---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-022963"
form_type: "8-K"
ticker: "CCOI"
cik: "0001158324"
company_name: "COGENT COMMUNICATIONS HOLDINGS, INC."
filed_at: "2025-03-12T23:59:59+00:00"
generated_at: "2026-05-24T22:05:09.896637+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Cogent extends headquarters lease with CEO-owned landlord through 2030 at same rent

## Summary
- Cogent Communications, LLC extended its lease for 43,117 sq ft at 2450 N St, NW, Washington DC until May 10, 2030.
- The lease is with Sodium LLC, an entity owned by CEO David Schaeffer (related party transaction).
- Fixed annual rent remains unchanged at approximately $991,691; Cogent may terminate on 60 days' notice.
- Audit Committee of the Board reviewed and approved the Second Amendment to Lease Agreement.

## SEC filing metadata
- accession: 0001104659-25-022963
- form_type: 8-K
- ticker: CCOI
- cik: 0001158324
- company_name: COGENT COMMUNICATIONS HOLDINGS, INC.
- filed_at: 2025-03-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1158324/000110465925022963/0001104659-25-022963-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1158324/000110465925022963/tm258797d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-022963
- JSON: https://secwatch.observer/filing/0001104659-25-022963.json
- Plain text: https://secwatch.observer/filing/0001104659-25-022963.txt

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