Cogent Communications Holdings, Inc. - Common Stock (CCOI)

New York, New York and New Orleans, Louisiana--(Newsfile Corp. - July 27, 2026) - Kahn Swick & Foti, LLC ("KSF")...

PHILADELPHIA, July 27, 2026 (GLOBE NEWSWIRE) --

Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Cogent Communications Holdings, Inc. ("“Cogent” or the “Company”) (NASDAQ: CCOI) and reminds investors of the September 21, 2026 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.

The DJS Law Group reminds investors of a class action lawsuit against Cogent Communications Holdings, Inc. (“Cogent” or “the Company”) (NASDAQ: CCOI) violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission.

NEW YORK, July 25, 2026 (GLOBE NEWSWIRE) --

Why: Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of purchasers of common stock of Cogent Communications Holdings, Inc. (NASDAQ: CCOI) between February 29, 2024 and May 1, 2026, inclusive (the “Class Period”). Cogent Communications is one of the largest carriers of internet traffic in the world.

NEW YORK, July 24, 2026 (GLOBE NEWSWIRE) --

Kahn Swick & Foti, LLC (“KSF”) and KSF partner, former Attorney General of Louisiana, Charles C. Foti, Jr., remind investors with substantial losses that they have until September 21, 2026 to file lead plaintiff applications in a securities class action lawsuit against Cogent Communications Holdings, Inc. ("Cogent" or the "Company") (NasdaqGS: CCOI), if they purchased the Company’s shares between February 29, 2024 and May 1, 2026, inclusive (the “Class Period”). This action is pending in the United States District Court for the District of Columbia.

The Schall Law Firm, a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Cogent Communications Holdings, Inc. (“Cogent” or “the Company”) (NASDAQ: CCOI) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission.

Leading securities law firm Bleichmar Fonti & Auld LLP announces that a class action lawsuit has been filed against Cogent Communications Holdings, Inc. (NASDAQ:CCOI) and certain of the company’s senior executives for securities fraud after significant stock drops resulting from potential violations of the federal securities laws.

Robbins LLP informs stockholders that a class action was filed on behalf of all investors who purchased or otherwise acquired Cogent Communications Holdings, Inc. (NASDAQ: CCOI) securities between February 29, 2024 and May 2, 2026. Cogent is one of the largest carriers of internet traffic in the world.

NEW YORK, May 19, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Cogent Communications Holdings, Inc. (“Cogent” or the “Company”) (NASDAQ: CCOI). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.

NEW YORK, May 12, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Cogent Communications Holdings, Inc. (“Cogent” or the “Company”) (NASDAQ: CCOI).  Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.

Rosen Law Firm, a global investor rights law firm, announces an investigation of potential breaches of fiduciary duties by the directors and officers of Cogent Communications Holdings, Inc. (NASDAQ: CCOI).

Rosen Law Firm, a global investor rights law firm, announces an investigation of potential breaches of fiduciary duties by the directors and officers of Cogent Communications Holdings, Inc. (NASDAQ: CCOI).

NEW YORK, Feb. 03, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Cogent Communications Holdings, Inc. (“Cogent” or the “Company”) (NASDAQ: CCOI). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.

NEW YORK, Jan. 27, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Cogent Communications Holdings, Inc.  (“Cogent” or the “Company”) (NASDAQ: CCOI).   Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.   

Glancy Prongay & Murray LLP, a leading national shareholder rights law firm, today announced that it is investigating potential claims against the board of directors of Cogent Communications Holdings, Inc. (“Cogent” or the “Company”) (NASDAQ: CCOI) concerning whether the board breached its fiduciary duties to shareholders.

NEW YORK, Jan. 20, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Cogent Communications Holdings, Inc. (“Cogent” or the “Company”) (NASDAQ: CCOI).   Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.   

Law Offices of Howard G. Smith announces it is investigating potential claims against the board of directors of Cogent Communications Holdings, Inc. (“Cogent” or the “Company”) (NASDAQ: CCOI) concerning whether the board breached its fiduciary duties to shareholders.

The Law Offices of Frank R. Cruz is investigating potential claims against the board of directors of Cogent Communications Holdings, Inc. (“Cogent” or the “Company”) (NASDAQ: CCOI) concerning whether the board breached its fiduciary duties to shareholders.

NEW YORK, Jan. 13, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Cogent Communications Holdings, Inc.  (“Cogent” or the “Company”) (NASDAQ: CCOI). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.   

NEW YORK, Jan. 06, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Cogent Communications Holdings, Inc.  (“Cogent” or the “Company”) (NASDAQ: CCOI).   Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.   

NEW YORK, Dec. 30, 2025 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Cogent Communications Holdings, Inc. (“Cogent” or the “Company”) (NASDAQ: CCOI). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.

The law firm of Robbins Geller Rudman & Dowd LLP is investigating potential violations of U.S. federal securities laws involving Cogent Communications Holdings, Inc. (NASDAQ: CCOI) focused on whether Cogent Communications and certain of its executives made false and/or misleading statements and/or failed to disclose material information to investors.