TTAN

SEC source: 0001638826-26-000002 · form4.xml · nonDerivative · entry 7

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0.75

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: These shares were sold in one transaction at $103.15.

SEC source: 0001638826-26-000002 · form4.xml · nonDerivative · entry 6

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26.75

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 $102.15 to $103.14. 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: 0001638826-26-000002 · form4.xml · nonDerivative · entry 5

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,719.75

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 $101.15 to $102.14. 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: 0001638826-26-000002 · form4.xml · nonDerivative · entry 4

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,993.75

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 $100.15 to $101.14. 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: 0001638826-26-000002 · form4.xml · nonDerivative · entry 3

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,957.75

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 $99.15 to $100.14. 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: 0001638826-26-000002 · form4.xml · nonDerivative · entry 2

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,924.75

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 $98.15 to $99.14. 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: 0001638826-26-000002 · form4.xml · nonDerivative · entry 1

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,388.75

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: 0001638826-25-000051 · form4.xml · derivative · entry 4

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Indirect · By the K-A Family Trust dated December 6, 2021

Disclosed balance after: 5,503,365

Underlying: Class A Common Stock · 9,700 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.

F3 · 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 K-A Family Trust dated December 6, 2021.

F3 · 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.

F3 · 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: 0001638826-25-000051 · form4.xml · nonDerivative · entry 2

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Indirect · By the K-A Family Trust dated December 6, 2021

Disclosed balance after: 0

F2 · kind: The transaction reported involved a gift by the K-A Family Trust dated December 6, 2021 of 9,700 shares of Class A Common Stock to a donor advised fund.

SEC source: 0001638826-25-000051 · form4.xml · nonDerivative · entry 1

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Indirect · By the K-A Family Trust dated December 6, 2021

Disclosed balance after: 9,700

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 K-A Family Trust dated December 6, 2021.

SEC source: 0001638826-25-000049 · form4.xml · derivative · entry 4

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

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

Disclosed balance after: 4,408,021

Underlying: Class A Common Stock · 19,000 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.

F3 · 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 AMKE Trust dated February 1, 2019.

F3 · 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.

F3 · 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: 0001638826-25-000049 · form4.xml · nonDerivative · entry 2

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F2 · kind: The transaction reported involved a gift by the AMKE Trust dated February 1, 2019 of 19,000 shares of Class A Common Stock to a donor-advised fund.

SEC source: 0001638826-25-000049 · form4.xml · nonDerivative · entry 1

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

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

Disclosed balance after: 19,000

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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the AMKE Trust dated February 1, 2019.

SEC source: 0001193125-25-331096 · 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 22, 2025, BVP VIII, BVP VIII Inst and 15 Angels sold 36,689 shares, 44,125 shares and 1,971 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $109.82. These shares were sold in multiple transactions at prices ranging from $108.54 to $110.53. 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 22, 2025, BVP VIII, BVP VIII Inst and 15 Angels sold 36,689 shares, 44,125 shares and 1,971 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $109.82. These shares were sold in multiple transactions at prices ranging from $108.54 to $110.53. 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 2,579,259 shares, 3,102,150 shares, 138,549 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: 0001193125-25-331096 · 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 19, 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 49,593 shares, 59,643 shares and 2,663 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $109.12. These shares were sold in multiple transactions at prices ranging from $108.50 to $109.95. 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 19, 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 49,593 shares, 59,643 shares and 2,663 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $109.12. These shares were sold in multiple transactions at prices ranging from $108.50 to $109.95. 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: 0001193125-25-327090 · 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 18, 2025, BVP VIII, BVP VIII Inst and 15 Angels sold 2,052 shares, 2,467 shares and 110 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $108.69. These shares were sold in multiple transactions at prices ranging from $108.50 to $108.75. 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 18, 2025, BVP VIII, BVP VIII Inst and 15 Angels sold 2,052 shares, 2,467 shares and 110 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $108.69. These shares were sold in multiple transactions at prices ranging from $108.50 to $108.75. 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 2,665,721 shares, 3,205,918 shares, 143,183 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: 0001638826-25-000043 · form4.xml · nonDerivative · entry 7

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 331,780.75

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.31 to $108.91. 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: 0001638826-25-000043 · form4.xml · nonDerivative · entry 6

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 332,106.25

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.31 to $108.30. 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: 0001638826-25-000043 · form4.xml · nonDerivative · entry 5

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 332,890.75

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.31 to $107.30. 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: 0001638826-25-000043 · form4.xml · nonDerivative · entry 4

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 336,977.25

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.31 to $106.30. 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: 0001638826-25-000043 · form4.xml · nonDerivative · entry 3

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 337,725.75

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.31 to $105.30. 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: 0001638826-25-000043 · form4.xml · nonDerivative · entry 2

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 339,302

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.31 to $104.30. 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: 0001638826-25-000043 · form4.xml · nonDerivative · entry 1

Sherry David · CIK 0002045642 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 340,315.25

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.31 to $103.30. 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: 0001638826-25-000047 · form4.xml · derivative · entry 9

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,420,931

Underlying: Class A Common Stock · 3,039 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: 0001638826-25-000047 · form4.xml · nonDerivative · entry 8

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0.75

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.31 to $108.91. 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: 0001638826-25-000047 · form4.xml · nonDerivative · entry 7

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85.5

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.31 to $108.30. 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: 0001638826-25-000047 · form4.xml · nonDerivative · entry 6

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 289.75

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.31 to $107.30. 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: 0001638826-25-000047 · form4.xml · nonDerivative · entry 5

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,353.5

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.31 to $106.30. 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: 0001638826-25-000047 · form4.xml · nonDerivative · entry 4

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,548.5

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.31 to $105.30. 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: 0001638826-25-000047 · form4.xml · nonDerivative · entry 3

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,958.75

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.31 to $104.30. 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: 0001638826-25-000047 · form4.xml · nonDerivative · entry 2

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,222.5

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.31 to $103.30. 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: 0001638826-25-000047 · form4.xml · nonDerivative · entry 1

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,039.25

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: 0001638826-25-000045 · form4.xml · derivative · entry 9

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,283,644

Underlying: Class A Common Stock · 3,039 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: 0001638826-25-000045 · form4.xml · nonDerivative · entry 8

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0.5

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.31 to $108.91. 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: 0001638826-25-000045 · form4.xml · nonDerivative · entry 7

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85.25

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.31 to $108.30. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000045 · form4.xml · nonDerivative · entry 6

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 289.5

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.31 to $107.30. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000045 · form4.xml · nonDerivative · entry 5

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,353.25

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.31 to $106.30. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000045 · form4.xml · nonDerivative · entry 4

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,548.25

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.31 to $105.30. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000045 · form4.xml · nonDerivative · entry 3

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,958.5

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.31 to $104.30. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000045 · form4.xml · nonDerivative · entry 2

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,222.25

F2 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.31 to $103.30. 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 with the range set forth in this footnote.

SEC source: 0001638826-25-000045 · form4.xml · nonDerivative · entry 1

Mahdessian Ara · CIK 0001908788 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,039

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: 0001638826-25-000041 · form4.xml · nonDerivative · entry 7

O'Connor Michele · CIK 0001771322 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,570.75

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.31 to $108.91. 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: 0001638826-25-000041 · form4.xml · nonDerivative · entry 6

O'Connor Michele · CIK 0001771322 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,617.5

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.31 to $108.30. 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: 0001638826-25-000041 · form4.xml · nonDerivative · entry 5

O'Connor Michele · CIK 0001771322 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,730.25

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.31 to $107.30. 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: 0001638826-25-000041 · form4.xml · nonDerivative · entry 4

O'Connor Michele · CIK 0001771322 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,317.75

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.31 to $106.30. 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: 0001638826-25-000041 · form4.xml · nonDerivative · entry 3

O'Connor Michele · CIK 0001771322 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,425.25

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.31 to $105.30. 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: 0001638826-25-000041 · form4.xml · nonDerivative · entry 2

O'Connor Michele · CIK 0001771322 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,651.75

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.31 to $104.30. 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: 0001638826-25-000041 · form4.xml · nonDerivative · entry 1

O'Connor Michele · CIK 0001771322 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,797.5

F1 · kind: Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.31 to $103.30. 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: 0001193125-25-327090 · 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 17, 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 1,900 shares, 2,285 shares and 102 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $108.69. These shares were sold in multiple transactions at prices ranging from $108.50 to $108.94. 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 17, 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 1,900 shares, 2,285 shares and 102 shares of Class A Common Stock of the Issuer, respectively. These shares were sold at a weighted average price of $108.69. These shares were sold in multiple transactions at prices ranging from $108.50 to $108.94. 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: 0001638826-25-000039 · form4.xml · derivative · entry 12

Kuzoyan Vahe · CIK 0001908757 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,423,970

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.