DV

SEC source: 0001209191-23-035094 · doc4.xml · derivative · entry 1

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 5,709

Underlying: Common Stock · 5,709 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Represents time-based restricted stock units granted on June 5, 2023 pursuant to the annual equity grant under DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on the earlier of (i) June 5, 2024 and (ii) the date of DoubleVerify Holdings, Inc.'s 2024 Annual Meeting of Stockholders, subject to Ms. Desmond's continued services. Ms. Desmond made an election under the Issuer's deferred compensation plan to defer delivery of the vested shares to the earlier of (i) 2025 and (ii) the reporting person's end of service as a Director (in which case the shares will be delivered in a lump sum).

F2 · derivative.expiration_date: Represents time-based restricted stock units granted on June 5, 2023 pursuant to the annual equity grant under DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on the earlier of (i) June 5, 2024 and (ii) the date of DoubleVerify Holdings, Inc.'s 2024 Annual Meeting of Stockholders, subject to Ms. Desmond's continued services. Ms. Desmond made an election under the Issuer's deferred compensation plan to defer delivery of the vested shares to the earlier of (i) 2025 and (ii) the reporting person's end of service as a Director (in which case the shares will be delivered in a lump sum).

F3 · ownership.nature: Represents restricted stock units held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-034239 · doc4.xml · derivative · entry 2

Perez Rosario C · CIK 0001886750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,183 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.

F2 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

SEC source: 0001209191-23-034239 · doc4.xml · nonDerivative · entry 1

Perez Rosario C · CIK 0001886750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,484

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") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

SEC source: 0001209191-23-034241 · doc4.xml · derivative · entry 1

Turner Kelli · CIK 0001459490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,183 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: Restricted stock units convert into common stock on a one-for-one basis.

F2 · shares: As reported previously, the reporting person made an election under the Issuer's deferred compensation plan to defer delivery of the vested shares to the reporting person's end of service as a Director (in which case the shares will be delivered in five annual installments commencing in the year of termination).

F3 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

F3 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

F2 · derivative.underlying_shares: As reported previously, the reporting person made an election under the Issuer's deferred compensation plan to defer delivery of the vested shares to the reporting person's end of service as a Director (in which case the shares will be delivered in five annual installments commencing in the year of termination).

SEC source: 0001209191-23-034244 · doc4.xml · derivative · entry 2

Wagner Scott · CIK 0001342655 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By LLC

Disclosed balance after: 0

Underlying: Common Stock · 9,183 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: Restricted stock units convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

F2 · ownership.nature: Represents shares and restricted stock units held by Hilltopper LLC, which is wholly-owned by Mr. Wagner.

SEC source: 0001209191-23-034244 · doc4.xml · nonDerivative · entry 1

Wagner Scott · CIK 0001342655 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By LLC

Disclosed balance after: 15,484

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") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

F2 · ownership.nature: Represents shares and restricted stock units held by Hilltopper LLC, which is wholly-owned by Mr. Wagner.

SEC source: 0001209191-23-034237 · doc4.xml · derivative · entry 2

List Teri · CIK 0001529370 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,183 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.

F2 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

SEC source: 0001209191-23-034237 · doc4.xml · nonDerivative · entry 1

List Teri · CIK 0001529370 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,508

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") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

SEC source: 0001209191-23-034235 · doc4.xml · derivative · entry 1

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Common Stock · 9,183 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: Restricted stock units convert into common stock on a one-for-one basis.

F2 · shares: As reported previously, the reporting person made an election under the Issuer's deferred compensation plan to defer delivery of the vested shares to the earlier of (i) March 2027 and (ii) the reporting person's end of service as a Director (in which case the shares will be delivered in five annual installments commencing in the year of termination).

F3 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

F3 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on June 15, 2022 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on June 1, 2023.

F2 · derivative.underlying_shares: As reported previously, the reporting person made an election under the Issuer's deferred compensation plan to defer delivery of the vested shares to the earlier of (i) March 2027 and (ii) the reporting person's end of service as a Director (in which case the shares will be delivered in five annual installments commencing in the year of termination).

F4 · ownership.nature: Represents restricted stock units held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-032139 · doc4.xml · derivative · entry 3

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 534,281

Underlying: Common Stock · 11,002 shares

Expires 2027-09-20

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 · shares: Represents non-qualified stock options granted on September 20, 2017 that vested on November 22, 2021 upon Providence VII U.S. Holdings L.P. receiving cumulative cash proceeds in respect of its investment in the Issuer equal to two times its aggregate cash investment in the Issuer.

F1 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-032139 · doc4.xml · nonDerivative · entry 2

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 179,071

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 30, 2022.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $31.21 to $31.68, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F1 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-032139 · doc4.xml · nonDerivative · entry 1

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 190,073

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 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-030132 · doc4.xml · derivative · entry 6

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,879

Underlying: Common Stock · 1,983 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: RSUs convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on February 17, 2021 and represents a right to receive one share of common stock on a one-to-one basis. 25% of the RSUs vested and were settled on February 15, 2022, and the other remaining RSUs have continued, and will continue, to vest at a rate of 6.25% per quarter thereafter, subject to Mr. Grimmig's continued employment through the applicable vesting date.

F3 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on February 17, 2021 and represents a right to receive one share of common stock on a one-to-one basis. 25% of the RSUs vested and were settled on February 15, 2022, and the other remaining RSUs have continued, and will continue, to vest at a rate of 6.25% per quarter thereafter, subject to Mr. Grimmig's continued employment through the applicable vesting date.

SEC source: 0001209191-23-030132 · doc4.xml · derivative · entry 5

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 321,174

Underlying: Common Stock · 40,000 shares

Expires 2030-04-27

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 · shares: Represents non-qualified stock options granted on April 27, 2020, 25% of which vested on March 30, 2021 and the remainder of which vest at a rate of 6.25% per quarter thereafter, subject to Mr. Grimmig's continued employment.

F5 · derivative.exercise_date: Represents non-qualified stock options granted on April 27, 2020, 25% of which vested on March 30, 2021 and the remainder of which vest at a rate of 6.25% per quarter thereafter, subject to Mr. Grimmig's continued employment.

SEC source: 0001209191-23-030132 · doc4.xml · nonDerivative · entry 4

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,989

F4 · kind: Represents shares withheld to satisfy tax obligations in connection with the vesting of 1,983 RSUs on May 15, 2023.

SEC source: 0001209191-23-030132 · doc4.xml · nonDerivative · entry 3

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,947

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 restricted stock unit ("RSU") was granted on February 17, 2021 and represents a right to receive one share of common stock on a one-to-one basis. 25% of the RSUs vested and were settled on February 15, 2022, and the other remaining RSUs have continued, and will continue, to vest at a rate of 6.25% per quarter thereafter, subject to Mr. Grimmig's continued employment through the applicable vesting date.

SEC source: 0001209191-23-030132 · doc4.xml · nonDerivative · entry 2

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,964

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 December 22, 2022.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $27.78 to $28.29, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001209191-23-030132 · doc4.xml · nonDerivative · entry 1

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 95,964

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: 0001209191-23-028714 · doc4.xml · derivative · entry 3

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 545,283

Underlying: Common Stock · 11,003 shares

Expires 2027-09-20

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 · shares: Represents non-qualified stock options granted on September 20, 2017 that vested on November 22, 2021 upon Providence VII U.S. Holdings L.P. receiving cumulative cash proceeds in respect of its investment in the Issuer equal to two times its aggregate cash investment in the Issuer.

F1 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-028714 · doc4.xml · nonDerivative · entry 2

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 179,071

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 30, 2022.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $26.95 to $27.20, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F1 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-028714 · doc4.xml · nonDerivative · entry 1

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 190,074

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 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-026022 · doc4.xml · derivative · entry 3

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,256

Underlying: Common Stock · 12,323 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: RSUs convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on January 28, 2021 and represents a right to receive one share of common stock on a one-to-one basis. 25% of the RSUs vested and were settled on April 20, 2021, upon the initial public offering of common stock of DoubleVerify Holdings, Inc. 25% of the remaining RSUs vested and were settled on January 26, 2022, and the other remaining RSUs have continued, and will continue, to vest at a rate of 6.25% per quarter thereafter, subject to Ms. Eddleman's continued employment through the applicable vesting date.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on January 28, 2021 and represents a right to receive one share of common stock on a one-to-one basis. 25% of the RSUs vested and were settled on April 20, 2021, upon the initial public offering of common stock of DoubleVerify Holdings, Inc. 25% of the remaining RSUs vested and were settled on January 26, 2022, and the other remaining RSUs have continued, and will continue, to vest at a rate of 6.25% per quarter thereafter, subject to Ms. Eddleman's continued employment through the applicable vesting date.

SEC source: 0001209191-23-026022 · doc4.xml · nonDerivative · entry 2

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,520

F2 · kind: Represents shares withheld to satisfy tax obligations in connection with the vesting of 12,323 RSUs on April 26, 2023.

SEC source: 0001209191-23-026022 · doc4.xml · nonDerivative · entry 1

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,954

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") was granted on January 28, 2021 and represents a right to receive one share of common stock on a one-to-one basis. 25% of the RSUs vested and were settled on April 20, 2021, upon the initial public offering of common stock of DoubleVerify Holdings, Inc. 25% of the remaining RSUs vested and were settled on January 26, 2022, and the other remaining RSUs have continued, and will continue, to vest at a rate of 6.25% per quarter thereafter, subject to Ms. Eddleman's continued employment through the applicable vesting date.

SEC source: 0001209191-23-025846 · doc4.xml · derivative · entry 3

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 556,286

Underlying: Common Stock · 11,002 shares

Expires 2027-09-20

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 · shares: Represents non-qualified stock options granted on September 20, 2017 that vested on November 22, 2021 upon Providence VII U.S. Holdings L.P. receiving cumulative cash proceeds in respect of its investment in the Issuer equal to two times its aggregate cash investment in the Issuer.

F1 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-025846 · doc4.xml · nonDerivative · entry 2

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 179,071

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 30, 2022.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $29.46 to $30.03, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F1 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-025846 · doc4.xml · nonDerivative · entry 1

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 190,073

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 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-024545 · doc4.xml · derivative · entry 3

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 361,174

Underlying: Common Stock · 40,000 shares

Expires 2030-04-27

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 · shares: Represents non-qualified stock options granted on April 27, 2020, 25% of which vested on March 30, 2021 and the remainder of which vest at a rate of 6.25% per quarter thereafter, subject to Mr. Grimmig's continued employment.

F3 · derivative.exercise_date: Represents non-qualified stock options granted on April 27, 2020, 25% of which vested on March 30, 2021 and the remainder of which vest at a rate of 6.25% per quarter thereafter, subject to Mr. Grimmig's continued employment.

SEC source: 0001209191-23-024545 · doc4.xml · nonDerivative · entry 2

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,964

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 December 22, 2022.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $30.20 to $30.68, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001209191-23-024545 · doc4.xml · nonDerivative · entry 1

Grimmig Andrew E · CIK 0001854079 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 95,964

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: 0001209191-23-024201 · doc4.xml · derivative · entry 3

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 567,288

Underlying: Common Stock · 11,003 shares

Expires 2027-09-20

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 · shares: Represents non-qualified stock options granted on September 20, 2017 that vested on November 22, 2021 upon Providence VII U.S. Holdings L.P. receiving cumulative cash proceeds in respect of its investment in the Issuer equal to two times its aggregate cash investment in the Issuer.

F1 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-024201 · doc4.xml · nonDerivative · entry 2

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 179,071

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 30, 2022.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $30.29 to $30.67, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F1 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-024201 · doc4.xml · nonDerivative · entry 1

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 190,074

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 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-022655 · doc4.xml · derivative · entry 3

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,499

Underlying: Common Stock · 10,417 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: Restricted stock units convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on July 28, 2020 and represents a right to receive one share of common stock on a one-to-one basis. 37.5% of the RSUs vested and were settled on April 20, 2021, upon the initial public offering (the "IPO") of common stock of DoubleVerify Holdings, Inc. The remaining RSUs vest on the original vesting schedule as though the IPO had not occurred, subject to Mr. Zagorksi's continued employment through the applicable vesting date.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on July 28, 2020 and represents a right to receive one share of common stock on a one-to-one basis. 37.5% of the RSUs vested and were settled on April 20, 2021, upon the initial public offering (the "IPO") of common stock of DoubleVerify Holdings, Inc. The remaining RSUs vest on the original vesting schedule as though the IPO had not occurred, subject to Mr. Zagorksi's continued employment through the applicable vesting date.

SEC source: 0001209191-23-022655 · doc4.xml · nonDerivative · entry 2

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 344,577

F2 · kind: Represents shares withheld to satisfy tax obligations in connection with the vesting of 10,417 RSUs on March 31, 2023.

SEC source: 0001209191-23-022655 · doc4.xml · nonDerivative · entry 1

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 348,992

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") was granted on July 28, 2020 and represents a right to receive one share of common stock on a one-to-one basis. 37.5% of the RSUs vested and were settled on April 20, 2021, upon the initial public offering (the "IPO") of common stock of DoubleVerify Holdings, Inc. The remaining RSUs vest on the original vesting schedule as though the IPO had not occurred, subject to Mr. Zagorksi's continued employment through the applicable vesting date.

SEC source: 0001209191-23-020490 · doc4.xml · derivative · entry 6

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 630,200

Underlying: Common Stock · 1,607 shares

Expires 2028-01-04

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_date: Represents non-qualified stock options granted on January 4, 2018, 25% of which vested on November 6, 2018 and the remainder of which vested at a rate of 6.25% per quarter thereafter, subject to Mr. Allais's continued employment. The options fully vested on November 6, 2021.

SEC source: 0001209191-23-020490 · doc4.xml · nonDerivative · entry 4

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,883

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person and accepted by the issuer on August 12, 2022.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $26.10 to $26.225, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001209191-23-020490 · doc4.xml · nonDerivative · entry 3

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,490

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: 0001209191-23-020722 · doc4.xml · nonDerivative · entry 1

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,631

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 March 31, 2022.

SEC source: 0001209191-23-020490 · doc4.xml · derivative · entry 5

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 631,807

Underlying: Common Stock · 1,607 shares

Expires 2028-01-04

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_date: Represents non-qualified stock options granted on January 4, 2018, 25% of which vested on November 6, 2018 and the remainder of which vested at a rate of 6.25% per quarter thereafter, subject to Mr. Allais's continued employment. The options fully vested on November 6, 2021.

SEC source: 0001209191-23-020490 · doc4.xml · nonDerivative · entry 2

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,883

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person and accepted by the issuer on August 12, 2022.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $25.13 to $25.275 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001209191-23-020490 · doc4.xml · nonDerivative · entry 1

Allais Nicola T · CIK 0001854086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,490

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: 0001209191-23-020046 · doc4.xml · derivative · entry 3

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 578,291

Underlying: Common Stock · 11,002 shares

Expires 2027-09-20

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 · shares: Represents non-qualified stock options granted on September 20, 2017 that vested on November 22, 2021 upon Providence VII U.S. Holdings L.P. receiving cumulative cash proceeds in respect of its investment in the Issuer equal to two times its aggregate cash investment in the Issuer.

F1 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-020046 · doc4.xml · nonDerivative · entry 2

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 179,071

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 30, 2022.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $24.26 to $24.68, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F1 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-020046 · doc4.xml · nonDerivative · entry 1

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 190,073

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 · ownership.nature: Represents shares and options held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-23-019618 · doc4.xml · derivative · entry 6

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,562

Underlying: Common Stock · 3,438 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.

F5 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: The restricted stock units were 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.

F3 · derivative.expiration_date: The restricted stock units were 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: 0001209191-23-019618 · doc4.xml · derivative · entry 5

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,901

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.

F5 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: The restricted stock units were 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.

F1 · derivative.expiration_date: The restricted stock units were 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: 0001209191-23-019618 · doc4.xml · nonDerivative · entry 4

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,931

F4 · kind: Represents shares withheld to satisfy tax obligations in connection with the vesting of 3,438 restricted stock units on March 15, 2023.

SEC source: 0001209191-23-019618 · doc4.xml · nonDerivative · entry 3

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,889

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: The restricted stock units were 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.