0001140361-15-011452.txt : 20150312 0001140361-15-011452.hdr.sgml : 20150312 20150312131634 ACCESSION NUMBER: 0001140361-15-011452 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150312 FILED AS OF DATE: 20150312 DATE AS OF CHANGE: 20150312 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: COGENT COMMUNICATIONS HOLDINGS, INC. CENTRAL INDEX KEY: 0001158324 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 522337274 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1015 31ST STREET CITY: WASHINGTON STATE: DC ZIP: 20007 BUSINESS PHONE: 2022954200 MAIL ADDRESS: STREET 1: 1015 31ST STREET NW CITY: WASHINGTON STATE: DC ZIP: 20007 FORMER COMPANY: FORMER CONFORMED NAME: COGENT COMMUNICATIONS GROUP INC DATE OF NAME CHANGE: 20010828 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: 15695294 4 1 doc1.xml FORM 4 X0306 4 2015-03-12 0 0001158324 COGENT COMMUNICATIONS HOLDINGS, INC. CCOI 0001182381 LIEBHABER RICHARD 1015 31ST ST. NW WASHINGTON DC 20007 1 0 0 0 common stock 2015-03-12 4 S 0 4000 34.3706 D 65220 D On March 12, 2015, Liebhaber & Associates, a business entity controlled by Mr. Liebhaber, a director of the Company, sold 4,000 shares. Richard T. Liebhaber 2015-03-12