0001140361-17-045165.txt : 20171206 0001140361-17-045165.hdr.sgml : 20171206 20171206125327 ACCESSION NUMBER: 0001140361-17-045165 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171205 FILED AS OF DATE: 20171206 DATE AS OF CHANGE: 20171206 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LIEBHABER RICHARD CENTRAL INDEX KEY: 0001182381 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51829 FILM NUMBER: 171241730 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: COGENT COMMUNICATIONS HOLDINGS, INC. CENTRAL INDEX KEY: 0001158324 STANDARD INDUSTRIAL CLASSIFICATION: COMMUNICATION SERVICES, NEC [4899] 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 doc1.xml FORM 4 X0306 4 2017-12-05 0 0001158324 COGENT COMMUNICATIONS HOLDINGS, INC. CCOI 0001182381 LIEBHABER RICHARD 2450 N ST NW 4TH FLOOR WASHINGTON DC 20037 1 0 0 0 common stock 2017-12-05 4 P 0 700 45.30 A 71045 D /s/ Richard T. Liebhaber 2017-12-06