Trade Summary

Yesterday, FERGUSON Lewis H, serving as Dir at COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI), sold 2,800 shares at $20.36 per share, for a total transaction value of $57,008.00. Following this transaction, FERGUSON Lewis H now holds 21,094 shares of CCOI.

This sale represents a 11.72% decrease in FERGUSON Lewis H's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Thursday, May 28, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, May 28, 2026 at 4:01 PM ET, meaning the disclosure happened on the same day as the trade.

COGENT COMMUNICATIONS HOLDINGS, INC. operates in the COMMUNICATION SERVICES sector, specifically within the TELECOM SERVICES industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.