---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-154674"
form_type: "8-K"
ticker: "CCOI"
cik: "0001158324"
company_name: "COGENT COMMUNICATIONS HOLDINGS, INC."
filed_at: "2021-12-30T23:59:59+00:00"
generated_at: "2026-06-27T21:37:35.520537+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Cogent board member Carolyn Katz resigns; Paul de Sa (former FCC official) appointed

## Summary
- Carolyn Katz resigns from board effective Dec 31, 2021; no disagreement with company.
- Paul de Sa appointed to fill vacancy effective Dec 31, 2021; he is co-founder/partner of Quadra Partners.
- De Sa previously served as FCC Chief of Strategic Planning (2009-2012, 2016-2017) and Senior Analyst at Bernstein Research.
- Directors receive $375,000 in common stock annually (quarterly installments) and $1,000 cash per in-person board meeting.

## SEC filing metadata
- accession: 0001104659-21-154674
- form_type: 8-K
- ticker: CCOI
- cik: 0001158324
- company_name: COGENT COMMUNICATIONS HOLDINGS, INC.
- filed_at: 2021-12-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1158324/000110465921154674/0001104659-21-154674-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1158324/000110465921154674/tm2136554d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-154674
- JSON: https://secwatch.observer/filing/0001104659-21-154674.json
- Plain text: https://secwatch.observer/filing/0001104659-21-154674.txt

## Key facts
- Executive change
  Paul de Sa was appointed as Director at COGENT COMMUNICATIONS HOLDINGS, INC..
  - Action: appointed
  - Role: Director
  source text: the Board has appointed Paul de Sa to serve as a director of the Company, effective December 31, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1158324/000110465921154674/0001104659-21-154674-index.htm
- Executive change
  Carolyn Katz resigned as Director at COGENT COMMUNICATIONS HOLDINGS, INC..
  - Action: resigned
  - Role: Director
  source text: On December 23, 2021, Carolyn Katz resigned from the board of directors (the “Board”) of Cogent Communications Holdings, Inc. (the “Company”), effective on December 31, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1158324/000110465921154674/0001104659-21-154674-index.htm

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