COGENT COMMUNICATIONS HOLDINGS, INC.

CCOI - CIK 0001158324

Market cap$794.23 M

Rank#2665

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
Annual report	10-K	2003-03-31	2002-12-31
Major company event	8-K	2003-03-03	2003-02-28
Passive ownership stake (update)	SC 13G/A	2003-02-14	-
Passive ownership stake	SC 13G	2003-02-14	-
DEF 14C	-	2003-02-12	2003-02-12
Passive ownership stake (update)	SC 13G/A	2003-02-07	-
PRER14C	-	2003-02-06	-
Major company event	8-K	2003-01-29	2003-01-28
PRE 14C	-	2003-01-28	2003-02-03
RW	-	2003-01-14	-
Major company event	8-K	2002-11-13	2002-11-13
Quarterly report	10-Q	2002-11-13	2002-09-30
POS AM	-	2002-08-30	-
Major company event	8-K	2002-08-14	2002-08-14
Quarterly report	10-Q	2002-08-14	2002-06-30
Major company event	8-K	2002-07-10	2002-07-10
S-1/A	-	2002-07-02	-
Major company event (amended)	8-K/A	2002-06-17	2002-04-04
New insider ownership	3	2002-06-13	2002-06-05
New insider ownership	3	2002-06-13	2002-02-04
Proxy statement	DEF 14A	2002-05-21	2002-06-13
Quarterly report	10-Q	2002-05-15	2002-03-31
DEF 14C	-	2002-04-26	2002-06-13
3/A	-	2002-04-24	2002-03-23
New insider ownership	3	2002-04-09	2002-02-04
New insider ownership	3	2002-04-09	2002-02-04
Major company event	8-K	2002-04-04	2002-04-04
New insider ownership	3	2002-04-02	2002-02-04
New insider ownership	3	2002-04-02	2002-02-04
New insider ownership	3	2002-04-02	2002-03-31
Annual report	10-K	2002-03-29	2001-12-31
New insider ownership	3	2002-03-13	2002-02-28
New insider ownership	3	2002-03-13	2002-02-28
New insider ownership	3	2002-03-13	2002-02-28
New insider ownership	3	2002-03-13	2002-02-28
New insider ownership	3	2002-03-13	2002-02-28
New insider ownership	3	2002-03-13	2002-02-28
New insider ownership	3	2002-03-13	2002-02-28
New insider ownership	3	2002-03-13	2002-02-28
New insider ownership	3	2002-03-13	2002-02-28
New insider ownership	3	2002-03-13	2002-02-28
New insider ownership	3	2002-03-13	2002-02-28
Major company event	8-K	2002-02-27	2002-02-26
Passive ownership stake	SC 13G	2002-02-19	-
Major company event (amended)	8-K/A	2002-02-13	2002-02-04
S-1/A	-	2002-02-13	-
S-1/A	-	2002-02-12	-
Major company event	8-K	2002-02-05	2002-02-04
POS AM	-	2002-02-04	-
CERTAMX	-	2002-01-30	-