COGENT COMMUNICATIONS HLDGS filings

SEC filings by COGENT COMMUNICATIONS HLDGS (insiders)
TypeFiled
32004-07-15EDGAR
32004-04-09EDGAR
42004-04-01EDGAR
42004-03-31EDGAR
42004-03-31EDGAR
42004-03-31EDGAR
42004-03-31EDGAR
42004-02-27EDGAR
42004-02-19EDGAR
42004-01-21EDGAR
42004-01-21EDGAR
42004-01-21EDGAR
42004-01-21EDGAR
32003-10-31EDGAR
32003-10-30EDGAR
42003-10-14EDGAR
42003-10-14EDGAR
42003-10-14EDGAR
42003-10-10EDGAR
42003-10-10EDGAR