ABNB

SEC source: 0001193125-26-209123 · ownership.xml · nonDerivative · entry 2

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 92,678

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.00 to $139.997. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-209123 · ownership.xml · nonDerivative · entry 1

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 109,276

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.525 to $138.99. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-182362 · ownership.xml · derivative · entry 2

Bernstein David C · CIK 0001288881 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,001

Underlying: Class A Common Stock · 12,001 shares

Expires 2036-04-23

F2 · derivative.exercise_date: The stock option vests in 48 substantially equal monthly installments beginning on March 19, 2026.

SEC source: 0001193125-26-182362 · ownership.xml · nonDerivative · entry 1

Bernstein David C · CIK 0001288881 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,433.033

F1 · shares: Represents an award of restricted stock units, which vest in 16 substantially equal quarterly installments beginning on May 19, 2026. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and has no expiration date.

SEC source: 0001193125-26-182367 · ownership.xml · derivative · entry 3

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,004

Underlying: Class A Common Stock · 42,004 shares

Expires 2036-04-23

F2 · derivative.exercise_date: The stock option vests in 48 substantially equal monthly installments beginning on March 19, 2026.

SEC source: 0001193125-26-182367 · ownership.xml · nonDerivative · entry 1

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,454.232

F1 · shares: Represents an award of restricted stock units, which vest in 16 substantially equal quarterly installments beginning on May 19, 2026. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and has no expiration date.

SEC source: 0001193125-26-182359 · ownership.xml · derivative · entry 2

Mertz Elinor · CIK 0001938411 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,007

Underlying: Class A Common Stock · 78,007 shares

Expires 2036-04-23

F2 · derivative.exercise_date: The stock option vests in 48 substantially equal monthly installments beginning on March 19, 2026.

SEC source: 0001193125-26-182359 · ownership.xml · nonDerivative · entry 1

Mertz Elinor · CIK 0001938411 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 467,164.681

F1 · shares: Represents an award of restricted stock units, which vest in 16 substantially equal quarterly installments beginning on May 19, 2026. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and has no expiration date.

SEC source: 0001193125-26-174171 · ownership.xml · derivative · entry 9

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 46,018,232

Underlying: Class A Common Stock · 24,788 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: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001193125-26-174171 · ownership.xml · nonDerivative · entry 6

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 11,920

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025.

SEC source: 0001193125-26-174171 · ownership.xml · nonDerivative · entry 5

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 12,120

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $146.00 to $146.92. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-174171 · ownership.xml · nonDerivative · entry 4

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 23,356

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $145.00 to $145.955. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-174171 · ownership.xml · nonDerivative · entry 3

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 36,708

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: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001193125-26-174171 · ownership.xml · derivative · entry 8

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 46,043,020

Underlying: Class A Common Stock · 10,777 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: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001193125-26-174171 · ownership.xml · nonDerivative · entry 2

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 11,920

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $145.00 to $145.76. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-174171 · ownership.xml · nonDerivative · entry 1

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 22,697

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: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001193125-26-170556 · ownership.xml · nonDerivative · entry 4

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 112,015

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $143.00 to $143.87. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-170556 · ownership.xml · nonDerivative · entry 3

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 133,225

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.00 to $142.9945. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-170556 · ownership.xml · nonDerivative · entry 2

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 159,063

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $141.00 to $141.9928. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-170556 · ownership.xml · nonDerivative · entry 1

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 166,736

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.4273 to $140.9899. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-151415 · ownership.xml · nonDerivative · entry 1

Mertz Elinor · CIK 0001938411 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 394,358.681

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on May 30, 2025.

SEC source: 0001193125-26-147937 · ownership.xml · nonDerivative · entry 4

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 170,015

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

SEC source: 0001193125-26-147937 · ownership.xml · nonDerivative · entry 3

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 170,115

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.00 to $126.94. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-147937 · ownership.xml · nonDerivative · entry 2

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 207,025

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.08 to $125.99. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-147937 · ownership.xml · nonDerivative · entry 1

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 226,691

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.39 to $124.99. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-124200 · ownership.xml · nonDerivative · entry 4

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 228,015

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.00 to $133.9343. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-124200 · ownership.xml · nonDerivative · entry 3

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 244,018

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.00 to $132.9988. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-124200 · ownership.xml · nonDerivative · entry 2

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 274,977

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $131.00 to $131.9942. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-124200 · ownership.xml · nonDerivative · entry 1

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 281,939

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $130.0692 to $130.97. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-102496 · ownership.xml · nonDerivative · entry 7

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 286,015

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.00 to 134.23. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-102496 · ownership.xml · nonDerivative · entry 6

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 290,160

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.18 to 133.99. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-102496 · ownership.xml · nonDerivative · entry 5

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 298,115

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.00 to $132.96. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-102496 · ownership.xml · nonDerivative · entry 4

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 299,715

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $131.00 to 131.94. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-102496 · ownership.xml · nonDerivative · entry 3

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 313,762

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $130.05 to $130.99. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-102496 · ownership.xml · nonDerivative · entry 2

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 331,615

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.06 to $129.76. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-102496 · ownership.xml · nonDerivative · entry 1

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 340,915

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.44 to $128.99. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-098642 · ownership.xml · nonDerivative · entry 1

Mertz Elinor · CIK 0001938411 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 398,108.681

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on May 30, 2025.

SEC source: 0001193125-26-091777 · ownership.xml · nonDerivative · entry 1

Mertz Elinor · CIK 0001938411 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 402,416.681

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on May 30, 2025.

SEC source: 0001193125-26-071768 · ownership.xml · nonDerivative · entry 9

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 344,015

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

SEC source: 0001193125-26-071768 · ownership.xml · nonDerivative · entry 8

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 344,115

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.71 to $127.77. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-071768 · ownership.xml · nonDerivative · entry 7

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 344,515

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

SEC source: 0001193125-26-071768 · ownership.xml · nonDerivative · entry 6

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 344,815

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.00 to $125.76. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-071768 · ownership.xml · nonDerivative · entry 5

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 347,115

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.02 to $124.87. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-071768 · ownership.xml · nonDerivative · entry 4

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 349,015

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.09 to $123.98. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-071768 · ownership.xml · nonDerivative · entry 3

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 350,015

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $122.00 to $122.97. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-071768 · ownership.xml · nonDerivative · entry 2

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 376,421

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $121.00 to $121.995. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-071768 · ownership.xml · nonDerivative · entry 1

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 389,615

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 29, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $120.03 to $120.94. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, 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 range set forth in this footnote.

SEC source: 0001193125-26-067831 · ownership.xml · derivative · entry 6

Chesky Brian · CIK 0001834152 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By 2019 Trust A

Disclosed balance after: 0

Underlying: Class A Common Stock · 251,886 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: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001193125-26-067831 · ownership.xml · derivative · entry 5

Chesky Brian · CIK 0001834152 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By 2019 Trust

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,254 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: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001193125-26-067831 · ownership.xml · nonDerivative · entry 2

Chesky Brian · CIK 0001834152 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By 2019 Trust A

Disclosed balance after: 251,886

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: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.