CCOI INVESTOR ALERT: RGRD Law Files Class Action Lawsuit Against Cogent Communications Holdings, Inc. and Announces that Investors with Substantial Losses Have Opportunity to Lead the Cogent Class Action Lawsuit

SAN DIEGO, July 26, 2026 /PRNewswire/ -- The law firm of Robbins Geller Rudman & Dowd LLP announces that purchasers of Cogent Communications Holdings, Inc. (NASDAQ: CCOI) common stock between February 29, 2024 and May 1, 2026 (the "Class Period"), have until September 21, 2026 to seek...