0001567619-20-000684.txt : 20200107 0001567619-20-000684.hdr.sgml : 20200107 20200107125834 ACCESSION NUMBER: 0001567619-20-000684 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200107 FILED AS OF DATE: 20200107 DATE AS OF CHANGE: 20200107 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ONEILL TIMOTHY G CENTRAL INDEX KEY: 0001166934 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51829 FILM NUMBER: 20512789 MAIL ADDRESS: STREET 1: 6285 TIMARRON COVE LN CITY: BURKE STATE: VA ZIP: 22015 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 2020-01-07 0 0001158324 COGENT COMMUNICATIONS HOLDINGS, INC. CCOI 0001166934 ONEILL TIMOTHY G 2450 N ST. NW WASHINGTON DC 20037 0 1 0 0 VP Field Engineering common stock 2020-01-07 4 S 0 2000 67.42 D 29752 D The sale of shares of common stock reported here was implemented pursuant to Mr. O'Neill's structured sale plan (10b5-1 plan). /s/ Timothy O'Neill 2020-01-07