W insider transactions

Chief Technology Officer Tan Fiona sold $1,859,110 worth of Class A Common Stock (15,000 units at $123.94) as part of a pre-agreed trading plan (SEC Form 4)

Director Conine Steven converted options into 150,000 shares, increasing direct ownership by 143% to 255,073 units (SEC Form 4)

Chief Executive Officer Shah Niraj converted options into 150,000 shares, increasing direct ownership by 143% to 255,137 units (SEC Form 4)

Pres., Commercial & Operations Blotner Jon sold $60,000 worth of Class A Common Stock (500 units at $120.00) as part of a pre-agreed trading plan, decreasing direct ownership by 0.43% to 115,385 units (SEC Form 4)

Chief Technology Officer Tan Fiona sold $920,000 worth of Class A Common Stock (8,000 units at $115.00) as part of a pre-agreed trading plan (SEC Form 4)

Chief Executive Officer Shah Niraj sold $13,016,326 worth of shares (117,000 units at $111.25) as part of a pre-agreed trading plan (SEC Form 4)

Pres., Commercial & Operations Blotner Jon sold $60,060 worth of Class A Common Stock (546 units at $110.00) as part of a pre-agreed trading plan (SEC Form 4)

Director Conine Steven sold $13,016,728 worth of shares (117,000 units at $111.25) as part of a pre-agreed trading plan (SEC Form 4)

Chief Executive Officer Shah Niraj sold $7,296,707 worth of shares (69,000 units at $105.75) as part of a pre-agreed trading plan (SEC Form 4)

Director Conine Steven sold $7,296,709 worth of shares (69,000 units at $105.75) as part of a pre-agreed trading plan (SEC Form 4)

Chief Technology Officer Tan Fiona sold $715,260 worth of Class A Common Stock (7,000 units at $102.18) as part of a pre-agreed trading plan (SEC Form 4)

SEC Form 4 filed by Wayfair Inc.

Pres., Commercial & Operations Blotner Jon sold $630,611 worth of Class A Common Stock (6,056 units at $104.13) as part of a pre-agreed trading plan (SEC Form 4)

Director Conine Steven sold $7,132,029 worth of shares (69,000 units at $103.36) as part of a pre-agreed trading plan, decreasing direct ownership by 19% to 291,073 units (SEC Form 4)

Chief Executive Officer Shah Niraj sold $7,131,390 worth of shares (69,000 units at $103.35) as part of a pre-agreed trading plan, decreasing direct ownership by 19% to 291,137 units (SEC Form 4)

Pres., Commercial & Operations Blotner Jon sold $698,333 worth of Class A Common Stock (6,968 units at $100.22) as part of a pre-agreed trading plan, decreasing direct ownership by 6% to 110,376 units (SEC Form 4)

Chief Executive Officer Shah Niraj sold $7,132,112 worth of shares (69,000 units at $103.36) as part of a pre-agreed trading plan, decreasing direct ownership by 16% to 360,137 units (SEC Form 4)

Director Conine Steven sold $7,131,752 worth of shares (69,000 units at $103.36) as part of a pre-agreed trading plan, decreasing direct ownership by 16% to 360,073 units (SEC Form 4)

Director King Jeremy was granted 2,422 shares, increasing direct ownership by 14% to 19,965 units (SEC Form 4)

Director Jung Andrea was granted 2,422 shares, increasing direct ownership by 51% to 7,154 units (SEC Form 4)

Chief Technology Officer Tan Fiona covered exercise/tax liability with 14,357 shares and converted options into 28,271 shares, increasing direct ownership by 122% to 25,280 units (SEC Form 4) to cover taxes

CFO and Chief Admin Officer Gulliver Kate converted options into 23,466 shares and covered exercise/tax liability with 11,347 shares, increasing direct ownership by 8% to 171,190 units (SEC Form 4) to satisfy tax liability

Pres., Commercial & Operations Blotner Jon sold $570,518 worth of Class A Common Stock (5,925 units at $96.29) as part of a pre-agreed trading plan, converted options into 23,450 units of Class A Common Stock and covered exercise/tax liability with 11,339 units of Class A Common Stock, increasing direct ownership by 6% to 117,344 units (SEC Form 4) to satisfy withholding tax

SEC Form 4 filed by CFO and Chief Admin Officer Gulliver Kate

SEC Form 4 filed by Pres., Commercial & Operations Blotner Jon

SEC Form 4 filed by Chief Technology Officer Tan Fiona

Director Conine Steven sold $9,307,320 worth of shares (120,000 units at $77.56) as part of a pre-agreed trading plan, decreasing direct ownership by 22% to 429,073 units (SEC Form 4)

Chief Executive Officer Shah Niraj sold $9,305,583 worth of shares (120,000 units at $77.55) as part of a pre-agreed trading plan, decreasing direct ownership by 22% to 429,137 units (SEC Form 4)

Amendment: Pres., Commercial & Operations Blotner Jon transferred by will 100 units of Class A Common Stock) (SEC Form 4)

SEC Form 4 filed by Conine Steven

SEC Form 4 filed by Shah Niraj

SEC Form 4 filed by Tan Fiona

SEC Form 4 filed by Gulliver Kate

SEC Form 4 filed by Blotner Jon

Amendment: SEC Form 4 filed by Kumin Michael Andrew

Amendment: SEC Form 4 filed by Jung Andrea

SEC Form 4 filed by Conine Steven

SEC Form 4 filed by Shah Niraj

SEC Form 4 filed by Shah Niraj

SEC Form 4 filed by Conine Steven

SEC Form 4 filed by Tan Fiona

SEC Form 4 filed by Gulliver Kate

SEC Form 4 filed by Blotner Jon

Director Frost Diana was granted 3,176 units of Class A Common Stock, increasing direct ownership by 62% to 8,304 units (SEC Form 4)

Director Naylor Jeffrey G was granted 3,176 shares, increasing direct ownership by 11% to 33,052 units (SEC Form 4)

Director Kumin Michael Andrew was granted 3,176 shares, increasing direct ownership by 1% to 263,753 units (SEC Form 4)

Co-Founder Conine Steven sold $2,125,377 worth of shares (26,950 units at $78.86), decreasing direct ownership by 14% to 169,073 units (SEC Form 4)

Chief Executive Officer Shah Niraj sold $2,129,850 worth of shares (27,000 units at $78.88), decreasing direct ownership by 14% to 169,137 units (SEC Form 4)

Co-Founder Conine Steven sold $6,944,261 worth of shares (93,050 units at $74.63), decreasing direct ownership by 32% to 196,023 units (SEC Form 4)

Chief Executive Officer Shah Niraj sold $6,940,214 worth of shares (93,000 units at $74.63), decreasing direct ownership by 32% to 196,137 units (SEC Form 4)

Chief Technology Officer Tan Fiona gifted 11,370 shares and received a gift of 11,370 units of Class A Common Stock, closing all direct ownership in the company (SEC Form 4)

Director Frost Diana covered exercise/tax liability with 548 units of Class A Common Stock, decreasing direct ownership by 10% to 5,128 units (SEC Form 4)

Co-Founder Conine Steven sold $16,330,553 worth of shares (150,000 units at $108.87), decreasing direct ownership by 34% to 289,073 units (SEC Form 4)

Chief Executive Officer Shah Niraj sold $16,331,184 worth of shares (150,000 units at $108.87), decreasing direct ownership by 34% to 289,137 units (SEC Form 4)

Chief Technology Officer Tan Fiona sold $1,071,000 worth of Class A Common Stock (9,000 units at $119.00) (SEC Form 4)

Chief Technology Officer Tan Fiona converted options into 23,276 shares and covered exercise/tax liability with 11,906 shares (SEC Form 4)

Pres., Commercial & Operations Blotner Jon sold $528,882 worth of Class A Common Stock (4,997 units at $105.84), converted options into 19,209 units of Class A Common Stock and covered exercise/tax liability with 8,961 units of Class A Common Stock, increasing direct ownership by 5% to 106,107 units (SEC Form 4)

CFO and Chief Admin Officer Gulliver Kate converted options into 19,193 shares, covered exercise/tax liability with 8,955 shares and sold $3,886,930 worth of shares (36,497 units at $106.50), decreasing direct ownership by 15% to 149,238 units (SEC Form 4)

Co-Founder Conine Steven sold $15,103,055 worth of shares (150,000 units at $100.69), decreasing direct ownership by 25% to 439,073 units (SEC Form 4)

Chief Executive Officer Shah Niraj sold $15,102,505 worth of shares (150,000 units at $100.68), decreasing direct ownership by 25% to 439,137 units (SEC Form 4)