Cogent Communications Holdings, Inc. SEC filings CCOI
Cogent Communications Holdings, Inc. has 1,004 filings in SEC EDGAR's recent list, going back to May 9, 2018. Its latest annual report, Form ARS, was filed on Mar 20, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| UPLOAD | Letter from the SEC | May 23, 2018 | — |
| CORRESP | Letter to the SEC | May 17, 2018 | — |
| UPLOAD | Letter from the SEC | May 9, 2018 | — |
Showing 3 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Communications Services, NEC (SIC 4899)
- Listed as
- CCOI (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Washington, DC
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1158324
- Former names
- COGENT COMMUNICATIONS GROUP INC (until Jun 26, 2014)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.