| Data | Ora | Fonte | Titolo | Simbolo | Compagnia |
| 24/04/2006 | 22:47 | PR Newswire (US) | Cogent Communications to Host First Quarter 2006 Earnings Call on May 11, 2006 | AMEX:COI | Cogent Comm Grp. |
| 02/03/2006 | 17:30 | PR Newswire (US) | Cogent Communications Approved for Listing on NASDAQ | AMEX:COI | Cogent Comm Grp. |
| 28/02/2006 | 20:37 | PR Newswire (US) | Cogent Communications to Present at Thomas Weisel Partners Conference, March 8th | AMEX:COI | Cogent Comm Grp. |
| 16/02/2006 | 22:30 | PR Newswire (US) | Cogent Communications to Host Fiscal Year 2005 Earnings Call on March 7, 2006 | AMEX:COI | Cogent Comm Grp. |
| 14/11/2005 | 23:29 | PR Newswire (US) | Cogent CEO to Speak at Lehman Brothers 2nd Annual Small Cap Conference in Carlsbad, California | AMEX:COI | Cogent Comm Grp. |
| 11/11/2005 | 13:00 | PR Newswire (US) | Cogent Communications Reports Third Quarter Results | AMEX:COI | Cogent Comm Grp. |
| 07/11/2005 | 15:00 | PR Newswire (US) | The Russian Federal University Network Selects Cogent as its High-Bandwidth Service Provider | AMEX:COI | Cogent Comm Grp. |
| 28/10/2005 | 14:00 | PR Newswire (US) | Level 3 and Cogent Reach Agreement on Equitable Peering Terms | AMEX:COI | Cogent Comm Grp. |
| 19/10/2005 | 17:06 | PR Newswire (US) | Cogent Communications to Host Third Quarter Earnings Call on November 11th, 2005 | AMEX:COI | Cogent Comm Grp. |
| 07/10/2005 | 20:29 | PR Newswire (US) | Cogent's Standing Offer to Level 3: Turn the Connection Back On, Then Negotiate | AMEX:COI | Cogent Comm Grp. |
| 05/10/2005 | 14:00 | PR Newswire (US) | SECU, COI and MDRX Update the Investment Community in Exclusive Interviews With WallSt.net | AMEX:COI | Cogent Comm Grp. |
| 14/09/2005 | 23:05 | PR Newswire (US) | Cogent CEO, Dave Schaeffer, to Speak at Merriman Curhan Ford & Co. Investor Summit 2005 in San Francisco | AMEX:COI | Cogent Comm Grp. |
| 12/08/2005 | 14:00 | PR Newswire (US) | Cogent Communications Reports Second Quarter Results | AMEX:COI | Cogent Comm Grp. |
| 10/08/2005 | 23:27 | PR Newswire (US) | Finkelstein, Thompson, and Loughran Announces Investigation of Cogent Communications Group, Inc. | AMEX:COI | Cogent Comm Grp. |
| 25/07/2005 | 23:31 | PR Newswire (US) | Cogent Communications to Host Second Quarter Earnings Call on August 12, 2005 | AMEX:COI | Cogent Comm Grp. |
| 20/07/2005 | 16:00 | PR Newswire (US) | Cogent Communications Launches Special Pricing Program for Cable Companies | AMEX:COI | Cogent Comm Grp. |
| 15/07/2005 | 17:09 | PR Newswire (US) | Cogent Communications Selects Hibernia Atlantic's Wavelength Service | AMEX:COI | Cogent Comm Grp. |
| 11/07/2005 | 16:01 | PR Newswire (US) | Cogent Communications Adds Additional On-Net Markets While Expanding its Transatlantic Capacity | AMEX:COI | Cogent Comm Grp. |
| 06/07/2005 | 15:00 | PR Newswire (US) | Cogent Communications Ranked by Ovum-RHK as the Largest Ethernet Service Provider in the United States | AMEX:COI | Cogent Comm Grp. |
| 15/06/2005 | 01:43 | PR Newswire (US) | Cogent Communications Group, Inc. Sells $69 Million of Stock in Public Offering | AMEX:COI | Cogent Comm Grp. |
| 08/06/2005 | 01:04 | PR Newswire (US) | Cogent Communications Group, Inc. Announces Pricing of Common Stock Offering | AMEX:COI | Cogent Comm Grp. |
| 23/05/2005 | 16:28 | PR Newswire (US) | Cogent Communications Group, Inc. Announces Proposed Common Stock Offering | AMEX:COI | Cogent Comm Grp. |
| 27/04/2005 | 23:31 | PR Newswire (US) | Cogent Selects Herakles Data as New Point of Presence in Sacramento | AMEX:COI | Cogent Comm Grp. |
| 22/03/2005 | 23:57 | PR Newswire (US) | Cogent Communications Announces Effective Date for 1-for-20 Reverse Stock Split | AMEX:COI | Cogent Comm Grp. |
| 18/02/2005 | 22:15 | PR Newswire (US) | Cogent Communications Announces 1-for-20 Reverse Stock Split | AMEX:COI | Cogent Comm Grp. |
| 15/02/2005 | 14:40 | PR Newswire (US) | Cogent Communications Completes Conversion of Preferred Shares Into Common Shares | AMEX:COI | Cogent Comm Grp. |
| 15/02/2005 | 14:40 | PR Newswire (US) | Cogent Communications to Start Providing Earnings Guidance | AMEX:COI | Cogent Comm Grp. |
| 15/02/2005 | 00:16 | PR Newswire (US) | Cogent Communications Files Registration for Public Offering | AMEX:COI | Cogent Comm Grp. |
| 27/01/2005 | 16:09 | PR Newswire (US) | Cogent Communications Announces Conversion of Preferred Shares into Common Shares | AMEX:COI | Cogent Comm Grp. |
| 15/12/2004 | 14:00 | PR Newswire (US) | Cogent Launches Managed Security Service | AMEX:COI | Cogent Comm Grp. |