06/13/2019
12:06 PM | Cogent Communications (Issuer)
WEED THADDEUS GERARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities |  |
06/10/2019
4:11 PM | Cogent Communications (Issuer)
KUMMER RAYMOND B (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/06/2019
4:16 PM | Cogent Communications (Issuer)
WEED THADDEUS GERARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/06/2019
11:04 AM | Cogent Communications (Issuer)
ONEILL TIMOTHY G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/06/2019
11:02 AM | Cogent Communications (Issuer)
KILMER HENRY W (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/04/2019
3:13 PM | Cogent Communications (Issuer)
KUMMER RAYMOND B (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/04/2019
10:22 AM | BUBECK JAMES (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/03/2019
8:37 AM | Cogent Communications (Issuer)
ONEILL TIMOTHY G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/24/2019
3:05 PM | Cogent Communications (Issuer)
FERGUSON Lewis H (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/23/2019
1:09 PM | Cogent Communications (Issuer)
FERGUSON Lewis H (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/22/2019
4:05 PM | Cogent Communications (Issuer)
KUMMER RAYMOND B (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/22/2019
1:00 PM | Cogent Communications (Issuer)
LIEBHABER RICHARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/10/2019
11:06 AM | Cogent Communications (Subject)
VANGUARD GROUP INC (Filed by)
| Form SC 13G/A
| |
05/09/2019
4:10 PM | Bath Blake (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/07/2019
12:24 PM | Cogent Communications (Issuer)
WEED THADDEUS GERARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/02/2019
10:01 AM | Cogent Communications (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
05/02/2019
6:17 AM | Cogent Communications (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/01/2019
5:58 PM | Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/01/2019
5:05 PM | Cogent Communications (Issuer)
ONEILL TIMOTHY G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/01/2019
5:04 PM | BUBECK JAMES (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/01/2019
5:02 PM | Cogent Communications (Issuer)
KUMMER RAYMOND B (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/01/2019
5:01 PM | Cogent Communications (Issuer)
KILMER HENRY W (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/01/2019
4:47 PM | BEURY ROBERT N JR (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/01/2019
4:45 PM | Cogent Communications (Issuer)
WEED THADDEUS GERARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/01/2019
4:24 PM | Cogent Communications (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/01/2019
8:13 AM | Cogent Communications (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
04/12/2019
1:38 PM | Cogent Communications (Filer)
| Form DEFA14A
| |
04/05/2019
2:21 PM | Cogent Communications (Issuer)
KUMMER RAYMOND B (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/02/2019
6:11 PM | Cogent Communications (Issuer)
WEINGARTEN TIM (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/02/2019
10:21 AM | Cogent Communications (Issuer)
LIEBHABER RICHARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/02/2019
10:20 AM | BROOKS STEVEN D (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/02/2019
10:20 AM | BUBECK JAMES (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/01/2019
3:37 PM | Cogent Communications (Issuer)
Montagner Marc (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/01/2019
3:37 PM | Bath Blake (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/21/2019
1:26 PM | Cogent Communications (Issuer)
KUMMER RAYMOND B (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/15/2019
4:02 PM | Cogent Communications (Issuer)
KUMMER RAYMOND B (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/15/2019
12:36 PM | Cogent Communications (Filer)
| Form DEF 14A
| |
03/13/2019
4:24 PM | Cogent Communications (Issuer)
ONEILL TIMOTHY G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/13/2019
9:42 AM | BROOKS STEVEN D (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/12/2019
3:19 PM | Cogent Communications (Issuer)
Montagner Marc (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/12/2019
3:16 PM | Cogent Communications (Issuer)
WEED THADDEUS GERARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/12/2019
1:43 PM | Cogent Communications (Issuer)
LIEBHABER RICHARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/08/2019
3:20 PM | Cogent Communications (Issuer)
FERGUSON Lewis H (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/06/2019
2:22 PM | Cogent Communications (Issuer)
KILMER HENRY W (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/05/2019
9:40 AM | Cogent Communications (Issuer)
Montagner Marc (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2019
1:10 PM | BUBECK JAMES (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2019
10:05 AM | BEURY ROBERT N JR (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/01/2019
12:54 PM | Cogent Communications (Issuer)
ONEILL TIMOTHY G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/22/2019
7:53 AM | Cogent Communications (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
02/21/2019
6:15 AM | Cogent Communications (Filer)
| Form 8-K/A
| |
02/21/2019
6:13 AM | Cogent Communications (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/19/2019
3:25 PM | Cogent Communications (Issuer)
ONEILL TIMOTHY G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/13/2019
9:18 AM | Cogent Communications (Subject)
RENAISSANCE TECHNOLOGIES LLC (Filed by)
| Form SC 13G/A
| |
02/11/2019
7:55 AM | Cogent Communications (Subject)
VANGUARD GROUP INC (Filed by)
| Form SC 13G/A
| |
01/03/2019
1:40 PM | BUBECK JAMES (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/03/2019
12:37 PM | Cogent Communications (Issuer)
WEINGARTEN TIM (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/03/2019
12:10 PM | Cogent Communications (Issuer)
LIEBHABER RICHARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/03/2019
12:06 PM | Cogent Communications (Issuer)
FERGUSON Lewis H (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/03/2019
12:05 PM | BROOKS STEVEN D (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/02/2019
3:29 PM | Cogent Communications (Issuer)
Montagner Marc (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/02/2019
2:36 PM | Bath Blake (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/14/2018
3:05 PM | Cogent Communications (Issuer)
WEED THADDEUS GERARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/14/2018
2:48 PM | Cogent Communications (Issuer)
FERGUSON Lewis H (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/07/2018
8:20 AM | Cogent Communications (Issuer)
KILMER HENRY W (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/04/2018
10:56 AM | BEURY ROBERT N JR (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/09/2018
2:54 PM | Cogent Communications (Issuer)
WEINGARTEN TIM (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/01/2018
10:00 AM | Cogent Communications (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
11/01/2018
6:10 AM | Cogent Communications (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/01/2018
4:58 PM | Cogent Communications (Issuer)
ONEILL TIMOTHY G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/01/2018
4:14 PM | Cogent Communications (Issuer)
WEINGARTEN TIM (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/01/2018
4:13 PM | Cogent Communications (Issuer)
Montagner Marc (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/01/2018
12:40 PM | Cogent Communications (Issuer)
LIEBHABER RICHARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/01/2018
12:11 PM | Cogent Communications (Issuer)
FERGUSON Lewis H (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/01/2018
12:10 PM | Cogent Communications (Issuer)
FERGUSON Lewis H (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
10/01/2018
12:09 PM | BROOKS STEVEN D (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/01/2018
12:08 PM | Bath Blake (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/14/2018
12:34 PM | Cogent Communications (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
09/14/2018
8:48 AM | Bath Blake (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/13/2018
1:59 PM | Bath Blake (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/13/2018
1:08 PM | BEURY ROBERT N JR (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/12/2018
2:26 PM | BEURY ROBERT N JR (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/10/2018
10:45 AM | Cogent Communications (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
09/06/2018
4:14 PM | Cogent Communications (Issuer)
KILMER HENRY W (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/05/2018
2:45 PM | Cogent Communications (Issuer)
WEED THADDEUS GERARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/05/2018
8:06 AM | Cogent Communications (Issuer)
ONEILL TIMOTHY G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/04/2018
4:18 PM | BEURY ROBERT N JR (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/20/2018
3:22 PM | Cogent Communications (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/14/2018
7:17 AM | Cogent Communications (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/02/2018
9:42 AM | Cogent Communications (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
08/02/2018
6:16 AM | Cogent Communications (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/01/2018
10:44 AM | Cogent Communications (Issuer)
ONEILL TIMOTHY G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/19/2018
8:17 AM | Cogent Communications (Filer)
| Form DEF 14A
| |
07/03/2018
12:17 PM | Cogent Communications (Issuer)
WEINGARTEN TIM (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/03/2018
12:16 PM | Cogent Communications (Issuer)
ONEILL TIMOTHY G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/03/2018
11:25 AM | BROOKS STEVEN D (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/03/2018
11:24 AM | Cogent Communications (Issuer)
LIEBHABER RICHARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/02/2018
3:31 PM | Cogent Communications (Issuer)
Montagner Marc (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/02/2018
2:09 PM | Bath Blake (Reporting)
Cogent Communications (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/27/2018
3:26 PM | Cogent Communications (Filer)
| Form PRE 14A
| |
06/20/2018
3:15 PM | Cogent Communications (Issuer)
LIEBHABER RICHARD (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
