Cogent Communications SEC Filings
NASDAQ: CCOIConsumer DiscretionaryTelecommunications EquipmentUSD
8.54-1.02 (-10.67%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Cogent Communications filing overview
This page lists 60 recent SEC filings by Cogent Communications (CCOI), including 39 4, 8 8-K, 6 SCHEDULE 13G/A, 3 SCHEDULE 13G. The latest annual report (10-K) was filed on Feb 20, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 6, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 6, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
CCOI SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Oct 5, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Sep 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Aug 6, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 6, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jul 31, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jul 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 29, 2026 | 8-K | Regulation FD Disclosure | View on EDGAR |
| Jun 17, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jun 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 15, 2026 | 8-K | Entry into a Material Definitive Agreement | View on EDGAR |
| Jun 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 26, 2026 | 8-K | Entry into a Material Definitive Agreement; Other Events | View on EDGAR |
| May 22, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| May 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 4, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 4, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 4, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Submission of Matters to a Vote of Security Holders | View on EDGAR |
| May 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 29, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Apr 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 31, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 31, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 31, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 31, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 31, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 31, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 31, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 26, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 20, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Mar 9, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 20, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Feb 20, 2026 | 10-K | Annual report | View on EDGAR |
| Feb 17, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jan 23, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jan 7, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |