CCOI - Company ID 0001158324
COGENT COMMUNICATIONS HOLDINGS, INC. has filed 2,511 public company documents between 2001 and 2026. The most frequent type is insider trade (1,647 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| DEF 14C | DEF 14C | 21y ago2005-04-29 | 2005-06-16 | View filing |
| DEF 14C | DEF 14C | 21y ago2005-03-01 | 2005-03-02 | View filing |
| DEF 14C | DEF 14C | 21y ago2004-12-23 | 2004-12-23 | View filing |
| DEF 14C | DEF 14C | 21y ago2004-10-06 | 2004-10-07 | View filing |
| DEF 14C | DEF 14C | 22y ago2004-06-21 | 2004-06-21 | View filing |
| DEF 14C | DEF 14C | 22y ago2004-06-21 | 2004-06-21 | View filing |
| DEF 14C | DEF 14C | 22y ago2004-05-07 | 2004-05-08 | View filing |
| DEF 14C | DEF 14C | 22y ago2004-04-29 | 2004-12-31 | View filing |
| DEF 14C | DEF 14C | 23y ago2003-07-11 | 2003-07-11 | View filing |
| DEF 14C | DEF 14C | 23y ago2003-04-24 | 2003-06-12 | View filing |
| DEF 14C | DEF 14C | 23y ago2003-02-12 | 2003-02-12 | View filing |
| DEF 14C | DEF 14C | 24y ago2002-04-26 | 2002-06-13 | View filing |