<SEC-DOCUMENT>0001387131-21-002324-index.html : 20210216 <SEC-HEADER>0001387131-21-002324.hdr.sgml : 20210216 <ACCEPTANCE-DATETIME>20210212193438 ACCESSION NUMBER: 0001387131-21-002324 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210216 DATE AS OF CHANGE: 20210212 GROUP MEMBERS: DAVID C. OTT GROUP MEMBERS: O. ANDREAS HALVORSEN GROUP MEMBERS: ROSE S. SHABET GROUP MEMBERS: VIKING GLOBAL EQUITIES II LP GROUP MEMBERS: VIKING GLOBAL EQUITIES MASTER LTD. GROUP MEMBERS: VIKING GLOBAL PERFORMANCE LLC GROUP MEMBERS: VIKING LONG FUND GP LLC GROUP MEMBERS: VIKING LONG FUND MASTER LTD. SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Vertex, Inc. CENTRAL INDEX KEY: 0001806837 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 232081753 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-91604 FILM NUMBER: 21631191 BUSINESS ADDRESS: STREET 1: 2301 RENAISSANCE BOULEVARD CITY: KING OF PRUSSIA STATE: PA ZIP: 19406 BUSINESS PHONE: (800) 355-3500 MAIL ADDRESS: STREET 1: 2301 RENAISSANCE BOULEVARD CITY: KING OF PRUSSIA STATE: PA ZIP: 19406 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: VIKING GLOBAL INVESTORS LP CENTRAL INDEX KEY: 0001103804 IRS NUMBER: 134055118 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 55 RAILROAD AVENUE CITY: GREENWICH STATE: CT ZIP: 06830 BUSINESS PHONE: 212-672-7050 MAIL ADDRESS: STREET 1: 55 RAILROAD AVENUE CITY: GREENWICH STATE: CT ZIP: 06830 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>verx-sc13ga_123120.htm <DESCRIPTION>AMENDMENT NO. 1 <TEXT> Document 1 - file: verx-sc13ga_123120.htm
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