0001949846-24-000321.txt : 20240604 0001949846-24-000321.hdr.sgml : 20240604 20240604113040 ACCESSION NUMBER: 0001949846-24-000321 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240604 DATE AS OF CHANGE: 20240604 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-51829 FILM NUMBER: 241016589 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: KILMER HENRY W CENTRAL INDEX KEY: 0001599812 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O COGENT COMMUNICATIONS HOLDINGS, INC. STREET 2: 2450 N ST NW, 4TH FLOOR CITY: WASHINGTON STATE: DC ZIP: 20037 144 1 primary_doc.xml 144 0001599812 XXXXXXXX LIVE 0001158324 COGENT COMMUNICATIONS HOLDINGS, INC. 000-51829 2450 N STREET, NW WASHINGTON DC 20037 2022954200 KILMER HENRY W Officer Common Charles Schwab & Co.

3000 Schwab Way Westlake TX 76262

2400 133992.00 49024447 06/04/2024 Nasdaq Common 06/01/2024 RSU / Stock Grant Vesting Issuer N 2400 06/01/2024 Compensation N Henry Kilmer

2450 N Street N.W. Washington DC 20037

Common 03/05/2024 2400 176338.00 06/04/2024 Henry Kilmer