SEC Filings

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COGENT COMMUNICATIONS HOLDINGS, INC.

3 47 filings

All 3 Filings

Complete history of 3 filings with the SEC

Date Filed	View on EDGAR
03 Sep Sep 03, 2025	open_in_new View Filing
03 Aug Aug 03, 2023	open_in_new View Filing
03 May May 03, 2023	open_in_new View Filing
01 Sep Sep 01, 2022	open_in_new View Filing
01 Jul Jul 01, 2022	open_in_new View Filing
04 May May 04, 2022	open_in_new View Filing
29 Apr Apr 29, 2022	open_in_new View Filing
03 Jan Jan 03, 2022	open_in_new View Filing
11 May May 11, 2020	open_in_new View Filing
19 Mar Mar 19, 2020	open_in_new View Filing
07 Nov Nov 07, 2019	open_in_new View Filing
07 Nov Nov 07, 2019	open_in_new View Filing
07 Aug Aug 07, 2019	open_in_new View Filing
01 Oct Oct 01, 2018	open_in_new View Filing
01 Oct Oct 01, 2015	open_in_new View Filing
19 Feb Feb 19, 2014	open_in_new View Filing
01 Aug Aug 01, 2013	open_in_new View Filing
09 Mar Mar 09, 2010	open_in_new View Filing
06 Apr Apr 06, 2007	open_in_new View Filing
22 Nov Nov 22, 2006	open_in_new View Filing
24 Mar Mar 24, 2006	open_in_new View Filing
30 Jun Jun 30, 2005	open_in_new View Filing
17 Feb Feb 17, 2005	open_in_new View Filing
05 Nov Nov 05, 2004	open_in_new View Filing
11 Aug Aug 11, 2004	open_in_new View Filing
15 Jul Jul 15, 2004	open_in_new View Filing
09 Apr Apr 09, 2004	open_in_new View Filing
31 Oct Oct 31, 2003	open_in_new View Filing
30 Oct Oct 30, 2003	open_in_new View Filing
13 Jun Jun 13, 2002	open_in_new View Filing
13 Jun Jun 13, 2002	open_in_new View Filing
09 Apr Apr 09, 2002	open_in_new View Filing
09 Apr Apr 09, 2002	open_in_new View Filing
02 Apr Apr 02, 2002	open_in_new View Filing
02 Apr Apr 02, 2002	open_in_new View Filing
02 Apr Apr 02, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing
13 Mar Mar 13, 2002	open_in_new View Filing