Insider Cluster All stocks

CCOI insider trading

Cogent Communications Holdings, Inc.

In the past 36 days, 1 insider sold $22K.

Insider purchases

No open-market purchases by insiders in this period.

Insider sales

InsiderValueHoldingsPlanTraded / filed
Henry W Kilmer
VP OF NETWORK STRATEGY
$22K
2,400 sh @ $9.21
−6.2% Not pre-scheduled Sep 15, 2026
Filed Sep 15, 2026