COGENT COMMUNICATIONS HOLDINGS, INC.

CCOI - CIK 0001158324

Market cap$747.16 M

Rank#2666

SEC filings2,511

COGENT COMMUNICATIONS HOLDINGS, INC. has filed 2,511 documents with the SEC 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.

Filing	Type	Filed	Period covered
Insider trade (amended)	4/A	2025-06-09	2024-12-01
Insider trade (amended)	4/A	2025-05-19	2025-05-16
Insider trade (amended)	4/A	2024-10-22	2024-10-01
Insider trade (amended)	4/A	2024-03-14	2024-03-12
Insider trade (amended)	4/A	2024-03-14	2024-03-12
Insider trade (amended)	4/A	2024-03-14	2024-03-11
Insider trade (amended)	4/A	2024-02-14	2024-02-01
Insider trade (amended)	4/A	2024-01-30	2024-01-03
Insider trade (amended)	4/A	2024-01-03	2024-01-01
Insider trade (amended)	4/A	2023-10-02	2023-01-03
Insider trade (amended)	4/A	2021-03-01	2021-02-24
Insider trade (amended)	4/A	2016-06-15	2016-05-04
Insider trade (amended)	4/A	2012-09-27	2012-08-24
Insider trade (amended)	4/A	2011-07-15	2011-07-13
Insider trade (amended)	4/A	2007-03-22	2007-03-16
Insider trade (amended)	4/A	2006-09-14	2006-09-12
Insider trade (amended)	4/A	2003-10-31	2003-10-10