DV

SEC source: 0001819928-25-000033 · form4.xml · nonDerivative · entry 2

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 97,294

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.

F2 · price: Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested and were settled on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.

SEC source: 0001819928-25-000033 · form4.xml · nonDerivative · entry 1

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 94,794

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 was granted on December 10, 2021. 6.25% of the restricted stock units vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

SEC source: 0001819928-25-000034 · form4.xml · derivative · entry 14

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,500

Underlying: Common Stock · 9,375 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: Restricted stock units convert into common stock on a one-for-one basis.

F10 · shares: As reported previously, vested shares will be delivered to the reporting person as soon as administratively feasible following his separation from service with the Issuer.

F11 · derivative.exercise_date: Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.

F11 · derivative.expiration_date: Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.

SEC source: 0001819928-25-000034 · form4.xml · derivative · entry 13

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,628

Underlying: Common Stock · 15,219 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: Restricted stock units convert into common stock on a one-for-one basis.

F7 · derivative.exercise_date: Each restricted stock unit was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date.

F7 · derivative.expiration_date: Each restricted stock unit was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date.

SEC source: 0001819928-25-000034 · form4.xml · derivative · entry 12

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,028

Underlying: Common Stock · 2,756 shares

Expires not disclosed

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

F9 · derivative.exercise_price: Performance stock units convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: Each performance stock unit was granted on December 19, 2023. 41.67% of the earned shares vested and were settled on the 2025 Vesting Date, and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date.

F5 · derivative.expiration_date: Each performance stock unit was granted on December 19, 2023. 41.67% of the earned shares vested and were settled on the 2025 Vesting Date, and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date.

SEC source: 0001819928-25-000034 · form4.xml · derivative · entry 11

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,411

Underlying: Common Stock · 7,802 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: Restricted stock units convert into common stock on a one-for-one basis.

F4 · derivative.exercise_date: Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.

F4 · derivative.expiration_date: Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.

SEC source: 0001819928-25-000034 · form4.xml · derivative · entry 10

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,471 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: Restricted stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each restricted stock unit was granted on December 10, 2021. 6.25% of the restricted stock units vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

F2 · derivative.expiration_date: Each restricted stock unit was granted on December 10, 2021. 6.25% of the restricted stock units vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

SEC source: 0001819928-25-000034 · form4.xml · nonDerivative · entry 9

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 482,563

F3 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001819928-25-000034 · form4.xml · nonDerivative · entry 8

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 490,980

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.

F7 · price: Each restricted stock unit was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date.

SEC source: 0001819928-25-000034 · form4.xml · nonDerivative · entry 7

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 475,761

F6 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of performance stock units.

SEC source: 0001819928-25-000034 · form4.xml · nonDerivative · entry 6

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 477,286

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.

F5 · price: Each performance stock unit was granted on December 19, 2023. 41.67% of the earned shares vested and were settled on the 2025 Vesting Date, and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date.

SEC source: 0001819928-25-000034 · form4.xml · nonDerivative · entry 5

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 474,530

F3 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001819928-25-000034 · form4.xml · nonDerivative · entry 4

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 478,845

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 · price: Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.

SEC source: 0001819928-25-000034 · form4.xml · nonDerivative · entry 3

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 471,043

F3 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001819928-25-000034 · form4.xml · nonDerivative · entry 2

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 474,622

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.

F2 · price: Each restricted stock unit was granted on December 10, 2021. 6.25% of the restricted stock units vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

SEC source: 0001819928-25-000024 · form4.xml · nonDerivative · entry 1

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 93,301

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 18, 2025.

SEC source: 0001819928-25-000032 · form4.xml · nonDerivative · entry 1

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 217,842

F1 · kind: Pursuant to the DoubleVerify Holdings, Inc. 2021 Employee Stock Purchase Plan (ESPP), the purchase price per share reported reflects a discount of 15% of the lesser of the share price at the first day of the offering period or the purchase date.

F1 · price: Pursuant to the DoubleVerify Holdings, Inc. 2021 Employee Stock Purchase Plan (ESPP), the purchase price per share reported reflects a discount of 15% of the lesser of the share price at the first day of the offering period or the purchase date.

SEC source: 0001819928-25-000034 · form4.xml · nonDerivative · entry 1

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 468,151

F1 · kind: Pursuant to the DoubleVerify Holdings, Inc. 2021 Employee Stock Purchase Plan (ESPP), the purchase price per share reported reflects a discount of 15% of the lesser of the share price at the first day of the offering period or the purchase date.

F1 · price: Pursuant to the DoubleVerify Holdings, Inc. 2021 Employee Stock Purchase Plan (ESPP), the purchase price per share reported reflects a discount of 15% of the lesser of the share price at the first day of the offering period or the purchase date.

SEC source: 0001104659-25-115559 · tm2532107-2_4seq1.xml · nonDerivative · entry 1

Phillips J. David · CIK 0001476657 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,360

F1 · balance_after: The securities reported represent shares of common stock of DoubleVerify Holdings, Inc. (the "Issuer") sold by the reporting person in a sale in accordance with the requirements of Rule 144 under the Securities Act.

SEC source: 0001104659-25-115557 · tm2532107-1_4seq1.xml · nonDerivative · entry 1

Dominguez Michael J · CIK 0001320307 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · balance_after: Represents a charitable donation of 115,036 shares of common stock of DoubleVerify Holdings, Inc.

SEC source: 0001819928-25-000022 · form4.xml · nonDerivative · entry 1

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 94,301

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 18, 2025.

SEC source: 0001819928-25-000019 · form4.xml · nonDerivative · entry 1

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 95,301

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 18, 2025.

SEC source: 0001819928-25-000016 · form4.xml · nonDerivative · entry 1

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 96,301

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 18, 2025.

SEC source: 0001819928-25-000013 · form4.xml · derivative · entry 15

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,991

Underlying: Common Stock · 1,991 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: Restricted stock units convert into common stock on a one-for-one basis.

F7 · derivative.exercise_date: Each restricted stock unit was granted on December 10, 2021. 6.25% of the restricted stock units vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

F7 · derivative.expiration_date: Each restricted stock unit was granted on December 10, 2021. 6.25% of the restricted stock units vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

SEC source: 0001819928-25-000013 · form4.xml · derivative · entry 14

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,185

Underlying: Common Stock · 3,437 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: Restricted stock units convert into common stock on a one-for-one basis.

F6 · derivative.exercise_date: Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested and were settled on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.

F6 · derivative.expiration_date: Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested and were settled on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.

SEC source: 0001819928-25-000013 · form4.xml · derivative · entry 13

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,306

Underlying: Common Stock · 3,034 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: Restricted stock units convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.

F5 · derivative.expiration_date: Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.

SEC source: 0001819928-25-000013 · form4.xml · derivative · entry 12

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,361

Underlying: Common Stock · 1,071 shares

Expires not disclosed

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

F9 · derivative.exercise_price: Performance stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Each performance stock unit was granted on December 19, 2023. 41.67% of the earned shares vested and were settled on the 2025 Vesting Date, and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date.

F3 · derivative.expiration_date: Each performance stock unit was granted on December 19, 2023. 41.67% of the earned shares vested and were settled on the 2025 Vesting Date, and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date.

SEC source: 0001819928-25-000013 · form4.xml · derivative · entry 11

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,949

Underlying: Common Stock · 5,073 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: Restricted stock units convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: Each restricted stock unit was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date.

F1 · derivative.expiration_date: Each restricted stock unit was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date.

SEC source: 0001819928-25-000013 · form4.xml · nonDerivative · entry 10

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 217,675

F2 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001819928-25-000013 · form4.xml · nonDerivative · entry 9

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,529

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.

F7 · price: Each restricted stock unit was granted on December 10, 2021. 6.25% of the restricted stock units vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

SEC source: 0001819928-25-000013 · form4.xml · nonDerivative · entry 8

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 216,538

F2 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001819928-25-000013 · form4.xml · nonDerivative · entry 7

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,011

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 · price: Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested and were settled on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.

SEC source: 0001819928-25-000013 · form4.xml · nonDerivative · entry 6

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 214,574

F2 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001819928-25-000013 · form4.xml · nonDerivative · entry 5

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 215,875

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.

F5 · price: Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.

SEC source: 0001819928-25-000013 · form4.xml · nonDerivative · entry 4

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 212,841

F4 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of performance stock units.

SEC source: 0001819928-25-000013 · form4.xml · nonDerivative · entry 3

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 213,300

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 performance stock unit was granted on December 19, 2023. 41.67% of the earned shares vested and were settled on the 2025 Vesting Date, and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date.

SEC source: 0001819928-25-000013 · form4.xml · nonDerivative · entry 2

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 212,229

F2 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001819928-25-000013 · form4.xml · nonDerivative · entry 1

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 214,403

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 was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date.

SEC source: 0001819928-25-000014 · form4.xml · derivative · entry 15

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,488

Underlying: Common Stock · 2,488 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: Restricted stock units convert into common stock on a one-for-one basis.

F7 · derivative.exercise_date: Each restricted stock unit was granted on December 10, 2021. 6.25% of the restricted stock units vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

F7 · derivative.expiration_date: Each restricted stock unit was granted on December 10, 2021. 6.25% of the restricted stock units vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

SEC source: 0001819928-25-000014 · form4.xml · derivative · entry 14

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,310

Underlying: Common Stock · 4,062 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: Restricted stock units convert into common stock on a one-for-one basis.

F6 · derivative.exercise_date: Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested and were settled on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.

F6 · derivative.expiration_date: Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested and were settled on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.

SEC source: 0001819928-25-000014 · form4.xml · derivative · entry 13

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,306

Underlying: Common Stock · 3,034 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: Restricted stock units convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.

F5 · derivative.expiration_date: Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.

SEC source: 0001819928-25-000014 · form4.xml · derivative · entry 12

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,361

Underlying: Common Stock · 1,071 shares

Expires not disclosed

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

F9 · derivative.exercise_price: Performance stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Each performance stock unit was granted on December 19, 2023. 41.67% of the earned shares vested and were settled on the 2025 Vesting Date, and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date.

F3 · derivative.expiration_date: Each performance stock unit was granted on December 19, 2023. 41.67% of the earned shares vested and were settled on the 2025 Vesting Date, and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date.

SEC source: 0001819928-25-000014 · form4.xml · derivative · entry 11

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,932

Underlying: Common Stock · 6,764 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: Restricted stock units convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: Each restricted stock unit was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date.

F1 · derivative.expiration_date: Each restricted stock unit was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date.

SEC source: 0001819928-25-000014 · form4.xml · nonDerivative · entry 10

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,531

F2 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001819928-25-000014 · form4.xml · nonDerivative · entry 9

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,907

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.

F7 · price: Each restricted stock unit was granted on December 10, 2021. 6.25% of the restricted stock units vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

SEC source: 0001819928-25-000014 · form4.xml · nonDerivative · entry 8

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,419

F2 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001819928-25-000014 · form4.xml · nonDerivative · entry 7

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,666

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

F6 · price: Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested and were settled on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.

SEC source: 0001819928-25-000014 · form4.xml · nonDerivative · entry 6

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,604

F2 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001819928-25-000014 · form4.xml · nonDerivative · entry 5

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,282

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.

F5 · price: Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.

SEC source: 0001819928-25-000014 · form4.xml · nonDerivative · entry 4

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,248

F4 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of performance stock units.