COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) Form 10-Q Quarterly Reports

COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) is a publicly traded company on the Nasdaq, categorized under SIC 4899 (Communications Services, NEC). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.

Ticker: CCOI CIK: 1158324 Exchange: Nasdaq SIC 4899: Communications Services, NEC Fiscal Year End: 12/31 State: DE

Independent PCAOB Auditor

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Audit Firm Ernst & Young LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerBrett Rembold
Audit LocationTysons, Virginia, United States

Latest SEC EDGAR Filings

Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions
Form Filing Date Reporting Period Description Accession Number Actions
SCHEDULE 13G/A 2026-10-05 — SCHEDULE 13G/A Filing 0002012383-26-003317 View SEC Doc Filr Page
4 2026-09-30 2026-09-30 4 Filing 0001456823-26-000010 View SEC Doc Filr Page
4 2026-09-30 2026-09-30 4 Filing 0001790695-26-000016 View SEC Doc Filr Page
4 2026-09-30 2026-09-30 4 Filing 0001923830-26-000008 View SEC Doc Filr Page
4 2026-09-30 2026-09-30 4 Filing 0001933694-26-000009 View SEC Doc Filr Page
4 2026-09-30 2026-09-30 4 Filing 0001395643-26-000018 View SEC Doc Filr Page
4 2026-09-30 2026-09-30 4 Filing 0001901420-26-000008 View SEC Doc Filr Page
4 2026-09-30 2026-09-30 4 Filing 0001227882-26-000008 View SEC Doc Filr Page
4 2026-09-15 2026-09-15 4 Filing 0001599812-26-000008 View SEC Doc Filr Page
4 2026-09-03 2026-09-02 4 Filing 0001166978-26-000009 View SEC Doc Filr Page
144 2026-09-02 — 144 Filing 0001950047-26-008992 View SEC Doc Filr Page
SCHEDULE 13G 2026-08-07 — SCHEDULE 13G Filing 0000093751-26-000438 View SEC Doc Filr Page
10-Q 2026-08-06 2026-06-30 10-Q 0001104659-26-091790 View SEC Doc Filr Page
8-K 2026-08-06 2026-08-06 FORM 8-K 0001104659-26-091634 View SEC Doc Filr Page
SCHEDULE 13G/A 2026-07-31 — SCHEDULE 13G/A Filing 0002100121-26-000950 View SEC Doc Filr Page
4 2026-07-01 2026-06-30 4 Filing 0001923830-26-000006 View SEC Doc Filr Page
4 2026-07-01 2026-06-30 4 Filing 0001227882-26-000006 View SEC Doc Filr Page
4 2026-07-01 2026-06-30 4 Filing 0001901420-26-000006 View SEC Doc Filr Page
4 2026-07-01 2026-06-30 4 Filing 0001933694-26-000007 View SEC Doc Filr Page
4 2026-06-30 2026-06-30 4 Filing 0001395643-26-000016 View SEC Doc Filr Page
4 2026-06-30 2026-06-30 4 Filing 0001790695-26-000014 View SEC Doc Filr Page
4 2026-06-30 2026-06-30 4 Filing 0001456823-26-000008 View SEC Doc Filr Page
8-K 2026-06-29 2026-06-29 FORM 8-K 0001104659-26-078858 View SEC Doc Filr Page
SCHEDULE 13G/A 2026-06-17 — SCHEDULE 13G/A Filing 0001493152-26-029083 View SEC Doc Filr Page
4 2026-06-16 2026-06-16 4 Filing 0001166978-26-000007 View SEC Doc Filr Page