Form 4 Filing for Cogent Communications Holdings, Inc.

This filing details a transaction by Thaddeus Gerard Weed, Vice President and CFO of Cogent Communications Holdings, Inc. (CCOI). On June 16, 2026, Mr. Weed disposed of 4,850 shares of common stock at a price of $16.7906 per share. Following this transaction, Mr. Weed directly owns 197,900 shares of common stock. The filing is made on Form 4, indicating a change in beneficial ownership.