04/01/2025 9:07 AM | Cogent Communications (Issuer) Howell Deneen C (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/31/2025 4:20 PM | Cogent Communications (Issuer) FERGUSON Lewis H (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/31/2025 4:22 PM | Cogent Communications (Issuer) Howard Eve N (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/31/2025 4:22 PM | Cogent Communications (Issuer) Kennedy Sheryl Lynn (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/31/2025 4:23 PM | Cogent Communications (Issuer) Montagner Marc (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/14/2025 4:46 PM | Cogent Communications (Subject) SCHAEFFER DAVE (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/13/2025 4:43 PM | Cogent Communications (Issuer) FERGUSON Lewis H (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/13/2025 11:26 AM | Cogent Communications (Filer)
| Form PRE 14A | |
03/12/2025 9:45 AM | Chang John B. (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 4:56 PM | Cogent Communications (Subject) FERGUSON Lewis H (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/10/2025 11:07 AM | Cogent Communications (Issuer) KILMER HENRY W (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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03/07/2025 7:56 AM | Chang John B. (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 10:42 AM | BUBECK JAMES (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/04/2025 5:11 PM | Cogent Communications (Subject) SCHAEFFER DAVE (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/04/2025 11:47 AM | Cogent Communications (Subject) KILMER HENRY W (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/04/2025 10:19 AM | BUBECK JAMES (Reporting) Cogent Communications (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/04/2025 8:22 AM | Cogent Communications (Issuer) WEED THADDEUS GERARD (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2025 4:30 PM | Cogent Communications (Subject) WEED THADDEUS GERARD (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/03/2025 12:58 PM | Cogent Communications (Issuer) Kennedy Sheryl Lynn (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2025 12:40 PM | Cogent Communications (Subject) Kennedy Sheryl Lynn (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
02/28/2025 9:13 AM | Cogent Communications (Filer)
| Form 10-K Annual report pursuant to Section 13 or 15(d) | |
02/27/2025 6:30 AM | Cogent Communications (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
01/22/2025 3:39 PM | BROOKS STEVEN D (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/15/2025 3:32 PM | Cogent Communications (Issuer) SCHAEFFER DAVE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/13/2025 3:58 PM | BUBECK JAMES (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/13/2025 3:58 PM | Cogent Communications (Issuer) KILMER HENRY W (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/13/2025 3:17 PM | Chang John B. (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/13/2025 3:18 PM | Cogent Communications (Issuer) WEED THADDEUS GERARD (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/03/2025 3:45 PM | BROOKS STEVEN D (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/03/2025 3:46 PM | Cogent Communications (Issuer) de Sa Paul (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/03/2025 3:46 PM | Cogent Communications (Issuer) FERGUSON Lewis H (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/02/2025 3:18 PM | Cogent Communications (Issuer) Kennedy Sheryl Lynn (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/02/2025 3:06 PM | Bath Blake (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/02/2025 3:07 PM | Cogent Communications (Issuer) Howard Eve N (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/02/2025 3:07 PM | Cogent Communications (Issuer) Montagner Marc (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/19/2024 3:58 PM | Chang John B. (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/17/2024 3:03 PM | Cogent Communications (Issuer) SCHAEFFER DAVE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/16/2024 7:53 PM | Cogent Communications (Subject) SCHAEFFER DAVE (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/13/2024 8:19 AM | Cogent Communications (Issuer) KILMER HENRY W (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/10/2024 5:00 PM | BUBECK JAMES (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/09/2024 10:39 AM | BUBECK JAMES (Reporting) Cogent Communications (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
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12/06/2024 3:20 PM | Chang John B. (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/04/2024 12:12 PM | Cogent Communications (Subject) KILMER HENRY W (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/04/2024 9:16 AM | Cogent Communications (Issuer) KILMER HENRY W (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/03/2024 4:54 PM | BUBECK JAMES (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/02/2024 3:06 PM | Cogent Communications (Subject) WEED THADDEUS GERARD (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/02/2024 9:38 AM | BUBECK JAMES (Reporting) Cogent Communications (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/27/2024 3:01 PM | Cogent Communications (Issuer) SCHAEFFER DAVE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/25/2024 7:25 PM | Cogent Communications (Subject) SCHAEFFER DAVE (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/21/2024 4:34 PM | Bath Blake (Reporting) Cogent Communications (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/21/2024 3:02 PM | Bath Blake (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/19/2024 10:27 AM | Cogent Communications (Issuer) FERGUSON Lewis H (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/18/2024 9:59 AM | Cogent Communications (Subject) FERGUSON Lewis H (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/14/2024 4:26 PM | Cogent Communications (Subject) Howard Eve N (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/12/2024 11:02 AM | Chang John B. (Reporting) Cogent Communications (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/07/2024 11:14 AM | Cogent Communications (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
11/07/2024 6:21 AM | Cogent Communications (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/22/2024 4:06 PM | BROOKS STEVEN D (Reporting) Cogent Communications (Issuer)
| Form 4/A | |
10/02/2024 4:51 PM | Cogent Communications (Issuer) Howard Eve N (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/02/2024 8:51 AM | Cogent Communications (Issuer) Montagner Marc (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/02/2024 8:52 AM | Cogent Communications (Issuer) Howell Deneen C (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/02/2024 8:53 AM | Cogent Communications (Issuer) de Sa Paul (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/01/2024 3:47 PM | Cogent Communications (Issuer) Kennedy Sheryl Lynn (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/01/2024 3:50 PM | BROOKS STEVEN D (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/01/2024 3:51 PM | Cogent Communications (Issuer) FERGUSON Lewis H (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/13/2024 3:45 PM | Chang John B. (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/11/2024 3:17 PM | Cogent Communications (Issuer) Kennedy Sheryl Lynn (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/11/2024 3:18 PM | Cogent Communications (Issuer) SCHAEFFER DAVE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/11/2024 3:07 PM | Cogent Communications (Subject) Kennedy Sheryl Lynn (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
09/10/2024 5:10 PM | Cogent Communications (Subject) SCHAEFFER DAVE (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
09/05/2024 3:44 PM | BUBECK JAMES (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/05/2024 3:10 PM | Cogent Communications (Issuer) KILMER HENRY W (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/04/2024 12:48 PM | Cogent Communications (Subject) KILMER HENRY W (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
09/03/2024 3:49 PM | Cogent Communications (Subject) WEED THADDEUS GERARD (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
09/03/2024 9:46 AM | BUBECK JAMES (Reporting) Cogent Communications (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
08/28/2024 11:00 AM | Cogent Communications (Issuer) SCHAEFFER DAVE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/27/2024 4:16 PM | Cogent Communications (Subject) SCHAEFFER DAVE (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
08/26/2024 9:10 AM | Cogent Communications (Issuer) FERGUSON Lewis H (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/22/2024 11:52 AM | Cogent Communications (Subject) FERGUSON Lewis H (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
08/20/2024 2:30 PM | Chang John B. (Reporting) Cogent Communications (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
08/08/2024 10:59 AM | Cogent Communications (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
08/08/2024 6:15 AM | Cogent Communications (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/02/2024 1:11 PM | Cogent Communications (Issuer) FERGUSON Lewis H (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/02/2024 9:29 AM | BROOKS STEVEN D (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/02/2024 9:33 AM | Cogent Communications (Issuer) Kennedy Sheryl Lynn (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/02/2024 9:34 AM | Bath Blake (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/01/2024 3:58 PM | Cogent Communications (Issuer) de Sa Paul (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/01/2024 3:21 PM | Cogent Communications (Issuer) Howard Eve N (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/17/2024 9:22 AM | Cogent Communications (Issuer) SCHAEFFER DAVE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/14/2024 3:55 PM | Cogent Communications (Subject) SCHAEFFER DAVE (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
06/13/2024 10:13 AM | Cogent Communications (Issuer) SCHAEFFER DAVE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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06/12/2024 6:09 PM | Cogent Communications (Subject) SCHAEFFER DAVE (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
06/11/2024 3:35 PM | Cogent Communications (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/11/2024 3:38 PM | Cogent Communications (Issuer) Montagner Marc (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/10/2024 4:05 PM | Cogent Communications (Subject) WEED THADDEUS GERARD (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
06/10/2024 12:50 PM | Cogent Communications (Issuer) WEED THADDEUS GERARD (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/07/2024 9:16 AM | Cogent Communications (Issuer) KILMER HENRY W (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/06/2024 3:35 PM | Cogent Communications (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/05/2024 6:47 AM | Cogent Communications (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/04/2024 3:16 PM | BUBECK JAMES (Reporting) Cogent Communications (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |