SEC Filings

Search SEC EDGAR filings by company ticker and form type

COGENT COMMUNICATIONS HOLDINGS, INC.

144 131 filings

All 144 Filings

Complete history of 144 filings with the SEC

Date Filed	View on EDGAR
09 Jun Jun 09, 2026	open_in_new View Filing
28 May May 28, 2026	open_in_new View Filing
18 May May 18, 2026	open_in_new View Filing
05 Mar Mar 05, 2026	open_in_new View Filing
05 Mar Mar 05, 2026	open_in_new View Filing
05 Mar Mar 05, 2026	open_in_new View Filing
05 Mar Mar 05, 2026	open_in_new View Filing
11 Dec Dec 11, 2025	open_in_new View Filing
03 Dec Dec 03, 2025	open_in_new View Filing
01 Dec Dec 01, 2025	open_in_new View Filing
12 Nov Nov 12, 2025	open_in_new View Filing
04 Sep Sep 04, 2025	open_in_new View Filing
02 Sep Sep 02, 2025	open_in_new View Filing
21 Aug Aug 21, 2025	open_in_new View Filing
16 Jun Jun 16, 2025	open_in_new View Filing
16 Jun Jun 16, 2025	open_in_new View Filing
13 Jun Jun 13, 2025	open_in_new View Filing
13 Jun Jun 13, 2025	open_in_new View Filing
12 Jun Jun 12, 2025	open_in_new View Filing
12 Jun Jun 12, 2025	open_in_new View Filing
11 Jun Jun 11, 2025	open_in_new View Filing
11 Jun Jun 11, 2025	open_in_new View Filing
10 Jun Jun 10, 2025	open_in_new View Filing
10 Jun Jun 10, 2025	open_in_new View Filing
09 Jun Jun 09, 2025	open_in_new View Filing
09 Jun Jun 09, 2025	open_in_new View Filing
09 Jun Jun 09, 2025	open_in_new View Filing
06 Jun Jun 06, 2025	open_in_new View Filing
06 Jun Jun 06, 2025	open_in_new View Filing
05 Jun Jun 05, 2025	open_in_new View Filing
05 Jun Jun 05, 2025	open_in_new View Filing
04 Jun Jun 04, 2025	open_in_new View Filing
04 Jun Jun 04, 2025	open_in_new View Filing
04 Jun Jun 04, 2025	open_in_new View Filing
03 Jun Jun 03, 2025	open_in_new View Filing
03 Jun Jun 03, 2025	open_in_new View Filing
03 Jun Jun 03, 2025	open_in_new View Filing
02 Jun Jun 02, 2025	open_in_new View Filing
02 Jun Jun 02, 2025	open_in_new View Filing
30 May May 30, 2025	open_in_new View Filing
29 May May 29, 2025	open_in_new View Filing
28 May May 28, 2025	open_in_new View Filing
28 May May 28, 2025	open_in_new View Filing
27 May May 27, 2025	open_in_new View Filing
23 May May 23, 2025	open_in_new View Filing
22 May May 22, 2025	open_in_new View Filing
21 May May 21, 2025	open_in_new View Filing
20 May May 20, 2025	open_in_new View Filing
16 May May 16, 2025	open_in_new View Filing
16 May May 16, 2025	open_in_new View Filing
15 May May 15, 2025	open_in_new View Filing
14 May May 14, 2025	open_in_new View Filing
13 May May 13, 2025	open_in_new View Filing
12 May May 12, 2025	open_in_new View Filing
14 Mar Mar 14, 2025	open_in_new View Filing
11 Mar Mar 11, 2025	open_in_new View Filing
04 Mar Mar 04, 2025	open_in_new View Filing
04 Mar Mar 04, 2025	open_in_new View Filing
04 Mar Mar 04, 2025	open_in_new View Filing
03 Mar Mar 03, 2025	open_in_new View Filing
03 Mar Mar 03, 2025	open_in_new View Filing
16 Dec Dec 16, 2024	open_in_new View Filing
09 Dec Dec 09, 2024	open_in_new View Filing
04 Dec Dec 04, 2024	open_in_new View Filing
02 Dec Dec 02, 2024	open_in_new View Filing
02 Dec Dec 02, 2024	open_in_new View Filing
25 Nov Nov 25, 2024	open_in_new View Filing
21 Nov Nov 21, 2024	open_in_new View Filing
18 Nov Nov 18, 2024	open_in_new View Filing
14 Nov Nov 14, 2024	open_in_new View Filing
12 Nov Nov 12, 2024	open_in_new View Filing
12 Nov Nov 12, 2024	open_in_new View Filing
11 Sep Sep 11, 2024	open_in_new View Filing
10 Sep Sep 10, 2024	open_in_new View Filing
04 Sep Sep 04, 2024	open_in_new View Filing
03 Sep Sep 03, 2024	open_in_new View Filing
03 Sep Sep 03, 2024	open_in_new View Filing
27 Aug Aug 27, 2024	open_in_new View Filing
27 Aug Aug 27, 2024	open_in_new View Filing
22 Aug Aug 22, 2024	open_in_new View Filing
20 Aug Aug 20, 2024	open_in_new View Filing
14 Jun Jun 14, 2024	open_in_new View Filing
12 Jun Jun 12, 2024	open_in_new View Filing
10 Jun Jun 10, 2024	open_in_new View Filing
04 Jun Jun 04, 2024	open_in_new View Filing
03 Jun Jun 03, 2024	open_in_new View Filing
23 May May 23, 2024	open_in_new View Filing
21 May May 21, 2024	open_in_new View Filing
13 May May 13, 2024	open_in_new View Filing
14 Mar Mar 14, 2024	open_in_new View Filing
13 Mar Mar 13, 2024	open_in_new View Filing
06 Mar Mar 06, 2024	open_in_new View Filing
04 Mar Mar 04, 2024	open_in_new View Filing
04 Mar Mar 04, 2024	open_in_new View Filing
01 Mar Mar 01, 2024	open_in_new View Filing
26 Dec Dec 26, 2023	open_in_new View Filing
21 Dec Dec 21, 2023	open_in_new View Filing
14 Dec Dec 14, 2023	open_in_new View Filing
13 Dec Dec 13, 2023	open_in_new View Filing
11 Dec Dec 11, 2023	open_in_new View Filing
07 Dec Dec 07, 2023	open_in_new View Filing
05 Dec Dec 05, 2023	open_in_new View Filing
04 Dec Dec 04, 2023	open_in_new View Filing
01 Dec Dec 01, 2023	open_in_new View Filing
30 Nov Nov 30, 2023	open_in_new View Filing
30 Nov Nov 30, 2023	open_in_new View Filing
27 Nov Nov 27, 2023	open_in_new View Filing
16 Nov Nov 16, 2023	open_in_new View Filing
15 Nov Nov 15, 2023	open_in_new View Filing
14 Nov Nov 14, 2023	open_in_new View Filing
15 Sep Sep 15, 2023	open_in_new View Filing
11 Sep Sep 11, 2023	open_in_new View Filing
07 Sep Sep 07, 2023	open_in_new View Filing
06 Sep Sep 06, 2023	open_in_new View Filing
05 Sep Sep 05, 2023	open_in_new View Filing
01 Sep Sep 01, 2023	open_in_new View Filing
29 Aug Aug 29, 2023	open_in_new View Filing
25 Aug Aug 25, 2023	open_in_new View Filing
11 Aug Aug 11, 2023	open_in_new View Filing
10 Aug Aug 10, 2023	open_in_new View Filing
14 Jun Jun 14, 2023	open_in_new View Filing
06 Jun Jun 06, 2023	open_in_new View Filing
05 Jun Jun 05, 2023	open_in_new View Filing
05 Jun Jun 05, 2023	open_in_new View Filing
01 Jun Jun 01, 2023	open_in_new View Filing
12 May May 12, 2023	open_in_new View Filing
10 May May 10, 2023	open_in_new View Filing
09 May May 09, 2023	open_in_new View Filing
03 May May 03, 2023	open_in_new View Filing
17 Apr Apr 17, 2023	open_in_new View Filing
07 Mar Mar 07, 2023	open_in_new View Filing