| 2022-03-02 | Sale | Cogent Communications Holdings, Inc. CCOI | VP, CFO & Treasurer | 250 0.0005% | $63.30 | $15,825 | -2.46% | |
| 2021-12-02 | Sale | Cogent Communications Holdings, Inc. CCOI | VP, CFO & Treasurer | 225 0.0005% | $75.18 | $16,916 | -17.26% | |
| 2021-11-16 | Sale | Cogent Communications Holdings, Inc. CCOI | VP, CFO & Treasurer | 200 0.0004% | $80.01 | $16,002 | -21.24% | |
| 2021-09-07 | Sale | Cogent Communications Holdings, Inc. CCOI | VP, CFO & Treasurer | 300 0.0007% | $75.37 | $22,611 | -12.93% | |
| 2021-06-11 | Sale | Cogent Communications Holdings, Inc. CCOI | VP, CFO & Treasurer | 1,000 0.0022% | $76.60 | $76,595 | -4.99% |