New York, New York--(Newsfile Corp. - September 21, 2026) - Kaplan Fox & Kilsheimer LLP announces that a class action lawsuit has been filed against Cogent Communications Holdings, Inc. ("Cogent" or the "Company") (NASDAQ: CCOI) on behalf of investors that purchased or otherwise acquired Cogent securities between February 29, 2024 and May 1, 2026 (the "Class Period").CLICK HERE TO JOIN THE CASEIf you are an investor in Cogent and have suffered losses, you may CLICK HERE to contact us. You may also contact ...