| Date Filed | Type | Description |
| 10/03/2023 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,433 shares
@ $0 |
|
| 10/02/2023 |
4/A
| Form 4/A - Statement of changes in beneficial ownership of securities: [Amend] |
| 07/05/2023 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,435 shares
@ $0 |
|
| 06/16/2023 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Sold 4,202 shares
@ $65, valued at
$273.1k
|
|
| 05/12/2023 |
144/A
| Form 144/A - Report of proposed sale of securities: [Amend] |
| 05/12/2023 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Sold 3,798 shares
@ $65.0012, valued at
$246.9k
|
|
| 05/12/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 04/05/2023 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,456 shares
@ $0 |
|
| 01/04/2023 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,709 shares
@ $0 |
|
| 10/03/2022 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,626 shares
@ $0 |
|
| 07/05/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 04/01/2022 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,462 shares
@ $0 |
|
| 10/01/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 07/02/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 05/04/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 04/01/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 01/04/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 10/01/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 07/01/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 04/01/2020 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,750 shares
@ $0 |
|
| 01/02/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 10/01/2019 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,750 shares
@ $0 |
|
| 07/02/2019 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,750 shares
@ $0 |
|
| 04/02/2019 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,750 shares
@ $0 |
|
| 03/13/2019 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Sold 9,900 shares
@ $50.1293, valued at
$496.3k
|
|
| 01/03/2019 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,750 shares
@ $0 |
|
| 10/01/2018 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 07/03/2018 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,750 shares
@ $0 |
|
| 05/17/2018 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Sold 2,000 shares
@ $50.6488, valued at
$101.3k
|
|
| 05/09/2018 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Sold 5,000 shares
@ $48.3393, valued at
$241.7k
|
|
| 04/02/2018 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,750 shares
@ $0 |
|
| 01/02/2018 |
4
| BROOKS STEVEN D (Director) has filed a Form 4 on COGENT COMMUNICATIONS HOLDINGS, INC.|
Txns:
| Granted 1,750 shares
@ $0 |
|
| 10/03/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 08/08/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
|