0001415889-25-021353.txt : 20250808 0001415889-25-021353.hdr.sgml : 20250808 20250808170329 ACCESSION NUMBER: 0001415889-25-021353 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250807 FILED AS OF DATE: 20250808 DATE AS OF CHANGE: 20250808 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SCHAEFFER DAVE CENTRAL INDEX KEY: 0001166976 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51829 FILM NUMBER: 251199318 MAIL ADDRESS: STREET 1: C/O COGENT COMMUNICATIONS HOLDINGS, INC. STREET 2: 2450 N ST NW, 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 EIN: 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 form4-08082025_090826.xml X0508 4 2025-08-07 0001158324 COGENT COMMUNICATIONS HOLDINGS, INC. CCOI 0001166976 SCHAEFFER DAVE 2450 N ST NW 4TH FLOOR WASHINGTON DC 20037 true true false false CHAIRMAN, CEO, AND PRESIDENT 0 common stock 2025-08-07 4 S 0 1840669 32.60 D 1516052 D The sales reported on this Form 4 represent a non-volitional transfer of Common Stock by the Reporting Person to one of the Reporting Person's lenders effectuated by the lender pursuant to the Reporting Person's margin loan facility. The lender then sold the Common Stock to one of its affiliates at a 7% discount to the then market price. /s/ David Schaeffer 2025-08-08