SCHEDULE 13G/A 0001854132 XXXXXXXX LIVE 3 Common Stock 09/30/2025 0001819928 DoubleVerify Holdings Inc 25862V105 462 Broadway New York NY 10013 Rule 13d-1(d) Providence VII U.S. Holdings L.P. b DE 18173777.00 0.00 18173777.00 0.00 18173777.00 N 11.3 PN All percentages calculated in this Schedule 13G are based upon an aggregate of 161,107,214 shares of Common Stock outstanding as of October 31, 2025, as reported in the Issuer's quarterly report on Form 10-Q, as filed with the Securities and Exchange Commission on November 7, 2025. Providence Equity GP VII-A L.P. b E9 0.00 18290908.00 0.00 18290908.00 18290908.00 N 11.4 PN All percentages calculated in this Schedule 13G are based upon an aggregate of 161,107,214 shares of Common Stock outstanding as of October 31, 2025, as reported in the Issuer's quarterly report on Form 10-Q, as filed with the Securities and Exchange Commission on November 7, 2025. Providence Butternut Co-Investment L.P. b E9 117131.00 0.00 117131.00 0.00 117131.00 N 0.1 PN All percentages calculated in this Schedule 13G are based upon an aggregate of 161,107,214 shares of Common Stock outstanding as of October 31, 2025, as reported in the Issuer's quarterly report on Form 10-Q, as filed with the Securities and Exchange Commission on November 7, 2025. R. Davis Noell b X1 40658.00 18290908.00 40658.00 18290908.00 18331566.00 N 11.4 IN All percentages calculated in this Schedule 13G are based upon an aggregate of 161,107,214 shares of Common Stock outstanding as of October 31, 2025, as reported in the Issuer's quarterly report on Form 10-Q, as filed with the Securities and Exchange Commission on November 7, 2025. J. David Phillips b X1 30720.00 18290908.00 30720.00 18290908.00 18321628.00 N 11.4 IN All percentages calculated in this Schedule 13G are based upon an aggregate of 161,107,214 shares of Common Stock outstanding as of October 31, 2025, as reported in the Issuer's quarterly report on Form 10-Q, as filed with the Securities and Exchange Commission on November 7, 2025. Karim A. Tabet b I0 0.00 18290908.00 0.00 18290908.00 18290908.00 N 11.4 IN All percentages calculated in this Schedule 13G are based upon an aggregate of 161,107,214 shares of Common Stock outstanding as of October 31, 2025, as reported in the Issuer's quarterly report on Form 10-Q, as filed with the Securities and Exchange Commission on November 7, 2025. Andrew A. Tisdale b X1 2500.00 18290908.00 2500.00 18290908.00 18293408.00 N 11.4 IN All percentages calculated in this Schedule 13G are based upon an aggregate of 161,107,214 shares of Common Stock outstanding as of October 31, 2025, as reported in the Issuer's quarterly report on Form 10-Q, as filed with the Securities and Exchange Commission on November 7, 2025. Michael J. Dominguez b X1 115036.00 18290908.00 115036.00 18290908.00 18405944.00 N 11.4 IN All percentages calculated in this Schedule 13G are based upon an aggregate of 161,107,214 shares of Common Stock outstanding as of October 31, 2025, as reported in the Issuer's quarterly report on Form 10-Q, as filed with the Securities and Exchange Commission on November 7, 2025. DoubleVerify Holdings Inc 462 Broadway New York, NY, 10013 This Schedule 13G is being jointly filed by each of the following persons pursuant to Rule 13d-1(k) promulgated by the Securities and Exchange Commission pursuant to Section 13 of the Act: Providence VII U.S. Holdings L.P. ("PEP VII"), Providence Equity GP VII-A L.P. ("PEP GP"), Providence Butternut Co-Investment L.P. ("PEP Butternut"), R. Davis Noell, J. David Phillips, Karim A. Tabet, Andrew A. Tisdale and Michael J. Dominguez (collectively, the "Reporting Persons"). The Reporting Persons have entered into a Joint Filing Agreement, dated February 14, 2022, a copy of which is attached as Exhibit 99.1 to this Schedule 13G, pursuant to which the Reporting Persons agreed to file the original Schedule 13G and any amendments thereto jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Act. The address of the principal business office of each of the Reporting Persons is c/o Providence Equity Partners L.L.C., 50 Kennedy Plaza, 18th Floor, Providence, Rhode Island 02903. PEP VII is a limited partnership organized under the laws of the State of Delaware. PEP GP and PEP Butternut are exempted limited partnerships organized under the laws of the Cayman Islands. R. Davis Noell, J. David Phillips, Andrew A. Tisdale and Michael J. Dominguez are citizens of the United States and Karim A. Tabet is a citizen of France. Y 18,173,777 shares of Common Stock are held directly by PEP VII and may be deemed to be beneficially owned by PEP GP because PEP GP is the general partner of PEP VII. R. Davis Noell, J. David Phillips, Karim A. Tabet, Andrew A. Tisdale and Michael J. Dominguez control Providence Holdco (International) GP Ltd., which is the general partner of Providence Fund Holdco (International) L.P. Providence Fund Holdco (International) L.P. is the sole shareholder of PEP VII-A International Ltd., which is the general partner of PEP GP. 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 PEP VII due to their relationships with Providence Holdco (International) GP Ltd. 117,131 shares of Common Stock are held directly by PEP Butternut and may be deemed to be beneficially owned by PEP GP because PEP GP is the general partner of PEP Butternut. R. Davis Noell, J. David Phillips, Karim A. Tabet, Andrew A. Tisdale and Michael J. Dominguez control Providence Holdco (International) GP Ltd., which is the general partner of Providence Fund Holdco (International) L.P. Providence Fund Holdco (International) L.P. is the sole shareholder of PEP VII-A International Ltd., which is the general partner of PEP GP. 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 PEP Butternut due to their relationships with Providence Holdco (International) GP Ltd. 30,720 shares of Common Stock are held directly by J. David Phillips. 40,658 shares of Common Stock are held directly by R. Davis Noell. 2,500 shares of Common Stock are held directly by AT 2020 Trust, for which Mr. Tisdale is trustee. 115,036 shares of Common Stock are held directly by Michael J. Dominguez. Each of the Reporting Persons, other than the direct holder of the securities, disclaims beneficial ownership of the shares of Common Stock owned by the other Reporting Persons except to the extent of its or his pecuniary interest therein and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of such securities for purposes of Section 13(d) of the Act, or for any other purpose. In the aggregate, the Reporting Persons beneficially own 18,479,822 shares of Common Stock, or 11.5% of the total number of shares of Common Stock outstanding. All percentages calculated in this Schedule 13G are based upon an aggregate of 161,107,214 shares of Common Stock outstanding as of October 31, 2025, as reported in the Issuer's quarterly report on Form 10-Q, as filed with the Securities and Exchange Commission on November 7, 2025. See the responses to Item 5 on the attached cover pages. See the responses to Item 6 on the attached cover pages. See the responses to Item 7 on the attached cover pages See the responses to Item 8 on the attached cover pages Y Y Y N The Reporting Persons may be deemed to be a "group" for purposes of Section 13(d)(3) of the Act. The Reporting Persons expressly disclaim that they have agreed to act as a group other than as described in this Schedule 13G. Y Y Providence VII U.S. Holdings L.P. /s/ Sarah N. Conde 11/12/2025 Providence Equity GP VII-A L.P. /s/ Sarah N. Conde 11/12/2025 Providence Butternut Co-Investment L.P. /s/ Sarah N. Conde 11/12/2025 R. Davis Noell /s/ R. Davis Noell 11/12/2025 J. David Phillips /s/ J. David Phillips 11/12/2025 Karim A. Tabet /s/ Karim A. Tabet 11/12/2025 Andrew A. Tisdale /s/ Andrew A. Tisdale 11/12/2025 Michael J. Dominguez /s/ Michael J. Dominguez 11/12/2025