEC source: 0001950170-25-000002 · wk-form4_1735949526.xml · nonDerivative · entry 1

Gulliver Kate · CIK 0001950170 · CFO and Chief Admin Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,856

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.

SEC source: 0001994593-25-000002 · wk-form4_1735951545.xml · derivative · entry 8

Blotner Jon · CIK 0001994593 · Pres., Commercial & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 20,055 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 RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F5 · derivative.exercise_date: These RSUs, which were granted on December 12, 2024, vest upon the satisfaction of a service condition and have no expiration date. The service condition was fully satisfied on January 1, 2025.

F5 · derivative.expiration_date: These RSUs, which were granted on December 12, 2024, vest upon the satisfaction of a service condition and have no expiration date. The service condition was fully satisfied on January 1, 2025.

SEC source: 0001994593-25-000002 · wk-form4_1735951545.xml · derivative · entry 7

Blotner Jon · CIK 0001994593 · Pres., Commercial & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,946

Underlying: Class A Common Stock · 493 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 RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F4 · derivative.exercise_date: These RSUs, which were granted in multiple awards 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, 494 shares will vest on April 1, 2025, an aggregate amount of 723 shares will vest in substantially equal quarterly amounts commencing July 1, 2025, and an aggregate amount of 729 shares will vest in substantially equal quarterly amounts commencing July 1, 2026.

F4 · derivative.expiration_date: These RSUs, which were granted in multiple awards 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, 494 shares will vest on April 1, 2025, an aggregate amount of 723 shares will vest in substantially equal quarterly amounts commencing July 1, 2025, and an aggregate amount of 729 shares will vest in substantially equal quarterly amounts commencing July 1, 2026.

SEC source: 0001994593-25-000002 · wk-form4_1735951545.xml · derivative · entry 6

Blotner Jon · CIK 0001994593 · Pres., Commercial & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,093

Underlying: Class A Common Stock · 262 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 RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F3 · derivative.exercise_date: These RSUs, which were granted in multiple awards on November 11, 2021, 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, 262 shares will vest on each of April 1, 2025 and July 1, 2025 and 263 shares will vest on October 1, 2025, and an aggregate amount of 1,306 shares will vest in substantially equal quarterly amounts commencing January 1, 2026.

F3 · derivative.expiration_date: These RSUs, which were granted in multiple awards on November 11, 2021, 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, 262 shares will vest on each of April 1, 2025 and July 1, 2025 and 263 shares will vest on October 1, 2025, and an aggregate amount of 1,306 shares will vest in substantially equal quarterly amounts commencing January 1, 2026.

SEC source: 0001994593-25-000002 · wk-form4_1735951545.xml · derivative · entry 5

Blotner Jon · CIK 0001994593 · Pres., Commercial & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 503

Underlying: Class A Common Stock · 167 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 RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F2 · derivative.exercise_date: These RSUs, which were granted on November 12, 2020, 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, 168 shares will vest on April 1, 2025, 167 shares will vest on July 1, 2025, and 168 shares will vest on October 1, 2025.

F2 · derivative.expiration_date: These RSUs, which were granted on November 12, 2020, 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, 168 shares will vest on April 1, 2025, 167 shares will vest on July 1, 2025, and 168 shares will vest on October 1, 2025.

SEC source: 0001994593-25-000002 · wk-form4_1735951545.xml · nonDerivative · entry 4

Blotner Jon · CIK 0001994593 · Pres., Commercial & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,055

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.

SEC source: 0001994593-25-000002 · wk-form4_1735951545.xml · nonDerivative · entry 3

Blotner Jon · CIK 0001994593 · Pres., Commercial & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,000

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.

SEC source: 0001994593-25-000002 · wk-form4_1735951545.xml · nonDerivative · entry 2

Blotner Jon · CIK 0001994593 · Pres., Commercial & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,507

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.

SEC source: 0001994593-25-000002 · wk-form4_1735951545.xml · nonDerivative · entry 1

Blotner Jon · CIK 0001994593 · Pres., Commercial & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,245

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.

SEC source: 0001628280-25-000407 · wk-form4_1735949155.xml · derivative · entry 5

Tan Fiona · CIK 0001867558 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 28,930 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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F4 · derivative.exercise_date: These RSUs, which were granted on December 12, 2024, vest upon the satisfaction of a service condition and have no expiration date. The service condition was fully satisfied on January 1, 2025.

F4 · derivative.expiration_date: These RSUs, which were granted on December 12, 2024, vest upon the satisfaction of a service condition and have no expiration date. The service condition was fully satisfied on January 1, 2025.

SEC source: 0001628280-25-000407 · wk-form4_1735949155.xml · derivative · entry 4

Tan Fiona · CIK 0001867558 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,738

Underlying: Class A Common Stock · 1,400 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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F3 · derivative.exercise_date: 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, 1,401 shares will vest on April 1, 2025, an aggregate amount of 6,542 shares will vest in substantially equal quarterly amounts commencing July 1, 2025, and an aggregate amount of 4,795 shares will vest in substantially equal quarterly amounts commencing July 1, 2026.

F3 · derivative.expiration_date: 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, 1,401 shares will vest on April 1, 2025, an aggregate amount of 6,542 shares will vest in substantially equal quarterly amounts commencing July 1, 2025, and an aggregate amount of 4,795 shares will vest in substantially equal quarterly amounts commencing July 1, 2026.

SEC source: 0001628280-25-000407 · wk-form4_1735949155.xml · nonDerivative · entry 2

Tan Fiona · CIK 0001867558 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,806

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.

SEC source: 0001628280-25-000407 · wk-form4_1735949155.xml · nonDerivative · entry 1

Tan Fiona · CIK 0001867558 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,876

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.

SEC source: 0001620093-24-000025 · wk-form4_1734997962.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 602,637

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.58 to $47.02, 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: 0001620093-24-000025 · wk-form4_1734997962.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 605,736

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.58 to $46.57, 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: 0001620093-24-000025 · wk-form4_1734997962.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 623,489

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.55 to $45.53, 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: 0001620093-24-000025 · wk-form4_1734997962.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 631,637

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.46 to $44.34, 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: 0001620052-24-000025 · wk-form4_1734998401.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 602,573

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.59 to $46.78, 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: 0001620052-24-000025 · wk-form4_1734998401.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 605,773

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.58 to $46.45, 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: 0001620052-24-000025 · wk-form4_1734998401.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 623,303

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.55 to $45.53, 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: 0001620052-24-000025 · wk-form4_1734998401.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 631,473

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.49 to $44.34, 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: 0001783251-24-000034 · wk-form4_1734563121.xml · nonDerivative · entry 1

Netzer Thomas · CIK 0001783251 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 171,790

F1 · kind: Represents the number of shares sold by Wayfair Inc. on behalf of the reporting person, which sale is mandatory pursuant to Wayfair Inc.'s policies to cover necessary tax withholding obligations in connection with the vesting of Restricted Stock Units on December 16, 2024. Such sales do not represent a discretionary trade 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 $50.23 to $51.02, 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: 0001783251-24-000032 · wk-form4_1734395998.xml · derivative · entry 3

Netzer Thomas · CIK 0001783251 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,682

Underlying: Class A Common Stock · 2,204 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 RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F3 · derivative.exercise_date: These RSUs, which were granted on February 11, 2021, 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, an aggregate of 4,682 shares will vest in four (4) varying quarterly amounts commencing on March 15, 2025.

F3 · derivative.expiration_date: These RSUs, which were granted on February 11, 2021, 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, an aggregate of 4,682 shares will vest in four (4) varying quarterly amounts commencing on March 15, 2025.

SEC source: 0001783251-24-000032 · wk-form4_1734395998.xml · nonDerivative · entry 1

Netzer Thomas · CIK 0001783251 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 172,829

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.

SEC source: 0001783251-24-000032 · wk-form4_1734395998.xml · derivative · entry 2

Netzer Thomas · CIK 0001783251 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,125

Underlying: Class A Common Stock · 28,125 shares

Expires not disclosed

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F2 · derivative.exercise_date: These RSUs vest upon the satisfaction of a service condition and have no expiration date. The service condition is fully satisfied on January 1, 2025.

F2 · derivative.expiration_date: These RSUs vest upon the satisfaction of a service condition and have no expiration date. The service condition is fully satisfied on January 1, 2025.

SEC source: 0001950170-24-000024 · wk-form4_1734395261.xml · derivative · entry 1

Gulliver Kate · CIK 0001950170 · CFO and Chief Admin Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,927

Underlying: Class A Common Stock · 22,927 shares

Expires not disclosed

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F2 · derivative.exercise_date: These RSUs vest upon the satisfaction of a service condition and have no expiration date. The service condition is fully satisfied on January 1, 2025.

F2 · derivative.expiration_date: These RSUs vest upon the satisfaction of a service condition and have no expiration date. The service condition is fully satisfied on January 1, 2025.

SEC source: 0001628280-24-051575 · wk-form4_1734396073.xml · derivative · entry 1

Tan Fiona · CIK 0001867558 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,930

Underlying: Class A Common Stock · 28,930 shares

Expires not disclosed

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F2 · derivative.exercise_date: These RSUs vest upon the satisfaction of a service condition and have no expiration date. The service condition is fully satisfied on January 1, 2025.

F2 · derivative.expiration_date: These RSUs vest upon the satisfaction of a service condition and have no expiration date. The service condition is fully satisfied on January 1, 2025.

SEC source: 0001994593-24-000032 · wk-form4_1734395043.xml · derivative · entry 1

Blotner Jon · CIK 0001994593 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,055

Underlying: Class A Common Stock · 20,055 shares

Expires not disclosed

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class A Common Stock when vested.

F2 · derivative.exercise_date: These RSUs vest upon the satisfaction of a service condition and have no expiration date. The service condition is fully satisfied on January 1, 2025.

F2 · derivative.expiration_date: These RSUs vest upon the satisfaction of a service condition and have no expiration date. The service condition is fully satisfied on January 1, 2025.

SEC source: 0001620093-24-000023 · wk-form4_1733787516.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 632,637

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.00 to $54.33, 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: 0001620093-24-000023 · wk-form4_1733787516.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 635,152

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.00 to $53.99, 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: 0001620093-24-000023 · wk-form4_1733787516.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 650,548

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.00 to $52.99, 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: 0001620052-24-000023 · wk-form4_1733787718.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 632,573

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.00 to $54.35, 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: 0001620052-24-000023 · wk-form4_1733787718.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 635,065

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.00 to $53.99, 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: 0001620052-24-000023 · wk-form4_1733787718.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 650,587

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.00 to $52.99, 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: 0001620093-24-000021 · wk-form4_1732754484.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 662,637

F2 · kind: These shares were transferred to a donor advised charitable trust.

SEC source: 0001620052-24-000021 · wk-form4_1732754350.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 662,573

F2 · kind: These shares were transferred to a donor advised charitable trust.

SEC source: 0001620093-24-000021 · wk-form4_1732754484.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,490,996

Underlying: Class A Common Stock · 500,000 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: On November 26, 2024, the reporting person converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock. 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.

F1 · derivative.exercise_date: On November 26, 2024, the reporting person converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock. 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.

F1 · derivative.expiration_date: On November 26, 2024, the reporting person converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock. 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.

SEC source: 0001620093-24-000021 · wk-form4_1732754484.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 679,137

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: On November 26, 2024, the reporting person converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock. 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.

SEC source: 0001620052-24-000021 · wk-form4_1732754350.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,489,804

Underlying: Class A Common Stock · 500,000 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: On November 26, 2024, the reporting person converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock. 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.

F1 · derivative.exercise_date: On November 26, 2024, the reporting person converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock. 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.

F1 · derivative.expiration_date: On November 26, 2024, the reporting person converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock. 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.

SEC source: 0001620052-24-000021 · wk-form4_1732754350.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 679,073

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: On November 26, 2024, the reporting person converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock. 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.

SEC source: 0001620052-25-000002 · wk-form4a_1737684526.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,473,304

Underlying: Class A Common Stock · 516,500 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.

F2 · derivative.exercise_price: On November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock. 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.

F1 · shares: On November 27, 2024, the reporting person filed a Form 4 (the "Original Filing") which inadvertently reported that on November 26, 2024, he converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock and acquired 500,000 shares of Class A Common Stock. In fact, as reported in this amendment, on November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock and acquired 516,500 shares of Class A Common Stock.

F2 · derivative.exercise_date: On November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock. 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.

F2 · derivative.expiration_date: On November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock. 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.

F1 · derivative.underlying_shares: On November 27, 2024, the reporting person filed a Form 4 (the "Original Filing") which inadvertently reported that on November 26, 2024, he converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock and acquired 500,000 shares of Class A Common Stock. In fact, as reported in this amendment, on November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock and acquired 516,500 shares of Class A Common Stock.

F3 · balance_after: The Original Filing inadvertently reported that, following the conversion and acquisition referenced in footnote (1) above, the reporting person directly owned 679,073 shares of Class A Common Stock and 10,489,804 shares of Class B Common Stock. In fact, as reported in this amendment, following such conversion and acquisition, the reporting person directly owned 695,573 shares of Class A Common Stock and 10,473,304 shares of Class B Common Stock. As a result of the foregoing inadvertent errors, the ending balance of shares of Class A Common Stock in the Original Filing and all subsequently filed Forms 4 underreported 16,500 shares of Class A Common Stock directly owned by the reporting person. This amendment also serves to correct the ending balance of Class A Common Stock directly owned by the reporting person in the Original Filing, and in all Forms 4 filed thereafter but prior to the filing of this amendment. All subsequent Form 4 filings will reflect this correction.

SEC source: 0001620052-25-000002 · wk-form4a_1737684526.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 695,573

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 · shares: On November 27, 2024, the reporting person filed a Form 4 (the "Original Filing") which inadvertently reported that on November 26, 2024, he converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock and acquired 500,000 shares of Class A Common Stock. In fact, as reported in this amendment, on November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock and acquired 516,500 shares of Class A Common Stock.

F2 · price: On November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock. 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.

F3 · balance_after: The Original Filing inadvertently reported that, following the conversion and acquisition referenced in footnote (1) above, the reporting person directly owned 679,073 shares of Class A Common Stock and 10,489,804 shares of Class B Common Stock. In fact, as reported in this amendment, following such conversion and acquisition, the reporting person directly owned 695,573 shares of Class A Common Stock and 10,473,304 shares of Class B Common Stock. As a result of the foregoing inadvertent errors, the ending balance of shares of Class A Common Stock in the Original Filing and all subsequently filed Forms 4 underreported 16,500 shares of Class A Common Stock directly owned by the reporting person. This amendment also serves to correct the ending balance of Class A Common Stock directly owned by the reporting person in the Original Filing, and in all Forms 4 filed thereafter but prior to the filing of this amendment. All subsequent Form 4 filings will reflect this correction.

SEC source: 0001620093-25-000002 · wk-form4a_1737684339.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,474,496

Underlying: Class A Common Stock · 516,500 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.

F2 · derivative.exercise_price: On November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock. 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.

F1 · shares: On November 27, 2024, the reporting person filed a Form 4 (the "Original Filing") which inadvertently reported that on November 26, 2024, he converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock and acquired 500,000 shares of Class A Common Stock. In fact, as reported in this amendment, on November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock and acquired 516,500 shares of Class A Common Stock.

F2 · derivative.exercise_date: On November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock. 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.

F2 · derivative.expiration_date: On November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock. 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.

F1 · derivative.underlying_shares: On November 27, 2024, the reporting person filed a Form 4 (the "Original Filing") which inadvertently reported that on November 26, 2024, he converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock and acquired 500,000 shares of Class A Common Stock. In fact, as reported in this amendment, on November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock and acquired 516,500 shares of Class A Common Stock.

F3 · balance_after: The Original Filing also inadvertently reported that, following the conversion and acquisition referenced in footnote (1) above, the reporting person directly owned 679,137 shares of Class A Common Stock and 10,490,996 shares of Class B Common Stock. In fact, as reported in this amendment, following such conversion and acquisition, the reporting person directly owned 695,637 shares of Class A Common Stock and 10,474,496 shares of Class B Common Stock. As a result of the foregoing inadvertent errors, the ending balance of shares of Class A Common Stock in the Original Filing and all subsequently filed Forms 4 underreported 16,500 shares of Class A Common Stock directly owned by the reporting person. This amendment also serves to correct the ending balance of Class A Common Stock directly owned by the reporting person as of November 27, 2024, and in all Forms 4 filed thereafter but prior to the filing of this amendment. All subsequent Form 4 filings will reflect this correction.

SEC source: 0001620093-25-000002 · wk-form4a_1737684339.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 695,637

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 · shares: On November 27, 2024, the reporting person filed a Form 4 (the "Original Filing") which inadvertently reported that on November 26, 2024, he converted, at his election, 500,000 shares of his Class B Common Stock into Class A Common Stock and acquired 500,000 shares of Class A Common Stock. In fact, as reported in this amendment, on November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock and acquired 516,500 shares of Class A Common Stock.

F2 · price: On November 26, 2024, the reporting person converted, at his election, 516,500 shares of his Class B Common Stock into Class A Common Stock. 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.

F3 · balance_after: The Original Filing also inadvertently reported that, following the conversion and acquisition referenced in footnote (1) above, the reporting person directly owned 679,137 shares of Class A Common Stock and 10,490,996 shares of Class B Common Stock. In fact, as reported in this amendment, following such conversion and acquisition, the reporting person directly owned 695,637 shares of Class A Common Stock and 10,474,496 shares of Class B Common Stock. As a result of the foregoing inadvertent errors, the ending balance of shares of Class A Common Stock in the Original Filing and all subsequently filed Forms 4 underreported 16,500 shares of Class A Common Stock directly owned by the reporting person. This amendment also serves to correct the ending balance of Class A Common Stock directly owned by the reporting person as of November 27, 2024, and in all Forms 4 filed thereafter but prior to the filing of this amendment. All subsequent Form 4 filings will reflect this correction.

SEC source: 0001620093-24-000019 · wk-form4_1732316136.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,137

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.78 to $42.79, 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: 0001620093-24-000019 · wk-form4_1732316136.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,337

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.74 to $42.67, 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: 0001620052-24-000019 · wk-form4_1732316352.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,073

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.61 to $42.78, 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: 0001620052-24-000019 · wk-form4_1732316352.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,891

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.61 to $42.60, 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: 0001628280-24-048006 · wk-form4_1731630133.xml · nonDerivative · entry 1

Sneed Michael E · CIK 0001745939 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,282

F1 · shares: These shares of Class A Common Stock are issuable upon vesting of a restricted stock unit ("RSU"). The RSUs vest upon the satisfaction of a service condition over a one year period commencing on November 1, 2024. The service condition is satisfied as to one fourth of the shares for each three-month period of continuous service thereafter.