0001415889-23-016976.txt : 20231228 0001415889-23-016976.hdr.sgml : 20231228 20231228093730 ACCESSION NUMBER: 0001415889-23-016976 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231226 FILED AS OF DATE: 20231228 DATE AS OF CHANGE: 20231228 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: 231519778 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 IRS NUMBER: 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 4 1 form4-12282023_021225.xml X0508 4 2023-12-26 0001158324 COGENT COMMUNICATIONS HOLDINGS, INC. CCOI 0001775672 Chang John B. 2450 N ST NW 4TH FLOOR WASHINGTON DC 20037 false true false false VP & CHIEF LEGAL OFFICER 1 common stock 2023-12-26 4 S 0 3550 76 D 38310 D common stock 900 I By dependent children by gift on December 20, 2023 The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 13, 2021, as amended on December 1, 2022. /s/ John B. Chang 2023-12-28