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COGENT COMMUNICATIONS HOLDINGS, INC. — All Filings

1,000 total filings on record

Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.

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
4 0001415889-23-013101 Sep 8, 2023 Sep 7, 2023
144 0001968582-23-000480 Sep 7, 2023
144 0001949846-23-000318 Sep 6, 2023
4 0001415889-23-012890 Sep 5, 2023 Sep 1, 2023
4 0001415889-23-012893 Sep 5, 2023
144 0001972362-23-000773 Sep 5, 2023
144 0001949846-23-000309 Sep 1, 2023
8-K FORM 8-K 0001104659-23-096576 Aug 29, 2023 Aug 28, 2023
144 0001415889-23-012738 Aug 29, 2023
4 0001415889-23-012739 Aug 29, 2023
144 0001415889-23-012630 Aug 25, 2023
4 0001415889-23-012632 Aug 25, 2023 Aug 24, 2023
4 0001415889-23-012204 Aug 14, 2023 Aug 10, 2023
144 0001972362-23-000639 Aug 11, 2023
144 0001972362-23-000622 Aug 10, 2023
8-K FORM 8-K 0001104659-23-089550 Aug 10, 2023
8-K/A FORM 8-K/A 0001104659-23-089811 Aug 10, 2023
10-Q 10-Q 0001410578-23-001625 Aug 9, 2023 Jun 30, 2023
3 0001415889-23-011794 Aug 3, 2023 Aug 2, 2023
8-K FORM 8-K 0001104659-23-084424 Jul 27, 2023 Jul 25, 2023
8-K/A FORM 8-K/A 0001104659-23-081600 Jul 17, 2023 May 1, 2023
4 0001415889-23-010862 Jul 6, 2023 Jul 1, 2023
4 0001415889-23-010699 Jul 5, 2023 Jul 1, 2023
4 0001415889-23-010654 Jul 5, 2023 Jul 1, 2023
4 0001415889-23-010649 Jul 5, 2023 Jul 1, 2023
4 0001415889-23-010650 Jul 5, 2023 Jul 1, 2023
4 0001415889-23-010653 Jul 5, 2023 Jul 1, 2023
4 0001415889-23-010655 Jul 5, 2023 Jul 1, 2023
4 0001415889-23-010575 Jul 3, 2023 Jul 1, 2023
4 0001415889-23-009915 Jun 16, 2023 Jun 14, 2023
144 0001114667-23-000006 Jun 14, 2023
4 0001415889-23-009432 Jun 8, 2023 Jun 6, 2023
4 0001415889-23-009441 Jun 8, 2023
4 0001415889-23-009371 Jun 7, 2023 Jun 6, 2023
144 0001949846-23-000123 Jun 6, 2023
4 0001415889-23-009225 Jun 5, 2023
144 0001972362-23-000292 Jun 5, 2023
144 0001968582-23-000197 Jun 5, 2023
4 0001415889-23-009070 Jun 2, 2023 Jun 1, 2023
144 0001949846-23-000112 Jun 1, 2023
4 0001415889-23-008999 Jun 1, 2023 May 30, 2023
4 0001415889-23-008958 May 31, 2023 May 30, 2023
144 0001114667-23-000002 May 12, 2023
S-8 FORM S-8 0001104659-23-059714 May 12, 2023
4 0001415889-23-007890 May 12, 2023 May 10, 2023
4 0001415889-23-007891 May 12, 2023 May 11, 2023
144/A 0001114667-23-000004 May 12, 2023
4 0001415889-23-007718 May 10, 2023 May 9, 2023
144 0001968582-23-000091 May 10, 2023
144 0001972362-23-000101 May 9, 2023