COGENT COMMUNICATIONS HOLDINGS, INC. — 5 Filings

2 5 filings on record

This page lists all 5 filings submitted to the SEC by COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI), sorted by most recent first. Each row links to the full filing on EdgarLookup. COGENT COMMUNICATIONS HOLDINGS, INC. has filed 2 5 documents with the SEC since 2017. To view all SEC filings by COGENT COMMUNICATIONS HOLDINGS, INC., see the full filings list.

Overview All Filings Financials Insiders

All 10-K 10-Q 10-Q/A 144 144/A 3 3/A 4 4/A 424B3 424B4 424B5 424B7 425 5 8-A12B 8-A12G 8-K 8-K/A 8-K12G3 ARS CERTAMX CORRESP CT ORDER DEF 14A DEF 14C DEFA14A FWP IRANNOTICE POS AM PRE 14A PRE 14C PRER14A PRER14C RW S-1 S-1/A S-3 S-3/A S-3ASR S-4 S-4/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SC 14D9 SC 14D9/A SC TO-I SC TO-I/A SC TO-T SC TO-T/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD

Form	Description	Accession Number	Filed	Period
5	FORM 5	0001005477-07-000473	Jan 25, 2007	Dec 31, 2006
5	FORM 5	0001005477-06-000278	Jan 26, 2006	—