<SEC-DOCUMENT>0001415889-25-013104-index.html : 20250515 <SEC-HEADER>0001415889-25-013104.hdr.sgml : 20250515 <ACCEPTANCE-DATETIME>20250515161315 ACCESSION NUMBER: 0001415889-25-013104 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250515 FILED AS OF DATE: 20250515 DATE AS OF CHANGE: 20250515 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chang John B. CENTRAL INDEX KEY: 0001775672 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51829 FILM NUMBER: 25953166 MAIL ADDRESS: STREET 1: 2450 N ST NW STREET 2: 4TH FLOOR CITY: WASHINGTON STATE: DC ZIP: 20037 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: COGENT COMMUNICATIONS HOLDINGS, INC. CENTRAL INDEX KEY: 0001158324 STANDARD INDUSTRIAL CLASSIFICATION: COMMUNICATION SERVICES, NEC [4899] ORGANIZATION NAME: 06 Technology EIN: 522337274 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2450 N STREET, NW CITY: WASHINGTON STATE: DC ZIP: 20037 BUSINESS PHONE: 2022954200 MAIL ADDRESS: STREET 1: 2450 N STREET, NW CITY: WASHINGTON STATE: DC ZIP: 20037 FORMER COMPANY: FORMER CONFORMED NAME: COGENT COMMUNICATIONS GROUP INC DATE OF NAME CHANGE: 20010828 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>form4-05152025_080511.xml <TEXT> Document 1 - file: form4-05152025_080511.html
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