---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-096576"
form_type: "8-K"
ticker: "CCOI"
cik: "0001158324"
company_name: "COGENT COMMUNICATIONS HOLDINGS, INC."
filed_at: "2023-08-29T23:59:59+00:00"
generated_at: "2026-06-11T02:14:12.142285+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Cogent Communications COO Greg O'Connor departs; duties redistributed

## Summary
- Greg O'Connor, VP and COO, departed Cogent Communications effective August 28, 2023.
- His duties will be redistributed among several senior operational personnel.
- No replacement named; responsibilities absorbed by existing senior team.

## SEC filing metadata
- accession: 0001104659-23-096576
- form_type: 8-K
- ticker: CCOI
- cik: 0001158324
- company_name: COGENT COMMUNICATIONS HOLDINGS, INC.
- filed_at: 2023-08-29T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1158324/000110465923096576/0001104659-23-096576-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1158324/000110465923096576/tm2325062d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-096576
- JSON: https://secwatch.observer/filing/0001104659-23-096576.json
- Plain text: https://secwatch.observer/filing/0001104659-23-096576.txt

## Key facts
- Executive change
  Greg O'Connor departed as Vice President and Chief Operating Officer at COGENT COMMUNICATIONS HOLDINGS, INC..
  - Action: departed
  - Role: Vice President and Chief Operating Officer
  source text: Cogent Communications Holdings, Inc. (the “Company”) announces the departure of Mr. Greg O’Connor, Vice President and Chief Operating Officer with effect from August 28, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1158324/000110465923096576/0001104659-23-096576-index.htm

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