CCOI INVESTIGATION ALERT: Robbins Geller Rudman & Dowd LLP Launches Investigation into Cogent Communications Holdings, Inc., and Encourages Investors and Potential Witnesses to Contact Law Firm

Group 1 - The law firm Robbins Geller Rudman & Dowd LLP is investigating potential violations of U.S. federal securities laws involving Cogent Communications Holdings, Inc. [1] - The investigation focuses on whether Cogent Communications and its top executives made false or misleading statements or failed to disclose material information to investors [1] - Cogent Communications reported a nearly 6% year-over-year decrease in service revenue for Q3 2025 and announced a 98% cut in its dividend, leading to a nearly 35% drop in share price [3] Group 2 - Cogent Communications provides high-speed internet access, private network, and data center colocation space services [3] - Robbins Geller is recognized as one of the leading law firms in securities fraud and shareholder litigation, having recovered over $2.5 billion for investors in 2024 [4]