Lewis H. Ferguson - 30 Jun 2026 Form 4 Insider Report for COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI)

Reporting relationship: Director
Issuer ticker: CCOI
Reported as of: 30 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 30 Jun 2026, 17:04:45 UTC
Prior SEC filing: 28 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Lewis Ferguson

Key filing fact

Lewis H. Ferguson filed Form 4 for COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) on 30 Jun 2026.

Key facts

This page summarizes Lewis H. Ferguson's Form 4 filing for COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 30 Jun 2026, 17:04.

Change

Previous filing in this sequence was filed on 28 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001395643 Primary reporting owner

FERGUSON Lewis H

Relationship: Director
Address: 2450 N ST NW, 4TH FLOOR, WASHINGTON
Signature: /s/ Lewis Ferguson
Signature date: 30 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CCOI transaction

common stock

Award

Transaction value
Shares: +3,445
Change %: +16%
Price: $0.000000^*
Shares after: 24,539
Date: 30 Jun 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The shares of common stock reported reflects a quarterly payment to directors for Q2 2026 service. All shares are owned directly by Mr. Ferguson, a director of Cogent Communications Holdings, Inc.