| 03 Jan 2023 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 7,200 | 0.00 USD | |
| 01 Dec 2022 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 2,400 | 0.00 USD | |
| 16 Nov 2022 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 4,800 | 58.01 USD | |
| 03 Jan 2022 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 9,600 | 0.00 USD | |
| 01 Dec 2021 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 2,400 | 0.00 USD | |
| 02 Aug 2021 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3,572 | 78.23 USD | |
| 03 Aug 2021 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 382 | 78.20 USD | |
| 16 Jul 2021 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 846 | 78.24 USD | |
| 02 Jul 2021 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 4,800 | 76.14 USD | |
| 07 Jun 2021 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2,400 | 77.01 USD | |
| 24 Feb 2021 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 9,600 | 0.00 USD | |
| 01 Dec 2020 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 2,400 | 0.00 USD | |
| 03 Mar 2020 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 4,800 | 81.22 USD | |
| 14 Feb 2020 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 9,600 | 0.00 USD | |
| 04 Dec 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3,000 | 61.92 USD | |
| 10 Jun 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2,400 | 61.24 USD | |
| 04 Jun 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3,000 | 57.05 USD | |
| 22 May 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2,440 | 58.40 USD | |
| 01 May 2019 | GRANT_AWARD | COGENT COMMUNICATIONS HOLDINGS, INC. | 9,600 | 0.00 USD | |
| 05 Apr 2019 | GIFT | COGENT COMMUNICATIONS HOLDINGS, INC. | 1,000 | 0.00 USD | |
| 05 Apr 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2,600 | 56.12 USD | |
| 04 Apr 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 400 | 56.00 USD | |
| 20 Mar 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 200 | 52.01 USD | |
| 21 Mar 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 2,800 | 52.32 USD | |
| 15 Mar 2019 | SALE | COGENT COMMUNICATIONS HOLDINGS, INC. | 3,000 | 51.00 USD | |