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May 04, 2026 17:29 ET | Source: Block & Leviton LLP

Cogent Communications Holdings, Inc. Investigated for Securities Fraud by Block & Leviton: Investors Should Contact the Firm to Potentially Recover Losses

Block & Leviton is investigating Cogent Communications Holdings, Inc. (Nasdaq: CCOI) for potential securities fraud. Investors should contact the firm.
February 20, 2026 17:44 ET | Source: Robbins Geller Rudman & Dowd LLP

Investigation Launched into Cogent Communications Holdings, Inc. (CCOI), Attorneys Encourage Investors and Potential Witnesses to Contact Law Firm – RGRD Law

The law firm of Robbins Geller is investigating potential violations of U.S. federal securities laws involving Cogent Communications Holdings, Inc.
January 27, 2026 16:10 ET | Source: Robbins Geller Rudman & Dowd LLP

CCOI INVESTIGATION: Investigation Launched into Cogent Communications Holdings, Inc., Attorneys Encourage Investors and Potential Witnesses to Contact RGRD Law

The law firm of Robbins Geller is investigating potential violations of U.S. federal securities laws involving Cogent Communications Holdings, Inc.
December 24, 2025 06:05 ET | Source: Robbins Geller Rudman & Dowd LLP

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

The law firm of Robbins Geller is investigating potential violations of U.S. federal securities laws involving Cogent Communications Holdings, Inc.
December 23, 2025 07:30 ET | Source: Robbins Geller Rudman & Dowd LLP

CCOI INVESTIGATION ALERT: Investigation Launched into Cogent Communications Holdings, Inc., Attorneys Encourage Investors and Potential Witnesses to Contact Law Firm

The law firm of Robbins Geller is investigating potential violations of U.S. federal securities laws involving Cogent Communications Holdings, Inc.