DUOL

SEC source: 0001562088-24-000144 · wk-form4_1717619280.xml · nonDerivative · entry 6

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 89,697

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 $196.95 to $197.92, 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: 0001562088-24-000144 · wk-form4_1717619280.xml · nonDerivative · entry 5

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 90,873

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 $195.95 to $196.94, 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: 0001562088-24-000144 · wk-form4_1717619280.xml · nonDerivative · entry 4

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 91,465

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

SEC source: 0001562088-24-000144 · wk-form4_1717619280.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 91,565

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 $193.48 to $194.40, 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: 0001562088-24-000144 · wk-form4_1717619280.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 92,909

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 $192.31 to $193.26, 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: 0001562088-24-000144 · wk-form4_1717619280.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 94,709

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: 0001562088-24-000137 · wk-form4_1716326237.xml · derivative · entry 3

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,396

Underlying: Class A Common Stock · 10,000 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: 0001562088-24-000137 · wk-form4_1716326237.xml · nonDerivative · entry 1

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,782

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: 0001562088-24-000134 · wk-form4_1716237152.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 86,709

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 5, 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 $178.56 to $178.655, 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: 0001562088-24-000134 · wk-form4_1716237152.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 86,909

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 $177.56 to $178.55, 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: 0001562088-24-000134 · wk-form4_1716237152.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 87,403

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 5, 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 $176.55 to $177.54, 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: 0001562088-24-000130 · wk-form4_1715894209.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,407

F2 · shares: Constitute Restricted Stock Units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Issuer's Class A Common Stock for each RSU upon vesting. 1/16th of the RSUs shall vest on each quarterly anniversary of May 15, 2024.

SEC source: 0001562088-24-000130 · wk-form4_1715894209.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,054

F1 · kind: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

SEC source: 0001562088-24-000131 · wk-form4_1715894227.xml · nonDerivative · entry 2

Meese Robert · CIK 0001869668 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,496

F2 · shares: Constitute Restricted Stock Units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Issuer's Class A Common Stock for each RSU upon vesting. 1/16th of the RSUs shall vest on each quarterly anniversary of May 15, 2024.

SEC source: 0001562088-24-000131 · wk-form4_1715894227.xml · nonDerivative · entry 1

Meese Robert · CIK 0001869668 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 155,290

F1 · kind: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

SEC source: 0001562088-24-000128 · wk-form4_1715894167.xml · nonDerivative · entry 2

Chen Stephen C. · CIK 0001869758 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,174

F2 · shares: Constitute Restricted Stock Units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Issuer's Class A Common Stock for each RSU upon vesting. 1/16th of the RSUs shall vest on each quarterly anniversary of May 15, 2024.

SEC source: 0001562088-24-000128 · wk-form4_1715894167.xml · nonDerivative · entry 1

Chen Stephen C. · CIK 0001869758 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,057

F1 · kind: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

SEC source: 0001562088-24-000129 · wk-form4_1715894185.xml · nonDerivative · entry 2

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,782

F2 · shares: Constitute Restricted Stock Units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Issuer's Class A Common Stock for each RSU upon vesting. 1/16th of the RSUs shall vest on each quarterly anniversary of May 15, 2024.

SEC source: 0001562088-24-000129 · wk-form4_1715894185.xml · nonDerivative · entry 1

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,547

F1 · kind: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

SEC source: 0001562088-24-000104 · wk-form4_1715113141.xml · nonDerivative · entry 5

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 123,005

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on September 5, 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 $250.02 to $250.41, 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: 0001562088-24-000104 · wk-form4_1715113141.xml · nonDerivative · entry 4

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 123,305

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on September 5, 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 $248.34 to $248.57, 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: 0001562088-24-000104 · wk-form4_1715113141.xml · nonDerivative · entry 3

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 123,605

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on September 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 $247.33 to $248.16, 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: 0001562088-24-000104 · wk-form4_1715113141.xml · nonDerivative · entry 2

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 124,105

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on September 5, 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 $246.18 to $247.10, 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: 0001562088-24-000104 · wk-form4_1715113141.xml · nonDerivative · entry 1

Glance Natalie · CIK 0001870350 · Chief Engineering Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 124,405

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

SEC source: 0001562088-24-000102 · wk-form4_1714779557.xml · derivative · entry 15

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 3,004,917

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.

F15 · 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.

F15 · 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.

F15 · 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: 0001562088-24-000102 · wk-form4_1714779557.xml · nonDerivative · entry 13

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.

F14 · 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 $231.50 to $231.72, 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: 0001562088-24-000102 · wk-form4_1714779557.xml · nonDerivative · entry 12

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 200

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

F13 · 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 $230.14 to $230.89, 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: 0001562088-24-000102 · wk-form4_1714779557.xml · nonDerivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 800

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

F12 · 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 $229.09 to $230.05, 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: 0001562088-24-000102 · wk-form4_1714779557.xml · nonDerivative · entry 10

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 1,400

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

F11 · 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 $227.98 to $228.82, 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: 0001562088-24-000102 · wk-form4_1714779557.xml · nonDerivative · entry 9

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 1,600

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

F10 · 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 $226.52 to $227.35, 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: 0001562088-24-000102 · wk-form4_1714779557.xml · nonDerivative · 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: 2,000

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

F9 · 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 $225.36 to $226.31, 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: 0001562088-24-000102 · wk-form4_1714779557.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,900

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

F8 · 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 $224.21 to $224.74, 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: 0001562088-24-000102 · wk-form4_1714779557.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: 3,200

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

F7 · 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 $223.16 to $224.11, 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: 0001562088-24-000102 · wk-form4_1714779557.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: 4,300

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 $222.16 to $334.14, 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: 0001562088-24-000102 · wk-form4_1714779557.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: 5,500

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 $221.07 to $222.06, 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: 0001562088-24-000102 · wk-form4_1714779557.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: 6,309

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 $220.00 to $220.94, 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: 0001562088-24-000102 · wk-form4_1714779557.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: 8,800

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 $218.95 to $219.89, 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: 0001562088-24-000102 · wk-form4_1714779557.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: 0001562088-24-000100 · wk-form4_1714779474.xml · derivative · entry 14

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 103,449

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.

F13 · derivative.exercise_date: The shares subject to the option are fully vested and exercisable.

SEC source: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 13

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 64,523

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

SEC source: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 12

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 64,623

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

F12 · 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 $230.27 to $230.80, 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: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 11

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,123

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

F11 · 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 $229.19 to $230.16, 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: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 10

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,623

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

F10 · 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 $227.35 to $227.66, 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: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 9

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,823

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

F9 · 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 $226.31 to $227.01, 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: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 8

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,023

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

F8 · 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 $225.31 to $226.27, 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: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 7

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,823

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

F7 · 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 $223.97 to $224.70, 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: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 6

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,323

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 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 $222.74 to $223.62, 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: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 5

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,757

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 $221.73 to $222.28, 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.

SEC source: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 4

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 69,257

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 $220.73 to $221.59, 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: 0001562088-24-000100 · wk-form4_1714779474.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 70,134

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 $219.69 to $220.66, 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.