DV

SEC source: 0001209191-21-060125 · doc4.xml · derivative · entry 1

Perez Rosario C · CIK 0001886750 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,301

Underlying: Common Stock · 6,301 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 October 6, 2021 pursuant to DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on October 6, 2022, subject to Ms. Perez's continued service.

F2 · derivative.expiration_date: Represents time-based restricted stock units granted on October 6, 2021 pursuant to DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on October 6, 2022, subject to Ms. Perez's continued service.

SEC source: 0001209191-21-060124 · doc4.xml · derivative · entry 1

Wagner Scott · CIK 0001342655 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,301

Underlying: Common Stock · 6,301 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 October 6, 2021 pursuant to DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on October 6, 2022, subject to Mr. Wagner's continued service.

F2 · derivative.expiration_date: Represents time-based restricted stock units granted on October 6, 2021 pursuant to DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on October 6, 2022, subject to Mr. Wagner's continued service.

SEC source: 0001209191-21-057251 · doc4.xml · derivative · entry 2

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Common Stock · 18,520 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: Restricted stock units convert into common stock on a one-for-one basis.

F1 · shares: The total was increased by one share due to an administrative calculation error due to rounding of the vested amount.

F2 · derivative.exercise_date: Each restricted stock unit was granted on September 20, 2019 and represents a right to receive one share of common stock on a one-for-one basis. The restricted stock units fully vested on September 20, 2021.

F2 · derivative.expiration_date: Each restricted stock unit was granted on September 20, 2019 and represents a right to receive one share of common stock on a one-for-one basis. The restricted stock units fully vested on September 20, 2021.

F1 · derivative.underlying_shares: The total was increased by one share due to an administrative calculation error due to rounding of the vested amount.

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

SEC source: 0001209191-21-057251 · doc4.xml · nonDerivative · entry 1

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 267,053

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 · shares: The total was increased by one share due to an administrative calculation error due to rounding of the vested amount.

F2 · price: Each restricted stock unit was granted on September 20, 2019 and represents a right to receive one share of common stock on a one-for-one basis. The restricted stock units fully vested on September 20, 2021.

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

SEC source: 0001209191-21-047728 · doc4.xml · derivative · entry 3

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 86,581 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: Restricted stock units convert into common stock on a one-for-one basis.

F1 · shares: The total was increased by one share due to an administrative calculation error due to rounding of the vested amount.

F2 · derivative.exercise_date: Each restricted stock unit was granted on July 28, 2020 and represents a right to receive one share of common stock on a one-for-one basis. The restricted stock units fully vested on July 21, 2021.

F2 · derivative.expiration_date: Each restricted stock unit was granted on July 28, 2020 and represents a right to receive one share of common stock on a one-for-one basis. The restricted stock units fully vested on July 21, 2021.

F1 · derivative.underlying_shares: The total was increased by one share due to an administrative calculation error due to rounding of the vested amount.

SEC source: 0001209191-21-047728 · doc4.xml · nonDerivative · entry 2

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 284,105

F3 · kind: Represents shares withheld to satisfy tax obligations in connection with the vesting of 86,581 restricted stock units on July 21, 2021.

SEC source: 0001209191-21-047728 · doc4.xml · nonDerivative · entry 1

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 333,786

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 · shares: The total was increased by one share due to an administrative calculation error due to rounding of the vested amount.

F2 · price: Each restricted stock unit was granted on July 28, 2020 and represents a right to receive one share of common stock on a one-for-one basis. The restricted stock units fully vested on July 21, 2021.

SEC source: 0001209191-21-042891 · doc4.xml · derivative · entry 1

List Teri · CIK 0001529370 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,886

Underlying: Common Stock · 4,886 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 22, 2021 pursuant to the annual equity grant under DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on May 1, 2022, subject to Ms. List's continued services.

F2 · derivative.expiration_date: Represents time-based restricted stock units granted on June 22, 2021 pursuant to the annual equity grant under DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on May 1, 2022, subject to Ms. List's continued services.

SEC source: 0001209191-21-042889 · doc4.xml · derivative · entry 1

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 4,886

Underlying: Common Stock · 4,886 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 22, 2021 pursuant to the annual equity grant under DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on May 1, 2022, subject to Ms. Desmond's continued services.

F2 · derivative.expiration_date: Represents time-based restricted stock units granted on June 22, 2021 pursuant to the annual equity grant under DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on May 1, 2022, subject to Ms. Desmond's continued services.

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

SEC source: 0001209191-21-031212 · doc4.xml · derivative · entry 2

List Teri · CIK 0001529370 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 31,008 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 April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on April 27, 2021.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on April 27, 2021.

SEC source: 0001209191-21-031212 · doc4.xml · nonDerivative · entry 1

List Teri · CIK 0001529370 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,439

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 April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on April 27, 2021.

SEC source: 0001209191-21-031210 · doc4.xml · derivative · entry 4

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 27,132

Underlying: Common Stock · 27,132 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: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. 50% of the RSUs vested on April 27, 2021. The remaining RSUs will vest on April 27, 2022.

F3 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. 50% of the RSUs vested on April 27, 2021. The remaining RSUs will vest on April 27, 2022.

F2 · ownership.nature: Represents shares, options and restricted stock units held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-21-031210 · doc4.xml · derivative · entry 3

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Common Stock · 31,008 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: 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 April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on April 27, 2021.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on April 27, 2021.

F2 · ownership.nature: Represents shares, options and restricted stock units held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-21-031210 · doc4.xml · nonDerivative · entry 2

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 248,533

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 April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. 50% of the RSUs vested on April 27, 2021. The remaining RSUs will vest on April 27, 2022.

F2 · ownership.nature: Represents shares, options and restricted stock units held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-21-031210 · doc4.xml · nonDerivative · entry 1

Desmond Laura · CIK 0001550028 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 221,401

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 April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on April 27, 2021.

F2 · ownership.nature: Represents shares, options and restricted stock units held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

SEC source: 0001209191-21-028561 · doc4.xml · derivative · entry 5

Providence VII U.S. Holdings L.P. · CIK 0001854132 · 10% owner

Providence Equity GP VII-A L.P. · CIK 0001857469 · 10% owner

Providence Public Master L.P. · CIK 0001857463 · 10% owner

Providence Butternut Co-Investment L.P. · CIK 0001831271 · 10% owner

NELSON JONATHAN M · CIK 0001035233 · 10% owner

Phillips J. David · CIK 0001476657 · 10% owner

Tabet Karim A · CIK 0001857194 · 10% owner

Tisdale Andrew A · CIK 0001857411 · 10% owner

Dominguez Michael J · CIK 0001320307 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Providence Butternut Co-Investment L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,743,041 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: The securities reported are held directly by Providence Butternut Co-Investment L.P., which had the right to acquire 581,014 shares of common stock of the Issuer upon the conversion of 1,743,041 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Butternut Co-Investment L.P. is an investment fund affiliated with Providence VII and thus Providence VII may be deemed to beneficially own the securities held by Providence Butternut Co-Investment L.P.

F6 · derivative.exercise_date: The securities reported are held directly by Providence Butternut Co-Investment L.P., which had the right to acquire 581,014 shares of common stock of the Issuer upon the conversion of 1,743,041 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Butternut Co-Investment L.P. is an investment fund affiliated with Providence VII and thus Providence VII may be deemed to beneficially own the securities held by Providence Butternut Co-Investment L.P.

F6 · derivative.expiration_date: The securities reported are held directly by Providence Butternut Co-Investment L.P., which had the right to acquire 581,014 shares of common stock of the Issuer upon the conversion of 1,743,041 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Butternut Co-Investment L.P. is an investment fund affiliated with Providence VII and thus Providence VII may be deemed to beneficially own the securities held by Providence Butternut Co-Investment L.P.

F6 · ownership.nature: The securities reported are held directly by Providence Butternut Co-Investment L.P., which had the right to acquire 581,014 shares of common stock of the Issuer upon the conversion of 1,743,041 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Butternut Co-Investment L.P. is an investment fund affiliated with Providence VII and thus Providence VII may be deemed to beneficially own the securities held by Providence Butternut Co-Investment L.P.

SEC source: 0001209191-21-028561 · doc4.xml · derivative · entry 4

Providence VII U.S. Holdings L.P. · CIK 0001854132 · 10% owner

Providence Equity GP VII-A L.P. · CIK 0001857469 · 10% owner

Providence Public Master L.P. · CIK 0001857463 · 10% owner

Providence Butternut Co-Investment L.P. · CIK 0001831271 · 10% owner

NELSON JONATHAN M · CIK 0001035233 · 10% owner

Phillips J. David · CIK 0001476657 · 10% owner

Tabet Karim A · CIK 0001857194 · 10% owner

Tisdale Andrew A · CIK 0001857411 · 10% owner

Dominguez Michael J · CIK 0001320307 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Providence Public Master L.P.

Disclosed balance after: 0

Underlying: Common Stock · 2,614,561 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: The securities reported are held directly by Providence Public Master L.P., which had the right to acquire 871,520 shares of common stock of the Issuer upon the conversion of 2,614,561 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Public Master L.P. is an investment fund affiliated with Providence VII and thus Providence VII may be deemed to beneficially own the securities held by Providence Public Master L.P.

F5 · derivative.exercise_date: The securities reported are held directly by Providence Public Master L.P., which had the right to acquire 871,520 shares of common stock of the Issuer upon the conversion of 2,614,561 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Public Master L.P. is an investment fund affiliated with Providence VII and thus Providence VII may be deemed to beneficially own the securities held by Providence Public Master L.P.

F5 · derivative.expiration_date: The securities reported are held directly by Providence Public Master L.P., which had the right to acquire 871,520 shares of common stock of the Issuer upon the conversion of 2,614,561 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Public Master L.P. is an investment fund affiliated with Providence VII and thus Providence VII may be deemed to beneficially own the securities held by Providence Public Master L.P.

F5 · ownership.nature: The securities reported are held directly by Providence Public Master L.P., which had the right to acquire 871,520 shares of common stock of the Issuer upon the conversion of 2,614,561 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Public Master L.P. is an investment fund affiliated with Providence VII and thus Providence VII may be deemed to beneficially own the securities held by Providence Public Master L.P.

SEC source: 0001209191-21-028561 · doc4.xml · nonDerivative · entry 3

Providence VII U.S. Holdings L.P. · CIK 0001854132 · 10% owner

Providence Equity GP VII-A L.P. · CIK 0001857469 · 10% owner

Providence Public Master L.P. · CIK 0001857463 · 10% owner

Providence Butternut Co-Investment L.P. · CIK 0001831271 · 10% owner

NELSON JONATHAN M · CIK 0001035233 · 10% owner

Phillips J. David · CIK 0001476657 · 10% owner

Tabet Karim A · CIK 0001857194 · 10% owner

Tisdale Andrew A · CIK 0001857411 · 10% owner

Dominguez Michael J · CIK 0001320307 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Providence Butternut Co-Investment L.P.

Disclosed balance after: 581,014

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 · ownership.nature: The securities reported are held directly by Providence Butternut Co-Investment L.P., which had the right to acquire 581,014 shares of common stock of the Issuer upon the conversion of 1,743,041 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Butternut Co-Investment L.P. is an investment fund affiliated with Providence VII and thus Providence VII may be deemed to beneficially own the securities held by Providence Butternut Co-Investment L.P.

SEC source: 0001209191-21-028561 · doc4.xml · nonDerivative · entry 2

Providence VII U.S. Holdings L.P. · CIK 0001854132 · 10% owner

Providence Equity GP VII-A L.P. · CIK 0001857469 · 10% owner

Providence Public Master L.P. · CIK 0001857463 · 10% owner

Providence Butternut Co-Investment L.P. · CIK 0001831271 · 10% owner

NELSON JONATHAN M · CIK 0001035233 · 10% owner

Phillips J. David · CIK 0001476657 · 10% owner

Tabet Karim A · CIK 0001857194 · 10% owner

Tisdale Andrew A · CIK 0001857411 · 10% owner

Dominguez Michael J · CIK 0001320307 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Providence Public Master L.P.

Disclosed balance after: 871,520

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 · ownership.nature: The securities reported are held directly by Providence Public Master L.P., which had the right to acquire 871,520 shares of common stock of the Issuer upon the conversion of 2,614,561 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Public Master L.P. is an investment fund affiliated with Providence VII and thus Providence VII may be deemed to beneficially own the securities held by Providence Public Master L.P.

SEC source: 0001209191-21-028561 · doc4.xml · nonDerivative · entry 1

Providence VII U.S. Holdings L.P. · CIK 0001854132 · 10% owner

Providence Equity GP VII-A L.P. · CIK 0001857469 · 10% owner

Providence Public Master L.P. · CIK 0001857463 · 10% owner

Providence Butternut Co-Investment L.P. · CIK 0001831271 · 10% owner

NELSON JONATHAN M · CIK 0001035233 · 10% owner

Phillips J. David · CIK 0001476657 · 10% owner

Tabet Karim A · CIK 0001857194 · 10% owner

Tisdale Andrew A · CIK 0001857411 · 10% owner

Dominguez Michael J · CIK 0001320307 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,148,070

F1 · shares: The securities reported represent 4,881,758 shares of common stock of DoubleVerify Holdings, Inc. (the "Issuer") sold by Providence VII U.S. Holdings L.P. ("Providence VII") in the Issuer's initial public offering (the "IPO") at a net price per share of $25.38 after deducting underwriting discounts and commissions and 1,111,111 shares of the Issuer's common stock sold by Providence VII in a secondary transaction concurrent with the IPO at a price per share of $27.00.

F1 · price: The securities reported represent 4,881,758 shares of common stock of DoubleVerify Holdings, Inc. (the "Issuer") sold by Providence VII U.S. Holdings L.P. ("Providence VII") in the Issuer's initial public offering (the "IPO") at a net price per share of $25.38 after deducting underwriting discounts and commissions and 1,111,111 shares of the Issuer's common stock sold by Providence VII in a secondary transaction concurrent with the IPO at a price per share of $27.00.

F2 · ownership.direct: The securities reported are held directly by Providence VII and may be deemed to be beneficially owned by Providence Equity GP VII-A L.P. ("Providence GP") because Providence GP is the general partner of Providence VII. Jonathan M. Nelson, R. Davis Noell, J. David Phillips, Karim A. Tabet, Andrew A. Tisdale and Michael J. Dominguez control Providence Holdco (International) GP Ltd. ("Holdco"), which is the general partner of Providence Fund Holdco (International) L.P. Providence Fund Holdco (International) L.P. is the general partner of PEP VII-A International Ltd., which is the general partner of Providence GP.

F3 · ownership.direct: Jonathan M. Nelson, R. Davis Noell, J. David Phillips, Karim A. Tabet, Andrew A. Tisdale and Michael J. Dominguez may be deemed to exercise voting and investment power over, and thus may be deemed to beneficially own, the securities held by Providence VII due to their relationships with Holdco. Each of Providence GP, Jonathan M. Nelson, R. Davis Noell, J. David Phillips, Karim A. Tabet, Andrew A. Tisdale and Michael J. Dominguez hereby disclaims beneficial ownership of the shares held by Providence VII, except to the extent of its or his pecuniary interest therein, and this form shall not be construed as an admission that any such reporting person is the beneficial owner of any of the securities reported on this form.

F4 · ownership.direct: R. Davis Noell has separately filed a Form 4.

SEC source: 0001209191-21-028562 · doc4.xml · derivative · entry 5

Noell Robert Davis · CIK 0001472786 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Providence Butternut Co-Investment L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,743,041 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: The securities reported are held directly by Providence Butternut Co-Investment L.P., which had the right to acquire 581,014 shares of common stock of the Issuer upon the conversion of 1,743,041 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Butternut Co-Investment L.P. is an investment fund affiliated with Providence VII and thus Providence VII and R. Davis Noell may be deemed to beneficially own the securities held by Providence Butternut Co-Investment L.P.

F8 · derivative.exercise_date: The securities reported are held directly by Providence Butternut Co-Investment L.P., which had the right to acquire 581,014 shares of common stock of the Issuer upon the conversion of 1,743,041 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Butternut Co-Investment L.P. is an investment fund affiliated with Providence VII and thus Providence VII and R. Davis Noell may be deemed to beneficially own the securities held by Providence Butternut Co-Investment L.P.

F8 · derivative.expiration_date: The securities reported are held directly by Providence Butternut Co-Investment L.P., which had the right to acquire 581,014 shares of common stock of the Issuer upon the conversion of 1,743,041 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Butternut Co-Investment L.P. is an investment fund affiliated with Providence VII and thus Providence VII and R. Davis Noell may be deemed to beneficially own the securities held by Providence Butternut Co-Investment L.P.

F4 · ownership.nature: The record and other beneficial owners of the reported securities have separately filed Form 4s.

F7 · ownership.nature: R. Davis Noell hereby disclaims beneficial ownership of the securities held by Providence Butternut Co-Investment L.P., except to the extent of his pecuniary interest therein, and this form shall not be construed as an admission that R. Davis Noell is the beneficial owner of any of the securities reported on this form.

F8 · ownership.nature: The securities reported are held directly by Providence Butternut Co-Investment L.P., which had the right to acquire 581,014 shares of common stock of the Issuer upon the conversion of 1,743,041 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Butternut Co-Investment L.P. is an investment fund affiliated with Providence VII and thus Providence VII and R. Davis Noell may be deemed to beneficially own the securities held by Providence Butternut Co-Investment L.P.

SEC source: 0001209191-21-028562 · doc4.xml · derivative · entry 4

Noell Robert Davis · CIK 0001472786 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Providence Public Master L.P.

Disclosed balance after: 0

Underlying: Common Stock · 2,614,561 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: The securities reported are held directly by Providence Public Master L.P., which had the right to acquire 871,520 shares of common stock of the Issuer upon the conversion of 2,614,561 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Public Master L.P. is an investment fund affiliated with Providence VII and thus Providence VII and R. Davis Noell may be deemed to beneficially own the securities held by Providence Public Master L.P.

F5 · derivative.exercise_date: The securities reported are held directly by Providence Public Master L.P., which had the right to acquire 871,520 shares of common stock of the Issuer upon the conversion of 2,614,561 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Public Master L.P. is an investment fund affiliated with Providence VII and thus Providence VII and R. Davis Noell may be deemed to beneficially own the securities held by Providence Public Master L.P.

F5 · derivative.expiration_date: The securities reported are held directly by Providence Public Master L.P., which had the right to acquire 871,520 shares of common stock of the Issuer upon the conversion of 2,614,561 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Public Master L.P. is an investment fund affiliated with Providence VII and thus Providence VII and R. Davis Noell may be deemed to beneficially own the securities held by Providence Public Master L.P.

F4 · ownership.nature: The record and other beneficial owners of the reported securities have separately filed Form 4s.

F5 · ownership.nature: The securities reported are held directly by Providence Public Master L.P., which had the right to acquire 871,520 shares of common stock of the Issuer upon the conversion of 2,614,561 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Public Master L.P. is an investment fund affiliated with Providence VII and thus Providence VII and R. Davis Noell may be deemed to beneficially own the securities held by Providence Public Master L.P.

F6 · ownership.nature: R. Davis Noell hereby disclaims beneficial ownership of the securities held by Providence Public Master L.P., except to the extent of his pecuniary interest therein, and this form shall not be construed as an admission that R. Davis Noell is the beneficial owner of any of the securities reported on this form.

SEC source: 0001209191-21-028562 · doc4.xml · nonDerivative · entry 3

Noell Robert Davis · CIK 0001472786 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Providence Butternut Co-Investment L.P.

Disclosed balance after: 581,014

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 · ownership.nature: The record and other beneficial owners of the reported securities have separately filed Form 4s.

F7 · ownership.nature: R. Davis Noell hereby disclaims beneficial ownership of the securities held by Providence Butternut Co-Investment L.P., except to the extent of his pecuniary interest therein, and this form shall not be construed as an admission that R. Davis Noell is the beneficial owner of any of the securities reported on this form.

F8 · ownership.nature: The securities reported are held directly by Providence Butternut Co-Investment L.P., which had the right to acquire 581,014 shares of common stock of the Issuer upon the conversion of 1,743,041 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Butternut Co-Investment L.P. is an investment fund affiliated with Providence VII and thus Providence VII and R. Davis Noell may be deemed to beneficially own the securities held by Providence Butternut Co-Investment L.P.

SEC source: 0001209191-21-028562 · doc4.xml · nonDerivative · entry 2

Noell Robert Davis · CIK 0001472786 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Providence Public Master L.P.

Disclosed balance after: 871,520

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 · ownership.nature: The record and other beneficial owners of the reported securities have separately filed Form 4s.

F5 · ownership.nature: The securities reported are held directly by Providence Public Master L.P., which had the right to acquire 871,520 shares of common stock of the Issuer upon the conversion of 2,614,561 shares of Series A Preferred Stock at a conversion rate of one-third of a share of common stock for every three shares of Series A Preferred Stock. Each outstanding share of Series A Preferred Stock automatically converted into one-third of a share of common stock of the Issuer for no additional consideration upon the completion of the IPO. Providence Public Master L.P. is an investment fund affiliated with Providence VII and thus Providence VII and R. Davis Noell may be deemed to beneficially own the securities held by Providence Public Master L.P.

F6 · ownership.nature: R. Davis Noell hereby disclaims beneficial ownership of the securities held by Providence Public Master L.P., except to the extent of his pecuniary interest therein, and this form shall not be construed as an admission that R. Davis Noell is the beneficial owner of any of the securities reported on this form.

SEC source: 0001209191-21-028562 · doc4.xml · nonDerivative · entry 1

Noell Robert Davis · CIK 0001472786 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 90,148,070

F1 · shares: The securities reported represent 4,881,758 shares of common stock of DoubleVerify Holdings, Inc. (the "Issuer") sold by Providence VII U.S. Holdings L.P. ("Providence VII") in the Issuer's initial public offering (the "IPO") at a net price per share of $25.38 after deducting underwriting discounts and commissions and 1,111,111 shares of the Issuer's common stock sold by Providence VII in a secondary transaction concurrent with the IPO at a price per share of $27.00.

F1 · price: The securities reported represent 4,881,758 shares of common stock of DoubleVerify Holdings, Inc. (the "Issuer") sold by Providence VII U.S. Holdings L.P. ("Providence VII") in the Issuer's initial public offering (the "IPO") at a net price per share of $25.38 after deducting underwriting discounts and commissions and 1,111,111 shares of the Issuer's common stock sold by Providence VII in a secondary transaction concurrent with the IPO at a price per share of $27.00.

F2 · ownership.nature: The securities reported are held directly by Providence VII and may be deemed to be beneficially owned by Providence Equity GP VII-A L.P. ("Providence GP") because Providence GP is the general partner of Providence VII. Jonathan M. Nelson, R. Davis Noell, J. David Phillips, Karim A. Tabet, Andrew A. Tisdale and Michael J. Dominguez control Providence Holdco (International) GP Ltd. ("Holdco"), which is the general partner of Providence Fund Holdco (International) L.P. Providence Fund Holdco (International) L.P. is the general partner of PEP VII-A International Ltd., which is the general partner of Providence GP.

F3 · ownership.nature: Jonathan M. Nelson, R. Davis Noell, J. David Phillips, Karim A. Tabet, Andrew A. Tisdale and Michael J. Dominguez may be deemed to exercise voting and investment power over, and thus may be deemed to beneficially own, the securities held by Providence VII due to their relationships with Holdco. R. Davis Noell hereby disclaims beneficial ownership of the shares held by Providence VII, except to the extent of his pecuniary interest therein, and this form shall not be construed as an admission that R. Davis Noell is the beneficial owner of any of the securities reported on this form.

F4 · ownership.nature: The record and other beneficial owners of the reported securities have separately filed Form 4s.

SEC source: 0001209191-21-031211 · doc4.xml · derivative · entry 2

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,161

Underlying: Common Stock · 65,721 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 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 (the "IPO") of common stock of DoubleVerify Holdings, Inc. The remaining RSUs will vest on the original vesting schedule as though the IPO had not occurred, 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 (the "IPO") of common stock of DoubleVerify Holdings, Inc. The remaining RSUs will vest on the original vesting schedule as though the IPO had not occurred, subject to Ms. Eddleman's continued employment through the applicable vesting date.

SEC source: 0001209191-21-031211 · doc4.xml · nonDerivative · entry 1

Eddleman Julie · CIK 0001853942 · Global Chief Comm. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,721

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 (the "IPO") of common stock of DoubleVerify Holdings, Inc. The remaining RSUs will vest on the original vesting schedule as though the IPO had not occurred, subject to Ms. Eddleman's continued employment through the applicable vesting date.

SEC source: 0001209191-21-031216 · doc4.xml · derivative · entry 2

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,167

Underlying: Common Stock · 62,500 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 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 will 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 will 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: 0001209191-21-031216 · doc4.xml · nonDerivative · entry 1

Zagorski Mark · CIK 0001709574 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 247,205

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 will 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.