| 01 mai 2019 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 5 000 | 0.00 USD | |
| 01 mars 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 400 | 49.00 USD | |
| 03 déc. 2018 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3 000 | 49.16 USD | |
| 13 sept. 2018 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 4 000 | 54.92 USD | |
| 12 sept. 2018 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2 000 | 54.96 USD | |
| 04 sept. 2018 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3 000 | 53.95 USD | |
| 01 juin 2018 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3 000 | 51.14 USD | |
| 01 mars 2018 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3 000 | 43.17 USD | |
| 21 févr. 2018 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 9 600 | 0.00 USD | |
| 01 déc. 2017 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3 000 | 46.51 USD | |
| 01 sept. 2017 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3 000 | 46.75 USD | |
| 01 juin 2017 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3 000 | 40.20 USD | |
| 03 mai 2017 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 9 600 | 0.00 USD | |
| 01 mars 2017 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3 000 | 42.00 USD | |
| 01 déc. 2016 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 36.99 USD | |
| 01 nov. 2016 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 36.40 USD | |
| 03 oct. 2016 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 36.24 USD | |
| 01 sept. 2016 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 35.40 USD | |
| 01 août 2016 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 43.27 USD | |
| 01 juil. 2016 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 40.09 USD | |
| 01 juin 2016 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 39.69 USD | |
| 04 mai 2016 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 12 000 | 0.00 USD | |
| 02 mai 2016 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 38.95 USD | |
| 01 avr. 2016 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 39.00 USD | |
| 01 déc. 2015 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 1 000 | 33.96 USD | |