<SEC-DOCUMENT>0001047469-21-000997-index.html : 20210422 <SEC-HEADER>0001047469-21-000997.hdr.sgml : 20210422 <ACCEPTANCE-DATETIME>20210422081841 ACCESSION NUMBER: 0001047469-21-000997 CONFORMED SUBMISSION TYPE: 424B4 PUBLIC DOCUMENT COUNT: 10 FILED AS OF DATE: 20210422 DATE AS OF CHANGE: 20210422 FILER: COMPANY DATA: COMPANY CONFORMED NAME: DoubleVerify Holdings, Inc. CENTRAL INDEX KEY: 0001819928 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370] IRS NUMBER: 822714562 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 424B4 SEC ACT: 1933 Act SEC FILE NUMBER: 333-254380 FILM NUMBER: 21843321 BUSINESS ADDRESS: STREET 1: 233 SPRING STREET CITY: NEW YORK STATE: NY ZIP: 10013 BUSINESS PHONE: 212-631-2111 MAIL ADDRESS: STREET 1: 233 SPRING STREET CITY: NEW YORK STATE: NY ZIP: 10013 </SEC-HEADER> <DOCUMENT> <TYPE>424B4 <SEQUENCE>1 <FILENAME>a2243222z424b4.htm <DESCRIPTION>424B4 <TEXT> Document 1 - file: a2243222z424b4.htm
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