COGENT COMMUNICATIONS HLDGS filings

SEC filings by COGENT COMMUNICATIONS HLDGS (insiders)
TypeFiled
42003-10-10EDGAR
42003-10-10EDGAR
42003-10-10EDGAR
42003-08-28EDGAR
42003-08-13EDGAR
42003-08-05EDGAR
42003-08-05EDGAR
42003-08-05EDGAR
42003-08-05EDGAR
42003-08-04EDGAR
42003-08-04EDGAR
42003-08-04EDGAR
42003-08-04EDGAR
42003-08-01EDGAR
32002-06-13EDGAR
32002-06-13EDGAR
32002-04-09EDGAR
32002-04-09EDGAR
32002-04-02EDGAR
32002-04-02EDGAR