TTAN

SEC source: 0001638826-25-000039 · form4.xml · nonDerivative · entry 10

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 2025.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.89 to $105.94. 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: 0001638826-25-000039 · form4.xml · nonDerivative · entry 9

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 165.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.89 to $105.88. 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: 0001638826-25-000039 · form4.xml · nonDerivative · entry 8

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,489.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $103.89 to $104.88. 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: 0001638826-25-000039 · form4.xml · nonDerivative · entry 7

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,175.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $102.89 to $103.88. 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: 0001638826-25-000039 · form4.xml · nonDerivative · entry 6

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,715.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $101.89 to $102.88. 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: 0001638826-25-000039 · form4.xml · nonDerivative · entry 5

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,388.25

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: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

SEC source: 0001638826-25-000039 · form4.xml · derivative · entry 11

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,440,357

Underlying: Class A Common Stock · 16,388 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.

F11 · derivative.exercise_price: The Class B common stock is convertible into an equal number of shares of Class A common stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F11 · derivative.exercise_date: The Class B common stock is convertible into an equal number of shares of Class A common stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F11 · derivative.expiration_date: The Class B common stock is convertible into an equal number of shares of Class A common stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F12 · balance_after: Reflects the December 15, 2025 transfer of 103,366 shares of Class B Common Stock from the VK 2024 GRAT to the Reporting Person in satisfaction of the final GRAT annuity payment owed to the Reporting Person and the subsequent transfer of 103,365 shares of Class B Common Stock to the VK 2025-2 GRAT for estate planning purposes.

SEC source: 0001638826-25-000039 · form4.xml · nonDerivative · entry 4

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $103.75 to $104.24. 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: 0001638826-25-000039 · form4.xml · nonDerivative · entry 3

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 603.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $102.75 to $103.74. 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: 0001638826-25-000039 · form4.xml · nonDerivative · entry 2

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,421.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $101.75 to $102.74. 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: 0001638826-25-000039 · form4.xml · nonDerivative · entry 1

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,388.25

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: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

SEC source: 0001638826-25-000037 · form4.xml · derivative · entry 11

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 4,427,021

Underlying: Class A Common Stock · 42,666 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.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

SEC source: 0001638826-25-000037 · form4.xml · nonDerivative · entry 9

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 0

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.62 to $108.85. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000037 · form4.xml · nonDerivative · entry 8

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 340

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $107.62 to $108.61. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000037 · form4.xml · nonDerivative · entry 7

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 5,314

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $106.62 to $107.61. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000037 · form4.xml · nonDerivative · entry 6

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 29,530

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $105.62 to $106.61. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000037 · form4.xml · nonDerivative · entry 5

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 42,666

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: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

SEC source: 0001638826-25-000037 · form4.xml · derivative · entry 10

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 4,469,687

Underlying: Class A Common Stock · 88,525 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.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

SEC source: 0001638826-25-000037 · form4.xml · nonDerivative · entry 4

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 0

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $108.48 to $109.10. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000037 · form4.xml · nonDerivative · entry 3

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 4,799

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $107.48 to $108.47. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000037 · form4.xml · nonDerivative · entry 2

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 47,316

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $106.48 to $107.47. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000037 · form4.xml · nonDerivative · entry 1

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 88,525

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: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

SEC source: 0001193125-25-314531 · ownership.xml · nonDerivative · entry 2

Deeter Byron B · CIK 0001506450 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F3 · shares: On December 9, 2025, BVP VIII, BVP VIII Inst and 15 Angels sold 23,609 shares, 28,393 shares and 1,268 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $109.17. These shares were sold in multiple transactions at prices ranging from $108.50 to $109.74. The reporting person undertakes to provide to 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 ranges set forth in this footnote.

F3 · price: On December 9, 2025, BVP VIII, BVP VIII Inst and 15 Angels sold 23,609 shares, 28,393 shares and 1,268 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $109.17. These shares were sold in multiple transactions at prices ranging from $108.50 to $109.74. The reporting person undertakes to provide to 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 ranges set forth in this footnote.

F4 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 2,669,673 shares, 3,210,670 shares, 143,395 shares and 189,399 shares of Class A Common Stock, respectively.

F2 · ownership.nature: The Reporting Person is a partner at Bessemer Venture Partners and has an indirect, passive economic interest in the shares held by the Bessemer Funds by virtue of his interest in (1) Deer VIII & Co. L.P., the general partner of the Bessemer Funds and (2) certain other indirect limited partnership interests in certain of the Bessemer Funds. The Reporting Person disclaims beneficial ownership of the securities held by the Bessemer Funds, except to the extent of his pecuniary interest, if any, in such securities by virtue of his indirect interest in the Bessemer Funds. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.

SEC source: 0001638826-25-000035 · form4.xml · nonDerivative · entry 1

O'Connor Michele · CIK 0001771322 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,248.5

SEC source: 0001193125-25-314531 · ownership.xml · nonDerivative · entry 1

Deeter Byron B · CIK 0001506450 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · shares: On December 8, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 74,901 shares, 90,080 shares and 4,023 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $107.72. These shares were sold in multiple transactions at prices ranging from $105.00 to $110.20. The reporting person undertakes to provide to 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 ranges set forth in this footnote.

F1 · price: On December 8, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 74,901 shares, 90,080 shares and 4,023 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $107.72. These shares were sold in multiple transactions at prices ranging from $105.00 to $110.20. The reporting person undertakes to provide to 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 ranges set forth in this footnote.

F2 · ownership.nature: The Reporting Person is a partner at Bessemer Venture Partners and has an indirect, passive economic interest in the shares held by the Bessemer Funds by virtue of his interest in (1) Deer VIII & Co. L.P., the general partner of the Bessemer Funds and (2) certain other indirect limited partnership interests in certain of the Bessemer Funds. The Reporting Person disclaims beneficial ownership of the securities held by the Bessemer Funds, except to the extent of his pecuniary interest, if any, in such securities by virtue of his indirect interest in the Bessemer Funds. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.

SEC source: 0001638826-25-000033 · form4.xml · nonDerivative · entry 6

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 343,452.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $93.35 to $94.07. 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: 0001638826-25-000033 · form4.xml · nonDerivative · entry 5

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 343,678.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $92.35 to $93.34. 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: 0001638826-25-000033 · form4.xml · nonDerivative · entry 4

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 344,010.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $91.35 to $92.34. 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: 0001638826-25-000033 · form4.xml · nonDerivative · entry 3

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 344,245.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $90.35 to $91.34. 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: 0001638826-25-000033 · form4.xml · nonDerivative · entry 2

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 344,285.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $90.32 to $90.79. 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: 0001638826-25-000033 · form4.xml · nonDerivative · entry 1

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 344,459.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.32 to $90.31. 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: 0001638826-25-000031 · form4.xml · nonDerivative · entry 7

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 345,118.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $86.02 to $86.38. 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: 0001638826-25-000031 · form4.xml · nonDerivative · entry 6

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 345,198.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $85.02 to $86.01. 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: 0001638826-25-000031 · form4.xml · nonDerivative · entry 5

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 345,881.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $84.02 to $85.01. 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: 0001638826-25-000031 · form4.xml · nonDerivative · entry 4

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 345,951.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $87.84 to $88.34. 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: 0001638826-25-000031 · form4.xml · nonDerivative · entry 3

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 346,004.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $86.84 to $87.83. 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: 0001638826-25-000031 · form4.xml · nonDerivative · entry 2

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 346,221.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $85.84 to $86.83. 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: 0001638826-25-000031 · form4.xml · nonDerivative · entry 1

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 346,446.75

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.84 to $85.83. 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: 0001638826-25-000029 · form4.xml · derivative · entry 11

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,456,745

Underlying: Class A Common Stock · 16,388 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.

F10 · derivative.exercise_price: The Class B common stock is convertible into an equal number of shares of Class A common stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F10 · derivative.exercise_date: The Class B common stock is convertible into an equal number of shares of Class A common stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F10 · derivative.expiration_date: The Class B common stock is convertible into an equal number of shares of Class A common stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

SEC source: 0001638826-25-000029 · form4.xml · nonDerivative · entry 9

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.98 to $93.73. 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: 0001638826-25-000029 · form4.xml · nonDerivative · entry 8

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,362.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $91.98 to $92.97. 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: 0001638826-25-000029 · form4.xml · nonDerivative · entry 7

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,232.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $90.98 to $91.97. 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: 0001638826-25-000029 · form4.xml · nonDerivative · entry 6

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,388.25

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: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

SEC source: 0001638826-25-000029 · form4.xml · derivative · entry 10

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,473,133

Underlying: Class A Common Stock · 16,388 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.

F10 · derivative.exercise_price: The Class B common stock is convertible into an equal number of shares of Class A common stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F10 · derivative.exercise_date: The Class B common stock is convertible into an equal number of shares of Class A common stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F10 · derivative.expiration_date: The Class B common stock is convertible into an equal number of shares of Class A common stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

SEC source: 0001638826-25-000029 · form4.xml · nonDerivative · entry 5

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $93.78 to $94.30. 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: 0001638826-25-000029 · form4.xml · nonDerivative · entry 4

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 222.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $92.78 to $93.77. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001638826-25-000029 · form4.xml · nonDerivative · entry 3

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,821.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $91.78 to $92.77. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001638826-25-000029 · form4.xml · nonDerivative · entry 2

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,602.25

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on April 15, 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 $90.78 to $91.77. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001638826-25-000029 · form4.xml · nonDerivative · entry 1

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,388.25

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: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

SEC source: 0001638826-25-000027 · form4.xml · derivative · entry 10

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By the AMKE Trust dated February 1, 2019

Disclosed balance after: 4,558,212

Underlying: Class A Common Stock · 46,542 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.

F9 · derivative.exercise_price: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F9 · derivative.exercise_date: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

F9 · derivative.expiration_date: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.