FERGUSON Lewis H 4

What Happened
Lewis H. Ferguson, a director of Cogent Communications Holdings, Inc. (CCOI), sold 2,800 shares in an open-market transaction on May 28, 2026. The shares were disposed at $20.36 per share for a total proceeds of approximately $57,008. This was a sale (not a purchase or award); sales by insiders can be routine liquidity events and are not, by themselves, proof of a change in company outlook.

Key Details

• Transaction date: 2026-05-28
• Transaction type: Open-market sale (Code: S)
• Shares sold: 2,800 at $20.36 each
• Total proceeds: ~$57,008
• Shares owned after transaction: not specified in the information provided here (see the filed Form 4 for ownership totals)
• Footnotes/plan info: no 10b5-1 plan, tax-withholding, or other notes were provided in the summary data supplied
• Filing timeliness: no late filing indicated in the provided details

Context
Sales are common among directors for diversification or personal-liquidity reasons; purchases generally carry more weight as signals of confidence. For full context—such as Ferguson’s total holdings, whether the sale was part of a pre-arranged plan, or additional related transactions—review the full SEC Form 4 (Accession No. 0001395643-26-000014).