| 02 juin 2021 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 400 | 75.18 USD | |
| 12 mars 2021 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 4 000 | 63.30 USD | |
| 05 mars 2021 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 200 | 57.78 USD | |
| 24 févr. 2021 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 9 600 | 0.00 USD | |
| 07 déc. 2020 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 000 | 57.76 USD | |
| 01 déc. 2020 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 400 | 0.00 USD | |
| 15 sept. 2020 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 400 | 66.35 USD | |
| 08 sept. 2020 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 000 | 65.57 USD | |
| 16 juin 2020 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 400 | 80.49 USD | |
| 05 juin 2020 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 000 | 76.81 USD | |
| 10 mars 2020 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 352 | 82.68 USD | |
| 06 mars 2020 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 000 | 84.64 USD | |
| 14 févr. 2020 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 9 600 | 0.00 USD | |
| 07 janv. 2020 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 000 | 67.42 USD | |
| 06 déc. 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 000 | 61.97 USD | |
| 02 déc. 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 62.60 USD | |
| 11 nov. 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 500 | 63.29 USD | |
| 30 août 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 60.98 USD | |
| 06 juin 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 4 000 | 58.62 USD | |
| 31 mai 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 57.52 USD | |
| 01 mai 2019 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 9 600 | 0.00 USD | |
| 13 mars 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 000 | 51.00 USD | |
| 01 mars 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 000 | 48.96 USD | |
| 19 févr. 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 50.00 USD | |
| 01 oct. 2018 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 55.80 USD | |