SAN DIEGO, Aug. 7, 2026 /PRNewswire/ -- Shareholder rights law firm Robbins LLP reminds investors that a securities class action lawsuit has been filed on behalf of all persons and entities that purchased or otherwise acquired Cogent Communications Holdings, Inc. (NASDAQ: CCOI) common stock between February 29, 2024 and May 1, 2026, inclusive (the "Class Period"). The lawsuit is captioned City of Southfield Fire and Police Retirement System v.