CCOI INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Cogent Communications Holdings, Inc. Stockholders with Substantial Losses Have Opportunity to Lead Class Action Lawsuit!

Bronstein, Gewirtz and Grossman, LLC has announced a class action lawsuit against Cogent Communications Holdings, Inc. (NASDAQ:CCOI) due to alleged violations of federal securities laws. The lawsuit claims that Cogent made materially false and misleading statements regarding its business, operations, and financial condition, specifically concerning its optical wavelength backlog, customer demand, financial capacity, and dividend policy. Stockholders who incurred substantial losses between February 29, 2024, and May 1, 2026, are encouraged to join the lawsuit by September 21, 2026.