Cogent Communications Holdings, Inc.
CCOINasdaqCIK 1158324CommunicationFiscal year ends Dec 31
Reports and events: 275 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-08-0615:21 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001104659-26-091790 |
| 2026-08-0611:19 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-091634 |
| 2026-06-2920:29 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-078858 |
| 2026-06-1520:20 ET | 8-K | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001104659-26-074046 |
| 2026-05-2620:15 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-066279 |
| 2026-05-0419:35 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001104659-26-054817 |
| 2026-05-0415:52 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001104659-26-054611 |
| 2026-05-0411:05 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-054436 |
| 2026-03-2020:29 ET | DEF 14A | Proxy statementPeriod 2026-05-01 | 0001104659-26-032744 |
| 2026-02-2016:11 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001104659-26-017968 |
| 2026-02-2012:20 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-017862 |
| 2026-01-0721:03 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001104659-26-001748 |
| 2025-11-1722:30 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-113284 |
| 2025-11-0616:13 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001104659-25-107544 |
| 2025-11-0612:16 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-107367 |
| 2025-08-1520:30 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure | 0001104659-25-079272 |
| 2025-08-0714:49 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0001410578-25-001593 |
| 2025-08-0711:29 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-074979 |
| 2025-06-1720:15 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-25-060259 |
| 2025-06-0320:51 ET | 8-K | 7.01 Regulation FD disclosure | 0001104659-25-056008 |
| 2025-06-0217:39 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-055357 |
| 2025-05-0816:19 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001104659-25-046003 |
| 2025-05-0815:47 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0001410578-25-001105 |
| 2025-05-0811:18 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-045878 |
| 2025-04-1120:41 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-25-034257 |
| 2025-04-0421:06 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-032266 |
| 2025-03-2620:00 ET | DEF 14A | Proxy statementPeriod 2025-05-07 | 0001104659-25-028214 |
| 2025-03-1220:01 ET | 8-K | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001104659-25-022963 |
| 2025-02-2815:13 ET | 10-K | Annual reportPeriod 2024-12-31 | 0001410578-25-000226 |
| 2025-02-2712:30 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-017789 |
| 2025-01-1521:01 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001104659-25-003746 |
| 2024-11-0717:14 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0001410578-24-001788 |
| 2024-11-0712:21 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-115061 |
| 2024-08-0815:59 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0001410578-24-001206 |
| 2024-08-0811:15 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-087003 |
| 2024-06-1120:35 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-24-070425 |
| 2024-06-0620:35 ET | 8-K | 7.01 Regulation FD disclosure | 0001104659-24-069113 |
| 2024-06-0511:47 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-24-068515 |
| 2024-05-0916:28 ET | 10-Q | Quarterly reportPeriod 2024-03-31 | 0001410578-24-000677 |
| 2024-05-0911:15 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-059108 |
| 2024-05-0820:02 ET | 8-K | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001104659-24-058652 |
| 2024-05-0622:25 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-24-057099 |
| 2024-04-2514:07 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-24-051723 |
| 2024-04-1923:49 ET | 8-K | 7.01 Regulation FD disclosure | 0001104659-24-048968 |
| 2024-03-2520:00 ET | DEF 14A | Proxy statementPeriod 2024-05-08 | 0001104659-24-038424 |
| 2024-02-2916:34 ET | 10-K | Annual reportPeriod 2023-12-31 | 0001410578-24-000091 |
| 2024-02-2912:08 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-029043 |
| 2024-01-0522:13 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001104659-24-001889 |
| 2023-11-0921:03 ET | 10-Q | Quarterly reportPeriod 2023-09-30 | 0001410578-23-002293 |
| 2023-11-0912:23 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-23-115992 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:05 ET. Listed shows no prices and gives no investment advice.