| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Cogent Communications Holdings Inc. | A | common stock | |||||
| Cogent Communications Holdings Inc. | A | common stock | |||||
| Cogent Communications Holdings Inc. | A | common stock | |||||
| Cogent Communications Holdings Inc. | A | common stock | |||||
| Cogent Communications Holdings Inc. | A | common stock |