BUBECK JAMES

Related Filers (1)

Other (4)

144
Tuesday, 12/5/2023
Filing for proposed sale of securities under Rule 144
144
Friday, 12/1/2023
Filing for proposed sale of securities under Rule 144
144
Friday, 9/1/2023
Filing for proposed sale of securities under Rule 144
144
Thursday, 6/1/2023
Filing for proposed sale of securities under Rule 144
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Ownership (51)

4
Friday, 1/5/2024
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/6/2023
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 12/4/2023
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 12/1/2023
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/5/2023
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 6/2/2023
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 3/3/2023
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 1/5/2023
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 12/9/2022
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 12/2/2022
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 12/1/2022
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/6/2022
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 6/2/2022
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/2/2022
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/5/2022
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/15/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 12/3/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/1/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 9/2/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/2/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/19/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/11/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4/A
Monday, 3/1/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 2/25/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/2/2020
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/2/2020
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 6/1/2020
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/3/2020
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/18/2020
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 1/2/2020
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 12/2/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/2/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/4/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/2/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/4/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/1/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/2/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 3/4/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 1/3/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 5/11/2018
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 3/2/2018
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 2/22/2018
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/5/2017
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 8/14/2017
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 6/5/2017
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/3/2017
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/2/2017
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 11/10/2016
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 8/26/2016
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/5/2016
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
3
Thursday, 10/1/2015
COGENT COMMUNICATIONS HOLDINGS, INC.: Initial statement of beneficial ownership of securities
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