ABNB

SEC source: 0001193125-26-369139 · ownership.xml · nonDerivative · entry 9

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 20,567

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

SEC source: 0001193125-26-369139 · ownership.xml · nonDerivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 179,567

F2 · kind: The sales and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 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 $191.00 to $191.26. 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: 0001193125-26-369139 · ownership.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 182,341

F2 · kind: The sales and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 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 $190.00 to $190.99. 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: 0001193125-26-369139 · 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: 382,219

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: 0001193125-26-369145 · ownership.xml · derivative · entry 4

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 23,715,380

Underlying: Class A Common Stock · 960,000 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: 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: 0001193125-26-369145 · ownership.xml · nonDerivative · entry 2

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 215

SEC source: 0001193125-26-369145 · ownership.xml · nonDerivative · entry 1

Gebbia Joseph · CIK 0001834171 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 960,215

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: 0001193125-26-369139 · ownership.xml · derivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 44,858,019

Underlying: Class A Common Stock · 150,640 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: 0001193125-26-369139 · 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: 20,567

F2 · kind: The sales and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 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 $193.03 to $193.40. 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: 0001193125-26-369139 · 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: 25,464

F2 · kind: The sales and gift 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 $192.18 to $192.995. 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: 0001193125-26-369139 · 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: 50,027

F2 · kind: The sales and gift 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 $191.025 to $191.94. 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: 0001193125-26-369139 · 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: 73,152

F2 · kind: The sales and gift 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 $190.00 to $190.94. 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: 0001193125-26-369139 · 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: 171,207

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: 0001193125-26-361410 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 74,808.445

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: 0001193125-26-361412 · ownership.xml · nonDerivative · entry 1

Bernstein David C · CIK 0001288881 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,513.054

SEC source: 0001193125-26-361410 · ownership.xml · derivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 45,008,659

Underlying: Class A Common Stock · 450 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: 0001193125-26-361410 · 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: 20,567

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: 0001193125-26-361410 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 77,546.445

SEC source: 0001193125-26-361408 · ownership.xml · nonDerivative · entry 1

Mertz Elinor · CIK 0001938411 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 434,600.778

SEC source: 0001193125-26-357265 · ownership.xml · derivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 45,009,109

Underlying: Class A Common Stock · 17,692 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: 0001193125-26-357265 · 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: 20,117

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

SEC source: 0001193125-26-357265 · 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: 24,194

F2 · kind: The gift and 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 $183.18 to $183.715. 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: 0001193125-26-357265 · 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: 28,676

F2 · kind: The gift and 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 $182.02 to $182.95. 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: 0001193125-26-357265 · 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: 37,809

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: 0001790330-26-000007 · form4.xml · derivative · entry 8

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital Fund Parallel, LLC

Disclosed balance after: 1,357,197

Underlying: Class A Common Stock · 538,086 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 Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F1 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F1 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F1 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of Sequoia Capital Fund, LP ("SCF") and the managing member of Sequoia Capital Fund Parallel, LLC ("SCFP"). As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001790330-26-000007 · form4.xml · derivative · entry 7

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital Fund, LP

Disclosed balance after: 11,371,457

Underlying: Class A Common Stock · 4,105,236 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 Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F1 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F1 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F1 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of Sequoia Capital Fund, LP ("SCF") and the managing member of Sequoia Capital Fund Parallel, LLC ("SCFP"). As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001790330-26-000007 · form4.xml · nonDerivative · entry 5

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By estate planning vehicle

Disclosed balance after: 620,319

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent pro rata in-kind distributions by general partners or managing members to their respective partners or members for no consideration.

SEC source: 0001790330-26-000007 · form4.xml · nonDerivative · entry 4

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital Fund Parallel, LLC

Disclosed balance after: 38,992

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent pro rata in-kind distributions by general partners or managing members to their respective partners or members for no consideration.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of Sequoia Capital Fund, LP ("SCF") and the managing member of Sequoia Capital Fund Parallel, LLC ("SCFP"). As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001790330-26-000007 · form4.xml · nonDerivative · entry 3

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital Fund Parallel, LLC

Disclosed balance after: 580,480

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 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of Sequoia Capital Fund, LP ("SCF") and the managing member of Sequoia Capital Fund Parallel, LLC ("SCFP"). As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001790330-26-000007 · form4.xml · nonDerivative · entry 2

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital Fund, LP

Disclosed balance after: 468,272

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent pro rata in-kind distributions by general partners or managing members to their respective partners or members for no consideration.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of Sequoia Capital Fund, LP ("SCF") and the managing member of Sequoia Capital Fund Parallel, LLC ("SCFP"). As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001790330-26-000007 · form4.xml · nonDerivative · entry 1

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital Fund, LP

Disclosed balance after: 4,573,508

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 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of Sequoia Capital Fund, LP ("SCF") and the managing member of Sequoia Capital Fund Parallel, LLC ("SCFP"). As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001193125-26-349303 · ownership.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 45,026,801

Underlying: Class A Common Stock · 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.

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: 0001193125-26-349303 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 20,117

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.

F2 · balance_after: Includes shares acquired in a pro-rata, distribution in-kind exempt from reporting pursuant to Rule 16a-9.

SEC source: 0001193125-26-345316 · ownership.xml · nonDerivative · entry 14

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 12,370

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

SEC source: 0001193125-26-345303 · ownership.xml · derivative · entry 3

CHENAULT KENNETH I · CIK 0001180524 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 8,346 shares

Expires 2028-11-27

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_date: The stock option is fully vested and currently exerciseable.

SEC source: 0001193125-26-345303 · ownership.xml · nonDerivative · entry 2

CHENAULT KENNETH I · CIK 0001180524 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,879

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: 0001193125-26-345303 · ownership.xml · nonDerivative · entry 1

CHENAULT KENNETH I · CIK 0001180524 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 49,225

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: 0001193125-26-345333 · ownership.xml · derivative · entry 16

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 136,131

Underlying: Class A Common Stock · 20,000 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: 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 15

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 5,854

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F16 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.00 to $178.28. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 14

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 6,564

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.00 to $177.98. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 8,745

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.00 to $176.98. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 12

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 10,099

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.00 to $175.97. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 15,946

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $174.05 to $174.98. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 10

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 19,568

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $173.04 to $173.87. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 9

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 20,914

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $172.14 to $172.98. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 21,203

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $171.43 to $171.58. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 21,339

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.81 to $170.88. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 21,477

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.025 to $169.40. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 22,579

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.09 to $168.46. 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: 0001193125-26-345333 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Indirect · By 2016 Legacy Trust B

Disclosed balance after: 22,944

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.63 to $167.69. 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.