Cogent Communications Director Lewis Ferguson Sells 2,800 Shares

Lewis H. Ferguson, a director of Cogent Communications Holdings, Inc., sold 2,800 shares of common stock on May 28, 2026, at a price of $20.36 per share. The transaction was coded as a standard sale (Code S) and reduced his direct holdings from 23,894 shares to 21,094 shares. This represents a significant reduction of approximately 11.7% of his position. The filing indicates this was a direct ownership transaction, and the director remains a substantial shareholder with over 21,000 shares following the sale. The filing was signed by Ferguson on the same day as the transaction, indicating timely reporting of the insider trading activity.