SEAT

SEC source: 0001193125-26-391941 · ownership.xml · nonDerivative · entry 3

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,117

F2 · shares: Represents shares sold pursuant to a mandatory "sell to cover" provision of the RSU agreement to satisfy tax withholding obligations arising in connection with the vesting and settlement of the RSUs.

SEC source: 0001193125-26-391943 · ownership.xml · derivative · entry 5

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,132

Underlying: Class A Common Stock · 38,226 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

F4 · derivative.expiration_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391943 · ownership.xml · derivative · entry 4

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,692

Underlying: Class A Common Stock · 4,448 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

F3 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391943 · ownership.xml · derivative · entry 3

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,634

Underlying: Class A Common Stock · 1,817 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

F2 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391943 · ownership.xml · nonDerivative · entry 2

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,985

SEC source: 0001193125-26-391943 · ownership.xml · nonDerivative · entry 1

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,247

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-391946 · ownership.xml · derivative · entry 3

Thomas Joseph D. Jr. · CIK 0002108719 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,566

Underlying: Class A Common Stock · 19,113 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: One-eighth of the RSUs vested on the grant date. The remainder of the RSUs began vesting in equal quarterly installments on June 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

F2 · derivative.expiration_date: One-eighth of the RSUs vested on the grant date. The remainder of the RSUs began vesting in equal quarterly installments on June 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391946 · ownership.xml · nonDerivative · entry 2

Thomas Joseph D. Jr. · CIK 0002108719 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,778

SEC source: 0001193125-26-391946 · ownership.xml · nonDerivative · entry 1

Thomas Joseph D. Jr. · CIK 0002108719 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,725

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-391945 · ownership.xml · derivative · entry 5

Pickus Edward · CIK 0001891435 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,005

Underlying: Class A Common Stock · 8,601 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

F4 · derivative.expiration_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391945 · ownership.xml · derivative · entry 4

Pickus Edward · CIK 0001891435 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,898

Underlying: Class A Common Stock · 1,483 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

F3 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391945 · ownership.xml · derivative · entry 3

Pickus Edward · CIK 0001891435 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,616

Underlying: Class A Common Stock · 808 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

F2 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391945 · ownership.xml · nonDerivative · entry 2

Pickus Edward · CIK 0001891435 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,622

SEC source: 0001193125-26-391945 · ownership.xml · nonDerivative · entry 1

Pickus Edward · CIK 0001891435 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,792

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-391941 · ownership.xml · derivative · entry 6

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,724

Underlying: Class A Common Stock · 3,345 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F5 · derivative.exercise_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

F5 · derivative.expiration_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391941 · ownership.xml · derivative · entry 5

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 780

Underlying: Class A Common Stock · 130 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

F4 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391941 · ownership.xml · derivative · entry 4

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136

Underlying: Class A Common Stock · 68 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

F3 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391941 · ownership.xml · nonDerivative · entry 2

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,181

SEC source: 0001193125-26-391941 · ownership.xml · nonDerivative · entry 1

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,428

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-391942 · ownership.xml · derivative · entry 4

Fey Lawrence · CIK 0001880290 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 382,263

Underlying: Class A Common Stock · 76,452 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

F4 · derivative.expiration_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391942 · ownership.xml · derivative · entry 3

Fey Lawrence · CIK 0001880290 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,485

Underlying: Class A Common Stock · 7,414 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

F3 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391942 · ownership.xml · derivative · entry 2

Fey Lawrence · CIK 0001880290 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,076

Underlying: Class A Common Stock · 4,038 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

F2 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-391942 · ownership.xml · nonDerivative · entry 1

Fey Lawrence · CIK 0001880290 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 364,945

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-352277 · ownership.xml · nonDerivative · entry 2

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,885

F2 · shares: Represents shares sold pursuant to a mandatory "sell to cover" provision of the RSU agreement to satisfy tax withholding obligations arising in connection with the vesting and settlement of the RSUs.

SEC source: 0001193125-26-352278 · ownership.xml · derivative · entry 3

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,962

Underlying: Class A Common Stock · 592 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: One-third of the RSUs vested on November 12, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on November 12, 2027. The RSUs do not have an expiration date.

F2 · derivative.expiration_date: One-third of the RSUs vested on November 12, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on November 12, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-352278 · ownership.xml · nonDerivative · entry 2

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,756

SEC source: 0001193125-26-352278 · ownership.xml · nonDerivative · entry 1

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,977

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-352283 · ownership.xml · derivative · entry 2

Fey Lawrence · CIK 0001880290 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,564

Underlying: Class A Common Stock · 1,854 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: One-third of the RSUs vested on May 12, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on May 12, 2027. The RSUs do not have an expiration date.

F2 · derivative.expiration_date: One-third of the RSUs vested on May 12, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on May 12, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-352283 · ownership.xml · nonDerivative · entry 1

Fey Lawrence · CIK 0001880290 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 277,041

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-352277 · ownership.xml · derivative · entry 3

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 31 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: One-third of the RSUs vested on August 12, 2024. The remainder of the RSUs vested in equal quarterly installments such that they fully vested on August 12, 2026. The RSUs do not have an expiration date.

F3 · derivative.expiration_date: One-third of the RSUs vested on August 12, 2024. The remainder of the RSUs vested in equal quarterly installments such that they fully vested on August 12, 2026. The RSUs do not have an expiration date.

SEC source: 0001193125-26-352277 · ownership.xml · nonDerivative · entry 1

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,896

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-271104 · ownership.xml · nonDerivative · entry 3

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,865

F2 · shares: Represents shares sold pursuant to a mandatory "sell to cover" provision of the RSU agreement to satisfy tax withholding obligations arising in connection with the vesting and settlement of the RSUs.

SEC source: 0001193125-26-271110 · ownership.xml · derivative · entry 5

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 229,358

Underlying: Class A Common Stock · 38,226 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

F4 · derivative.expiration_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-271110 · ownership.xml · derivative · entry 4

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,140

Underlying: Class A Common Stock · 4,448 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

F3 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

SEC source: 0001193125-26-271110 · ownership.xml · derivative · entry 3

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,451

Underlying: Class A Common Stock · 1,817 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

F2 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-271110 · ownership.xml · nonDerivative · entry 2

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,385

SEC source: 0001193125-26-271110 · ownership.xml · nonDerivative · entry 1

Langenbacher Stefano · CIK 0002015428 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,093

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-271106 · ownership.xml · derivative · entry 4

Fey Lawrence · CIK 0001880290 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 458,715

Underlying: Class A Common Stock · 76,453 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

F4 · derivative.expiration_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-271106 · ownership.xml · derivative · entry 3

Fey Lawrence · CIK 0001880290 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,899

Underlying: Class A Common Stock · 7,414 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

F3 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

SEC source: 0001193125-26-271106 · ownership.xml · derivative · entry 2

Fey Lawrence · CIK 0001880290 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,114

Underlying: Class A Common Stock · 4,038 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

F2 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-271106 · ownership.xml · nonDerivative · entry 1

Fey Lawrence · CIK 0001880290 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 275,187

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-271104 · ownership.xml · derivative · entry 6

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,069

Underlying: Class A Common Stock · 3,345 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F5 · derivative.exercise_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

F5 · derivative.expiration_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-271104 · ownership.xml · derivative · entry 5

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 910

Underlying: Class A Common Stock · 129 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

F4 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2026. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2028. The RSUs do not have an expiration date.

SEC source: 0001193125-26-271104 · ownership.xml · derivative · entry 4

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 204

Underlying: Class A Common Stock · 68 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

F3 · derivative.expiration_date: One-third of the RSUs vested on March 11, 2025. The remainder of the RSUs vest in equal quarterly installments such that they will be fully vested on March 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-271104 · ownership.xml · nonDerivative · entry 2

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,927

SEC source: 0001193125-26-271104 · ownership.xml · nonDerivative · entry 1

Arnett Austin · CIK 0002098581 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,241

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-271105 · ownership.xml · derivative · entry 3

Thomas Joseph D. Jr. · CIK 0002108719 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,679

Underlying: Class A Common Stock · 19,113 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: One-eighth of the RSUs vested on the grant date. The remainder of the RSUs vest in equal quarterly installments beginning on June 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

F2 · derivative.expiration_date: One-eighth of the RSUs vested on the grant date. The remainder of the RSUs vest in equal quarterly installments beginning on June 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

SEC source: 0001193125-26-271105 · ownership.xml · nonDerivative · entry 2

Thomas Joseph D. Jr. · CIK 0002108719 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,612

SEC source: 0001193125-26-271105 · ownership.xml · nonDerivative · entry 1

Thomas Joseph D. Jr. · CIK 0002108719 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,266

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

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

SEC source: 0001193125-26-271102 · ownership.xml · derivative · entry 5

Pickus Edward · CIK 0001891435 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,606

Underlying: Class A Common Stock · 8,601 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.

F4 · derivative.expiration_date: The RSUs began vesting in equal quarterly installments on March 11, 2026 such that they will be fully vested on December 11, 2027. The RSUs do not have an expiration date.