Henry Kilmer Insider Trades & Stock Holdings

VP OF NETWORK STRATEGY · Cogent Communications Holdings, Inc. · Latest filing Jun 15, 2026

Henry Kilmer, VP OF NETWORK STRATEGY at Cogent Communications Holdings, Inc. has 2 Form 4 trades on file since Jun 15, 2026. Open-market activity: 0 purchases ($0) and 2 sales ($81.65K), net -$81.65K. Latest filing: disposed of 2.40K shares of $CCOI on Jun 15, 2026 at $17.01.

Trades on file

2

Open-market bought

$0

Open-market sold

$81.65K

Net open-market

-$81.65K

Latest filing

Jun 15, 2026

All insider trades by Henry Kilmer

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 15, 2026	$CCOI	Sell (Open-market sale)	2.40K	$17.01	$40.82K			-10.9%	-23.9%		VP OF NETWORK STRATEGY		—
Jun 15, 2026	$CCOI	Sell (Open-market sale)	2.40K	$17.01	$40.82K			-10.9%	-23.9%		VP OF NETWORK STRATEGY		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Henry Kilmer traded

• $CCOI

Frequently asked questions

Has Henry Kilmer been buying or selling stock?

Henry Kilmer has 0 open-market purchases and 2 open-market sales on file, net -$81.65K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Henry Kilmer's latest insider trade?

disposed of 2.40K shares of $CCOI on Jun 15, 2026 at $17.01.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.