Sec Form 4 Filing - Providence VII U.S. Holdings L.P. @ DoubleVerify Holdings, Inc. - 2025-05-21

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Providence VII U.S. Holdings L.P. 2. Issuer Name and Ticker or Trading Symbol DoubleVerify Holdings, Inc. [ DV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O PROVIDENCE EQUITY PARTNERS L.L.C., 50 KENNEDY PLAZA, 18TH FL 3. Date of Earliest Transaction (MM/DD/YY) 05/21/2025 (Street) PROVIDENCE, RI02903 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 05/21/2025 J 21,448 ( 1 ) A $ 0 21,448 I By Providence Equity Partners L.L.C. ( 2 ) ( 3 ) ( 4 ) Common Stock 26,122,547 ( 5 ) D ( 4 ) ( 6 ) ( 7 ) Common Stock 168,361 ( 8 ) I By Providence Butternut Co-Investment L.P. ( 4 ) ( 9 ) ( 10 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Providence VII U.S. Holdings L.P. C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FL PROVIDENCE, RI02903 X Providence Equity GP VII-A L.P. C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FL PROVIDENCE, RI02903 X Providence Butternut Co-Investment L.P. C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FL PROVIDENCE, RI02903 X Phillips J. David C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FL PROVIDENCE, RI02903 X Tabet Karim A C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FL PROVIDENCE, RI02903 X Tisdale Andrew A C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FL PROVIDENCE, RI02903 X Dominguez Michael J C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FL PROVIDENCE, RI02903 X Providence Equity Partners L.L.C. C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FLOOR PROVIDENCE, RI02903 See Remarks Signatures Providence VII U.S. Holdings L.P.: /s/ Sarah N. Conde, General Counsel and Chief Compliance Officer 05/23/2025 Signature of Reporting Person Date Providence Equity GP VII-A L.P.: /s/ Sarah N. Conde, General Counsel and Chief Compliance Officer 05/23/2025 Signature of Reporting Person Date Providence Butternut Co-Investment L.P.: /s/ Sarah N. Conde, General Counsel and Chief Compliance Officer 05/23/2025 Signature of Reporting Person Date /s/ Sarah N. Conde, as Attorney-in-Fact for J. David Phillips 05/23/2025 Signature of Reporting Person Date /s/ Sarah N. Conde, as Attorney-in-Fact for Karim A. Tabet 05/23/2025 Signature of Reporting Person Date /s/ Sarah N. Conde, as Attorney-in-Fact for Andrew A. Tisdale 05/23/2025 Signature of Reporting Person Date /s/ Sarah N. Conde, as Attorney-in-Fact for Michael J. Dominguez 05/23/2025 Signature of Reporting Person Date Providence Equity Partners L.L.C.: /s/ Sarah N. Conde, General Counsel & Chief Compliance Officer 05/23/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The securities reported represent shares of common stock of DoubleVerify Holdings, Inc. (the "Issuer") acquired by Providence Equity Partners L.L.C. ("PEP LLC") after the transfer of the Issuer's common stock from Lucy Dobrin and R. Davis Noell. Lucy Dobrin and R. Davis Noell received the shares as board compensation for their service on the Issuer's board of directors and transferred the shares to PEP LLC pursuant to the terms of PEP LLC's internal policy. ( 2 )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 LLC. Each of 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 PEP LLC, 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. ( 3 )The securities reported are held directly by PEP LLC and may be deemed to be beneficially owned by R. Davis Noell, J. David Phillips, Karim A. Tabet, Andrew A. Tisdale and Michael J. Dominguez due to their control of PEP LLC. ( 4 )R. Davis Noell has separately filed a Form 4. ( 5 )The securities reported represent shares of common stock of the Issuer held by Providence VII U.S. Holdings L.P. ("Providence VII"). ( 6 )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. 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. ( 7 )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, 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. ( 8 )The securities reported represent shares of common stock of the Issuer held by Providence Butternut Co-Investment L.P. ("Providence Butternut"). ( 9 )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 Butternut due to their relationships with Holdco. Each of Providence GP, 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 Butternut, 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. ( 10 )The securities reported are held directly by Providence Butternut and may be deemed to be beneficially owned by Providence GP because Providence GP is the general partner of Providence Butternut. R. Davis Noell, J. David Phillips, Karim A. Tabet, Andrew A. Tisdale and Michael J. Dominguez control 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.

Reminder: Report on a separate line f or each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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