Cogent Communications Holdings, Inc. SEC filings CCOI

Cogent Communications Holdings, Inc. has 1,002 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 Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 6, 2026 (results of operations). The company's fiscal year ends on December 31.

Cogent Communications Holdings, Inc. SEC filings
Form Description Filed Period
S-8 Employee stock plan registration May 4, 2026 —
S-8 Employee stock plan registration May 8, 2025 —
S-8 Employee stock plan registration May 12, 2023 —
S-8 Employee stock plan registration May 3, 2021 —
S-8 Employee stock plan registration May 1, 2019 —

Showing 5 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.

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)

Other Communications Services, NEC companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.