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
ARS Annual report to shareholders Mar 20, 2026 Dec 31, 2025
10-K Annual report Feb 20, 2026 Dec 31, 2025
ARS Annual report to shareholders Mar 26, 2025 Dec 31, 2024
10-K Annual report Feb 28, 2025 Dec 31, 2024
ARS Annual report to shareholders Mar 25, 2024 Dec 31, 2023
10-K Annual report Feb 29, 2024 Dec 31, 2023
ARS Annual report to shareholders Mar 15, 2023 Dec 31, 2022
10-K Annual report Feb 24, 2023 Dec 31, 2022
10-K Annual report Feb 25, 2022 Dec 31, 2021
10-K Annual report Feb 26, 2021 Dec 31, 2020
10-K Annual report Feb 28, 2020 Dec 31, 2019
10-K Annual report Feb 22, 2019 Dec 31, 2018

Showing 12 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.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

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.