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Cogent Communications (CCOI) SEC Filings & 10K Form

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Recent Cogent Communications SEC Filings

DateFilerForm TypeView
07/18/2025
1:31 PM
BlackRock, Inc. (Filed by)
Cogent Communications (Subject)
Form SCHEDULE 13G/A
07/01/2025
4:43 PM
Cogent Communications (Issuer)
Howell Deneen C (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/01/2025
4:44 PM
Cogent Communications (Issuer)
Kennedy Sheryl Lynn (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/01/2025
4:45 PM
Cogent Communications (Issuer)
Montagner Marc (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/01/2025
4:57 PM
BROOKS STEVEN D (Reporting)
Cogent Communications (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/01/2025
4:58 PM
Cogent Communications (Issuer)
Howard Eve N (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/01/2025
4:41 PM
Cogent Communications (Issuer)
de Sa Paul (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/01/2025
4:41 PM
Cogent Communications (Issuer)
FERGUSON Lewis H (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2025
4:30 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/16/2025
1:23 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/16/2025
9:03 AM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/13/2025
4:16 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/13/2025
11:36 AM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/12/2025
4:49 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/12/2025
4:29 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/12/2025
9:11 AM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/11/2025
4:37 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/11/2025
3:50 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/10/2025
5:15 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/10/2025
4:27 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/10/2025
1:55 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/09/2025
5:23 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/09/2025
4:14 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/09/2025
3:40 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/09/2025
3:46 PM
Cogent Communications (Issuer)
KILMER HENRY W (Reporting)
Form 4/A
06/09/2025
3:48 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/09/2025
3:49 PM
Cogent Communications (Issuer)
KILMER HENRY W (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/09/2025
3:51 PM
Cogent Communications (Issuer)
WEED THADDEUS GERARD (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/09/2025
8:09 AM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/06/2025
3:16 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/06/2025
8:16 AM
BUBECK JAMES (Reporting)
Cogent Communications (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/04/2025
4:44 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/04/2025
3:05 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/04/2025
3:06 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/04/2025
8:36 AM
BUBECK JAMES (Reporting)
Cogent Communications (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/03/2025
3:51 PM
Cogent Communications (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/03/2025
3:28 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/03/2025
8:17 AM
Cogent Communications (Subject)
KILMER HENRY W (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/02/2025
12:39 PM
Cogent Communications (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/29/2025
4:19 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/29/2025
3:30 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
Forget Nvidia, This “Ghost Town” Company Holds the Key to the AI Boom (Ad)

Cold War Discovery Could Unlock $100 Trillion in Wealth Jeff recently traveled to an American ghost town to investigate this crazy Cold War story… Because it could hold the key to the entire $100 trillion AI boom. It involves an American ghost town with just 30 people… And a new twist to the AI boom that could make a lot of people rich.

Click here to see the details on what could be the biggest tech story of this decade.
05/28/2025
3:56 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/28/2025
3:29 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/28/2025
12:17 PM
Cogent Communications (Subject)
FERGUSON Lewis H (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/27/2025
3:37 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/23/2025
3:30 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/22/2025
4:04 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/21/2025
3:46 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/21/2025
3:20 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2025
3:21 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2025
12:42 PM
Cogent Communications (Issuer)
WEED THADDEUS GERARD (Reporting)
Form 4/A
05/14/2025
3:17 PM
Cogent Communications (Issuer)
SCHAEFFER DAVE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/14/2025
2:31 PM
Cogent Communications (Subject)
SCHAEFFER DAVE (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/13/2025
11:01 AM
Cogent Communications (Subject)
Kennedy Sheryl Lynn (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/08/2025
1:38 PM
Cogent Communications (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
05/08/2025
11:19 AM
Cogent Communications (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/08/2025
10:47 AM
Cogent Communications (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/08/2025
6:18 AM
Cogent Communications (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/04/2025
4:06 PM
Cogent Communications (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
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  
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  
Forget Nvidia, This “Ghost Town” Company Holds the Key to the AI Boom (Ad)

Cold War Discovery Could Unlock $100 Trillion in Wealth Jeff recently traveled to an American ghost town to investigate this crazy Cold War story… Because it could hold the key to the entire $100 trillion AI boom. It involves an American ghost town with just 30 people… And a new twist to the AI boom that could make a lot of people rich.

Click here to see the details on what could be the biggest tech story of this decade.
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  
(Data available from 1/1/2016 forward)


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This page (NASDAQ:CCOI) was last updated on 7/25/2025 by MarketBeat.com Staff
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