PUBM

SEC source: 0001833511-26-000002 · form4-01062026_010113.xml · derivative · entry 9

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 312,851

Underlying: Class B Common Stock · 3,817 shares

Expires 2026-07-07

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.

F14 · derivative.exercise_date: The options are fully vested.

SEC source: 0001833511-26-000002 · form4-01062026_010113.xml · nonDerivative · entry 4

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F4 · security: Following the sales reported in this line item, Mr. Goel holds 2,362,194 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which certain of these shares were exercised expires on July 7, 2026.

F5 · kind: The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025.

F6 · shares: These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein.

F7 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $8.60 and the highest price at which shares were sold was $8.93. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein.

SEC source: 0001833511-26-000002 · form4-01062026_010113.xml · nonDerivative · entry 3

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,000

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.

F3 · price: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

SEC source: 0001833465-26-000002 · form4-01062026_010146.xml · nonDerivative · entry 3

Pantelick Steven · CIK 0001833465 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,685

F4 · kind: The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 28, 2025.

F5 · price: The price reported in this line item is a weighted average price. These shares were sold at prices ranging from $8.745 to $8.93, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein.

SEC source: 0001833511-26-000002 · form4-01062026_010113.xml · nonDerivative · entry 2

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,183

F1 · kind: The sales reported in this line item represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units ("RSUs"). The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F2 · price: The price reported in this line item is a weighted average price. These shares were sold as part of block trades for multiple security holders of the Issuer at prices ranging from $8.44 to $8.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein with regard to the block trades.

SEC source: 0001833465-26-000002 · form4-01062026_010146.xml · nonDerivative · entry 2

Pantelick Steven · CIK 0001833465 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 47,083

F2 · kind: The sales reported in this line item represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units ("RSUs"). The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F3 · price: The price reported in this line item is a weighted average price. These shares were sold as part of block trades for multiple security holders of the Issuer at prices ranging from $8.44 to $8.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein with regard to the block trades.

SEC source: 0001974892-26-000002 · form4-01062026_120150.xml · nonDerivative · entry 2

Klimenko Paulina · CIK 0001974892 · CHIEF GROWTH OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,095

F1 · kind: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units ("RSUs"). The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F2 · price: The price reported in this line item is a weighted average price. These shares were sold as part of block trades for multiple security holders of the Issuer at prices ranging from $8.44 to $8.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein with regard to the block trades.

SEC source: 0001833508-26-000002 · form4-01062026_120137.xml · nonDerivative · entry 2

Goel Amar K. · CIK 0001833508 · Director · CHAIRMAN, CHIEF INNOVATION OFF · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,654

F1 · kind: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units ("RSUs"). The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F2 · price: The price reported in this line item is a weighted average price. These shares were sold as part of block trades for multiple security holders of the Issuer at prices ranging from $8.44 to $8.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein with regard to the block trades.

SEC source: 0001966530-26-000002 · form4-01062026_120129.xml · nonDerivative · entry 2

Woods Andrew · CIK 0001966530 · GENERAL COUNSEL & SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,769

F2 · kind: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units ("RSUs"). The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F3 · price: The price reported in this line item is a weighted average price. These shares were sold as part of block trades for multiple security holders of the Issuer at prices ranging from $8.44 to $8.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein with regard to the block trades.

SEC source: 0001833511-26-000002 · form4-01062026_010113.xml · derivative · entry 8

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 201,923

Underlying: Class A Common Stock · 16,827 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.

F8 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F13 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2025, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F10 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833511-26-000002 · form4-01062026_010113.xml · derivative · entry 7

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 115,283

Underlying: Class A Common Stock · 14,411 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.

F8 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F12 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2024, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F10 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833511-26-000002 · form4-01062026_010113.xml · derivative · entry 6

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 92,170

Underlying: Class A Common Stock · 23,042 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.

F8 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F11 · derivative.exercise_date: The RSUs vested as to 1/16th of the total award on April 1, 2023, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F10 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833511-26-000002 · form4-01062026_010113.xml · derivative · entry 5

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 11,236 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.

F8 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F9 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2022, and 1/16th of the total shares vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F10 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833511-26-000002 · form4-01062026_010113.xml · nonDerivative · entry 1

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,516

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

SEC source: 0001833465-26-000002 · form4-01062026_010146.xml · derivative · entry 7

Pantelick Steven · CIK 0001833465 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 88,882

Underlying: Class A Common Stock · 7,407 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.

F6 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F11 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2025, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F8 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833465-26-000002 · form4-01062026_010146.xml · derivative · entry 6

Pantelick Steven · CIK 0001833465 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 71,640

Underlying: Class A Common Stock · 8,956 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.

F6 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F10 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2024, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F8 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833465-26-000002 · form4-01062026_010146.xml · derivative · entry 5

Pantelick Steven · CIK 0001833465 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,185

Underlying: Class A Common Stock · 9,546 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.

F6 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F9 · derivative.exercise_date: The RSUs vested as to 1/16th of the total award on April 1, 2023, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F8 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833465-26-000002 · form4-01062026_010146.xml · derivative · entry 4

Pantelick Steven · CIK 0001833465 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,056 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.

F6 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F7 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2022, and 1/16th of the total shares vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F8 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833465-26-000002 · form4-01062026_010146.xml · nonDerivative · entry 1

Pantelick Steven · CIK 0001833465 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,650

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 · balance_after: Includes 1,068 shares of Class A common stock acquired by the Reporting Person on May 30, 2025 and 591 shares of Class A common stock acquired by the Reporting Person on November 28, 2025 pursuant to the Issuer's employee stock purchase plan.

SEC source: 0001974892-26-000002 · form4-01062026_120150.xml · derivative · entry 6

Klimenko Paulina · CIK 0001974892 · CHIEF GROWTH OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,363

Underlying: Class A Common Stock · 5,363 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: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F8 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2025, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001974892-26-000002 · form4-01062026_120150.xml · derivative · entry 5

Klimenko Paulina · CIK 0001974892 · CHIEF GROWTH OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,877

Underlying: Class A Common Stock · 6,485 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: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F7 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2024, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001974892-26-000002 · form4-01062026_120150.xml · derivative · entry 4

Klimenko Paulina · CIK 0001974892 · CHIEF GROWTH OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,334

Underlying: Class A Common Stock · 6,584 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: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F6 · derivative.exercise_date: The RSUs vested as to 1/16th of the total award on April 1, 2023, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001974892-26-000002 · form4-01062026_120150.xml · derivative · entry 3

Klimenko Paulina · CIK 0001974892 · CHIEF GROWTH OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,903 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: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F4 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2022, and 1/16th of the total shares vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001974892-26-000002 · form4-01062026_120150.xml · nonDerivative · entry 1

Klimenko Paulina · CIK 0001974892 · CHIEF GROWTH OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,115

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

SEC source: 0001833508-26-000002 · form4-01062026_120137.xml · derivative · entry 6

Goel Amar K. · CIK 0001833508 · Director · CHAIRMAN, CHIEF INNOVATION OFF · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,942

Underlying: Class A Common Stock · 3,245 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: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F8 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2025, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833508-26-000002 · form4-01062026_120137.xml · derivative · entry 5

Goel Amar K. · CIK 0001833508 · Director · CHAIRMAN, CHIEF INNOVATION OFF · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,350

Underlying: Class A Common Stock · 4,169 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: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F7 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2024, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833508-26-000002 · form4-01062026_120137.xml · derivative · entry 4

Goel Amar K. · CIK 0001833508 · Director · CHAIRMAN, CHIEF INNOVATION OFF · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,120

Underlying: Class A Common Stock · 2,030 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: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F6 · derivative.exercise_date: The RSUs vested as to 1/16th of the total award on April 1, 2023, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833508-26-000002 · form4-01062026_120137.xml · derivative · entry 3

Goel Amar K. · CIK 0001833508 · Director · CHAIRMAN, CHIEF INNOVATION OFF · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,993 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: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F4 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2022, and 1/16th of the total shares vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833508-26-000002 · form4-01062026_120137.xml · nonDerivative · entry 1

Goel Amar K. · CIK 0001833508 · Director · CHAIRMAN, CHIEF INNOVATION OFF · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,933

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

SEC source: 0001966530-26-000002 · form4-01062026_120129.xml · derivative · entry 6

Woods Andrew · CIK 0001966530 · GENERAL COUNSEL & SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,714

Underlying: Class A Common Stock · 2,809 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.

F4 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F9 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2025, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001966530-26-000002 · form4-01062026_120129.xml · derivative · entry 5

Woods Andrew · CIK 0001966530 · GENERAL COUNSEL & SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,174

Underlying: Class A Common Stock · 3,397 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.

F4 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F8 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2024, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001966530-26-000002 · form4-01062026_120129.xml · derivative · entry 4

Woods Andrew · CIK 0001966530 · GENERAL COUNSEL & SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,003

Underlying: Class A Common Stock · 1,251 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.

F4 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F7 · derivative.exercise_date: The RSUs vested as to 1/16th of the total award on April 1, 2023, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001966530-26-000002 · form4-01062026_120129.xml · derivative · entry 3

Woods Andrew · CIK 0001966530 · GENERAL COUNSEL & SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,117

Underlying: Class A Common Stock · 4,039 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.

F4 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F5 · derivative.exercise_date: The RSUs vested as to 1/4 of the total award on October 1, 2023 and 1/16th of the RSUs will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001966530-26-000002 · form4-01062026_120129.xml · nonDerivative · entry 1

Woods Andrew · CIK 0001966530 · GENERAL COUNSEL & SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,650

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 · balance_after: ncludes 1,068 shares of Class A common stock acquired by the Reporting Person on May 30, 2025 and 591 shares of Class A common stock acquired by the Reporting Person on November 28, 2025 pursuant to the Issuer's employee stock purchase plan.

SEC source: 0001833462-26-000002 · form4-01062026_120119.xml · derivative · entry 6

Kumar Mukul · CIK 0001833462 · PRESIDENT, ENGINEERING

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,844

Underlying: Class A Common Stock · 3,320 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.

F4 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F9 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2025, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833462-26-000002 · form4-01062026_120119.xml · derivative · entry 5

Kumar Mukul · CIK 0001833462 · PRESIDENT, ENGINEERING

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,114

Underlying: Class A Common Stock · 4,015 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.

F4 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F8 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2024, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833462-26-000002 · form4-01062026_120119.xml · derivative · entry 4

Kumar Mukul · CIK 0001833462 · PRESIDENT, ENGINEERING

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,117

Underlying: Class A Common Stock · 4,280 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.

F4 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F7 · derivative.exercise_date: The RSUs vested as to 1/16th of the total award on April 1, 2023, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833462-26-000002 · form4-01062026_120119.xml · derivative · entry 3

Kumar Mukul · CIK 0001833462 · PRESIDENT, ENGINEERING

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,247 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.

F4 · derivative.exercise_price: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

F5 · derivative.exercise_date: The RSUs vested as to 1/16th of the total shares on April 1, 2022, and 1/16th of the total shares vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

SEC source: 0001833462-26-000002 · form4-01062026_120119.xml · nonDerivative · entry 2

Kumar Mukul · CIK 0001833462 · PRESIDENT, ENGINEERING

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,341

F2 · kind: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units ("RSUs"). The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F3 · price: The price reported in this line item is a weighted average price. These shares were sold as part of block trades for multiple security holders of the Issuer at prices ranging from $8.44 to $8.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein with regard to the block trades.

SEC source: 0001833462-26-000002 · form4-01062026_120119.xml · nonDerivative · entry 1

Kumar Mukul · CIK 0001833462 · PRESIDENT, ENGINEERING

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,914

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 · balance_after: Includes 1,067 shares of Class A common stock acquired by the Reporting Person on May 30, 2025 and 592 shares of Class A common stock acquired by the Reporting Person on November 28, 2025 pursuant to the Issuer's employee stock purchase plan.

SEC source: 0001833511-25-000017 · form4-12242025_021210.xml · derivative · entry 5

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 210,984

Underlying: Class A Common Stock · 44,000 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.

F1 · derivative.exercise_price: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

F1 · derivative.exercise_date: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

F1 · derivative.expiration_date: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

SEC source: 0001833511-25-000017 · form4-12242025_021210.xml · derivative · entry 4

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 254,984

Underlying: Class B Common Stock · 44,000 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.

F1 · derivative.exercise_price: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

F1 · derivative.exercise_date: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

F1 · derivative.expiration_date: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

SEC source: 0001833511-25-000017 · form4-12242025_021210.xml · derivative · entry 3

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 316,668

Underlying: Class B Common Stock · 44,000 shares

Expires 2026-07-07

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

F6 · derivative.exercise_date: The options are fully vested.

SEC source: 0001833511-25-000017 · form4-12242025_021210.xml · nonDerivative · entry 2

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F2 · security: Following the sales reported in this line item, Mr. Goel holds 2,362,194 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which these shares were exercised expires on July 7, 2026.

F3 · kind: The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025.

F4 · shares: These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein.

F5 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $8.83 and the highest price at which shares were sold was $9.01. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein.

SEC source: 0001833511-25-000017 · form4-12242025_021210.xml · nonDerivative · entry 1

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,000

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 · price: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

SEC source: 0001833511-25-000015 · form4-12092025_111216.xml · derivative · entry 5

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 210,984

Underlying: Class A Common Stock · 44,000 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.

F1 · derivative.exercise_price: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

F1 · derivative.exercise_date: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

F1 · derivative.expiration_date: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

SEC source: 0001833511-25-000015 · form4-12092025_111216.xml · derivative · entry 4

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 254,984

Underlying: Class B Common Stock · 44,000 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.

F1 · derivative.exercise_price: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

F1 · derivative.exercise_date: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

F1 · derivative.expiration_date: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

SEC source: 0001833511-25-000015 · form4-12092025_111216.xml · derivative · entry 3

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 360,668

Underlying: Class B Common Stock · 44,000 shares

Expires 2026-07-07

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

F6 · derivative.exercise_date: The options are fully vested.

SEC source: 0001833511-25-000015 · form4-12092025_111216.xml · nonDerivative · entry 2

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F2 · security: Following the sales reported in this line item, Mr. Goel holds 2,362,194 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which these shares were exercised expires on July 7, 2026.

F3 · kind: The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025.

F4 · shares: These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein.

F5 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $8.85 and the highest price at which shares were sold was $9.22. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein.

SEC source: 0001833511-25-000015 · form4-12092025_111216.xml · nonDerivative · entry 1

Goel Rajeev K. · CIK 0001833511 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,000

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 · price: Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.