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CCOI   COGENT COMMUNICATIONS HOLDINGS, INC.   |  1158324

Available Fillings Total Fillings:2322
Form Type Form Count
8-K 206
UPLOAD 18
10-Q 68
8-A12B 1
S-8 11
CORRESP 13
SC TO-I/A 3
S-3/A 1
RW 3
SC 14D9/A 1
SC 14D9 1
DEF 14C 12
3/A 2
CERTAMX 1
425 1
SC 13D/A 18
144/A 1
SC 13D 6
CT ORDER 1
SC 13G 31
8-K/A 11
POS AM 3
S-4 1
IRANNOTICE 1
SC TO-T/A 1
4/A 16
ARS 3
10-K 23
S-1/A 9
5 2
SC TO-I 2
144 78
SC 13G/A 101
DEFA14A 6
424B5 3
424B3 3
8-K12G3 1
FWP 1
424B4 1
4 1553
DEF 14A 22
3 46
S-1 4
S-4/A 6
424B7 6
S-3ASR 2
PRER14A 1
8-A12G 1
PRE 14C 8
10-Q/A 1
PRE 14A 3
S-3 1
SC TO-T 1
PRER14C 2
Financials Total:309
Form Type Act Filing Date Report Date Action
8-K 34 04/11/2025 04/11/2025 |    |  
8-K 34 04/04/2025 04/04/2025 |    |  
8-K 34 02/27/2025 02/27/2025 |    |  
10-Q 34 11/07/2024 09/30/2024 |    |  
8-K 34 11/07/2024 11/07/2024 |    |  
8-K 34 06/11/2024 06/11/2024 |    |  
8-K 34 06/06/2024 06/06/2024 |    |  
8-K 34 06/05/2024 06/05/2024 |    |  
10-Q 34 05/09/2024 03/31/2024 |    |  
8-K 34 05/09/2024 05/09/2024 |    |  
Ipos Total:36
Form Type Act Filing Date Report Date Action
UPLOAD 05/23/2018 06/01/2025
CORRESP 05/17/2018 06/01/2025
UPLOAD 05/09/2018 06/01/2025
UPLOAD 01/11/2017 06/01/2025
CORRESP 01/06/2017 06/01/2025
UPLOAD 12/23/2016 06/01/2025
UPLOAD 12/14/2015 06/01/2025
CORRESP 11/24/2015 06/01/2025
UPLOAD 11/16/2015 06/01/2025
UPLOAD 03/19/2015 06/01/2025
Form Type Act Filing Date Report Date Action
4 05/27/2025 05/23/2025
4 05/23/2025 05/22/2025
4 05/22/2025 05/21/2025
4 05/21/2025 05/20/2025
4 05/19/2025 05/16/2025
4/A 05/19/2025 05/16/2025
4 05/16/2025 05/16/2025
4 05/16/2025 05/15/2025
4 05/15/2025 05/15/2025
4 05/15/2025 05/14/2025
Form Type Act Filing Date Report Date Action
DEF 14A 34 03/26/2025 05/07/2025
DEF 14A 34 03/25/2024 05/08/2024
DEF 14A 34 03/15/2023 06/01/2025
SC 13G 34 02/03/2023 06/01/2025
DEF 14A 34 03/14/2022 05/04/2022
DEF 14A 34 03/05/2021 04/28/2021
DEF 14A 34 03/12/2020 05/06/2020
DEF 14A 34 03/15/2019 05/01/2019
DEF 14A 34 07/19/2018 09/10/2018
DEF 14A 34 03/20/2018 05/02/2018
Form Type Act Filing Date Report Date Action
8-K 34 04/11/2025 04/11/2025 |    |  
8-K 34 04/04/2025 04/04/2025 |    |  
8-K 34 02/27/2025 02/27/2025 |    |  
8-K 34 11/07/2024 11/07/2024 |    |  
8-K 34 06/11/2024 06/11/2024 |    |  
8-K 34 06/06/2024 06/06/2024 |    |  
8-K 34 06/05/2024 06/05/2024 |    |  
8-K 34 05/09/2024 05/09/2024 |    |  
8-K 34 05/08/2024 05/08/2024 |    |  
8-K 34 02/29/2024 02/29/2024 |    |  
Form Type Act Filing Date Report Date Action
DEF 14A 34 03/26/2025 05/07/2025
DEF 14A 34 03/25/2024 05/08/2024
DEF 14A 34 03/15/2023 06/01/2025
DEF 14A 34 03/14/2022 05/04/2022
PRE 14A 34 03/04/2022 05/04/2022
DEF 14A 34 03/05/2021 04/28/2021
DEF 14A 34 03/12/2020 05/06/2020
DEF 14A 34 03/15/2019 05/01/2019
DEF 14A 34 07/19/2018 09/10/2018
PRE 14A 34 06/27/2018 09/10/2018
Form Type Act Filing Date Report Date Action
S-1/A 33 06/06/2005 06/01/2025
S-1/A 33 05/20/2005 06/01/2025
S-1/A 33 05/09/2005 06/01/2025
S-1/A 33 04/07/2005 06/01/2025
S-1 33 02/14/2005 06/01/2025
S-1/A 10/04/2004 06/01/2025
S-1/A 07/01/2004 06/01/2025
S-1 05/18/2004 06/01/2025
S-1 10/23/2003 06/01/2025
S-1/A 07/02/2002 06/01/2025