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COGENT COMMUNICATIONS HOLDINGS, INC. — 10-K Filings

25 10-K filings on record

This page lists all 10-K 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 25 10-K 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
10-K 10-K 0001104659-26-017968 Feb 20, 2026 Dec 31, 2025
10-K 10-K 0001410578-25-000226 Feb 28, 2025 Dec 31, 2024
10-K 10-K 0001410578-24-000091 Feb 29, 2024 Dec 31, 2023
10-K FORM 10K 0001104659-23-025123 Feb 24, 2023 Dec 31, 2022
10-K FORM 10-K 0001104659-22-027066 Feb 25, 2022 Dec 31, 2021
10-K 10-K 0001104659-21-028924 Feb 26, 2021 Dec 31, 2020
10-K 10-K 0001104659-20-026777 Feb 28, 2020 Dec 31, 2019
10-K 10-K 0001047469-19-000604 Feb 22, 2019 Dec 31, 2018
10-K 10-K 0001047469-18-000988 Feb 23, 2018 Dec 31, 2017
10-K 10-K 0001047469-17-000932 Feb 24, 2017 Dec 31, 2016
10-K 10-K 0001047469-16-010372 Feb 24, 2016 Dec 31, 2015
10-K 10-K 0001047469-15-001355 Feb 27, 2015 Dec 31, 2014
10-K 10-K 0001047469-14-001543 Feb 28, 2014 Dec 31, 2013
10-K 10-K 0001047469-13-001769 Feb 27, 2013 Dec 31, 2012
10-K 10-K 0001047469-12-001587 Feb 27, 2012 Dec 31, 2011
10-K 10-K 0001047469-11-001528 Feb 28, 2011 Dec 31, 2010
10-K 10-K 0001047469-10-001663 Mar 1, 2010 Dec 31, 2009
10-K 10-K 0001047469-09-002076 Mar 2, 2009 Dec 31, 2008
10-K 10-K 0001047469-08-001834 Feb 27, 2008 Dec 31, 2007
10-K 10-K 0001104659-07-018892 Mar 14, 2007 Dec 31, 2006
10-K ANNUAL REPORT PURSUANT TO SECTION 13 AND 15(D) 0001104659-06-017016 Mar 16, 2006 Dec 31, 2005
10-K 10-K 0001104659-05-014451 Mar 31, 2005 Dec 31, 2004
10-K FORM 10-K 0001047469-04-010013 Mar 30, 2004 Dec 31, 2003
10-K 10-K 0001047469-03-011242 Mar 31, 2003 Dec 31, 2002
10-K FORM 10-K 0000912057-02-012716 Mar 29, 2002 Dec 31, 2001