---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-017862"
form_type: "8-K"
ticker: "CCOI"
cik: "0001158324"
company_name: "COGENT COMMUNICATIONS HOLDINGS, INC."
filed_at: "2026-02-20T23:59:59+00:00"
generated_at: "2026-05-16T01:23:57.110670+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Cogent Q4 2025 revenue $240.5M, down 4.7% YoY; EPS -$0.64; adj. EBITDA margin 31.9%

## Summary
- Service revenue $240.5M in Q4, down 4.7% YoY; full-year 2025 $975.8M vs $1,036.1M in 2024.
- Net loss per share $(0.64) for Q4; full-year loss $(3.80).
- EBITDA as adjusted $76.7M in Q4, up 14.8% YoY; margin 31.9% vs 26.5%.
- Operating cash flow negative $6.0M in Q4 vs positive $14.5M a year ago; full-year negative $10.6M.
- Wavelength revenue $12.1M, up 73.7% YoY; board approved $0.02 quarterly dividend for Q1 2026.

## SEC filing metadata
- accession: 0001104659-26-017862
- form_type: 8-K
- ticker: CCOI
- cik: 0001158324
- company_name: COGENT COMMUNICATIONS HOLDINGS, INC.
- filed_at: 2026-02-20T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1158324/000110465926017862/0001104659-26-017862-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1158324/000110465926017862/tm266769d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-017862
- JSON: https://secwatch.observer/filing/0001104659-26-017862.json
- Plain text: https://secwatch.observer/filing/0001104659-26-017862.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.