DUOL

SEC source: 0001562088-23-000214 · wk-form4_1698956976.xml · nonDerivative · entry 1

Hacker Severin · CIK 0001870272 · Director · Chief Tech Officer, Co-Founder · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 10,000

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

F1 · ownership.nature: Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.

SEC source: 0001562088-23-000215 · wk-form4_1698956990.xml · derivative · entry 6

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 170,163

Underlying: Class A Common Stock · 8,000 shares

Expires 2030-03-10

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.

F6 · derivative.exercise_date: 25% of the shares subject to the option vest on the first anniversary measured from February 24, 2020 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

SEC source: 0001562088-23-000215 · wk-form4_1698956990.xml · nonDerivative · entry 5

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,141

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2023.

F5 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $147.64 to $148.55, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

SEC source: 0001562088-23-000215 · wk-form4_1698956990.xml · nonDerivative · entry 4

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,901

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2023.

F4 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $146.49 to $147.47, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

SEC source: 0001562088-23-000215 · wk-form4_1698956990.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,975

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2023.

F3 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $145.45 to $146.44, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

SEC source: 0001562088-23-000215 · wk-form4_1698956990.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,241

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2023.

F2 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $144.40 to $145.20, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

SEC source: 0001562088-23-000215 · wk-form4_1698956990.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,141

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: 0001562088-23-000210 · wk-form4_1698871590.xml · derivative · entry 3

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,896

Underlying: Class A Common Stock · 15,000 shares

Expires 2025-02-27

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.

F1 · derivative.exercise_date: The shares subject to the option are fully vested and exercisable.

SEC source: 0001562088-23-000210 · wk-form4_1698871590.xml · nonDerivative · entry 1

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,164

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: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 12

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,733,688

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 11

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,734,688

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 10

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,735,688

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 9

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,736,200

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 8

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,736,852

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 7

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,737,466

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 6

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,752,466

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 5

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,754,954

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 4

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,763,688

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 3

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,772,617

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 2

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,775,784

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-053562 · doc4.xml · nonDerivative · entry 1

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,788,135

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-052643 · doc4.xml · nonDerivative · entry 1

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,804,323

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-052017 · doc4.xml · nonDerivative · entry 1

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,834,323

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001562088-23-000205 · wk-form4_1696536841.xml · derivative · entry 8

Hacker Severin · CIK 0001870272 · Director · Chief Tech Officer, Co-Founder · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 3,084,917

Underlying: Class A Common Stock · 10,000 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.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation, (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding, and (iii) the death of the Reporting Person.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation, (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding, and (iii) the death of the Reporting Person.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation, (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding, and (iii) the death of the Reporting Person.

F1 · ownership.nature: Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.

SEC source: 0001562088-23-000205 · wk-form4_1696536841.xml · nonDerivative · entry 6

Hacker Severin · CIK 0001870272 · Director · Chief Tech Officer, Co-Founder · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 0

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 2, 2023.

F1 · ownership.nature: Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.

SEC source: 0001562088-23-000205 · wk-form4_1696536841.xml · nonDerivative · entry 5

Hacker Severin · CIK 0001870272 · Director · Chief Tech Officer, Co-Founder · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 100

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 2, 2023.

F6 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $166.86 to $167.20, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F1 · ownership.nature: Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.

SEC source: 0001562088-23-000205 · wk-form4_1696536841.xml · nonDerivative · entry 4

Hacker Severin · CIK 0001870272 · Director · Chief Tech Officer, Co-Founder · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 600

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 2, 2023.

F5 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $165.31 to $166.14, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F1 · ownership.nature: Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.

SEC source: 0001562088-23-000205 · wk-form4_1696536841.xml · nonDerivative · entry 3

Hacker Severin · CIK 0001870272 · Director · Chief Tech Officer, Co-Founder · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 5,310

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 2, 2023.

F4 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $164.31 to $165.28, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F1 · ownership.nature: Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.

SEC source: 0001562088-23-000205 · wk-form4_1696536841.xml · nonDerivative · entry 2

Hacker Severin · CIK 0001870272 · Director · Chief Tech Officer, Co-Founder · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 8,683

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 2, 2023.

F3 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $163.29 to $164.25, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F1 · ownership.nature: Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.

SEC source: 0001562088-23-000205 · wk-form4_1696536841.xml · nonDerivative · entry 1

Hacker Severin · CIK 0001870272 · Director · Chief Tech Officer, Co-Founder · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 10,000

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

F1 · ownership.nature: Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.

SEC source: 0001562088-23-000207 · wk-form4_1696536943.xml · derivative · entry 6

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 178,163

Underlying: Class A Common Stock · 8,000 shares

Expires 2030-03-10

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.

F6 · derivative.exercise_date: 25% of the shares subject to the option vest on the first anniversary measured from February 24, 2020 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

SEC source: 0001562088-23-000207 · wk-form4_1696536943.xml · nonDerivative · entry 5

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,141

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2023.

F5 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $166.88 to $167.75, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

SEC source: 0001562088-23-000207 · wk-form4_1696536943.xml · nonDerivative · entry 4

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,542

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2023.

F4 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $165.43 to $166.27, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

SEC source: 0001562088-23-000207 · wk-form4_1696536943.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,497

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2023.

F3 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $164.43 to $165.40, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

SEC source: 0001562088-23-000207 · wk-form4_1696536943.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,654

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2023.

F2 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $163.39 to $164.36, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

SEC source: 0001562088-23-000207 · wk-form4_1696536943.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 64,141

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: 0001562088-23-000203 · wk-form4_1696279421.xml · nonDerivative · entry 1

Meese Robert · CIK 0001869668 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 194,104

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on September 13, 2022.

F2 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $170.00 to $170.49, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

SEC source: 0001209191-23-051125 · doc4.xml · nonDerivative · entry 8

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,844,297

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-051125 · doc4.xml · nonDerivative · entry 7

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,849,904

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-051125 · doc4.xml · nonDerivative · entry 6

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,873,133

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-051125 · doc4.xml · nonDerivative · entry 5

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,876,751

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-051125 · doc4.xml · nonDerivative · entry 4

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,876,851

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-051125 · doc4.xml · nonDerivative · entry 3

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,882,133

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-051125 · doc4.xml · nonDerivative · entry 2

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,927,133

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001209191-23-051125 · doc4.xml · nonDerivative · entry 1

Durable Capital Partners LP · CIK 0001798849 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 1

Disclosed balance after: 3,928,133

F1 · ownership.nature: The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

SEC source: 0001562088-23-000201 · wk-form4_1695154721.xml · nonDerivative · entry 2

Hacker Severin · CIK 0001870272 · Director · Chief Tech Officer, Co-Founder · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F2 · balance_after: The Reporting Person filed a Form 4 on September 6, 2023 that incorrectly reported the number of shares of Class A and Class B common stock held by the SBH Trust dated March 10, 2023. The amount reported in Column 5 of Table I and Column 9 of Table II represents the number of Class A shares and Class B shares, respectively, held by the SBH Trust as of the date hereof.

F1 · ownership.nature: Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.

SEC source: 0001562088-23-000198 · wk-form4_1694569158.xml · derivative · entry 7

Chen Stephen C. · CIK 0001869758 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 43,334

Underlying: Class A Common Stock · 8,842 shares

Expires 2030-03-10

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

F4 · derivative.exercise_date: 25% of the shares subject to the option vest on the first anniversary measured from March 2, 2020 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

SEC source: 0001562088-23-000198 · wk-form4_1694569158.xml · nonDerivative · entry 5

Chen Stephen C. · CIK 0001869758 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 36,021

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 5, 2023.

SEC source: 0001562088-23-000198 · wk-form4_1694569158.xml · nonDerivative · entry 4

Chen Stephen C. · CIK 0001869758 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 36,121

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 5, 2023.

F3 · price: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $160.00 to $160.77, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

SEC source: 0001562088-23-000198 · wk-form4_1694569158.xml · nonDerivative · entry 3

Chen Stephen C. · CIK 0001869758 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,863

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.