KILMER HENRY W

PrivateCIK: 1599812
Location

WASHINGTON, DC

Senior insider sale

VP of IP Engineering at COGENT COMMUNICATIONS HOLDINGS, INC. — senior position signals high conviction

$150.2K

7.20K shares

What this filing means

KILMER HENRY W plans to sell 7.20K shares of COGENT COMMUNICATIONS HOLDINGS, INC. valued at approximately $150.2K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderKILMER HENRY WCIK 1599812
Officer· VP of IP Engineering
Since Sep 2018
7.20K
Shares to sell
$150.2K
Approx. market value
2.40K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Sort

RSU Vesting

N/A

3/1/2026
2.40K
Total acquired2.40K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

4.80K

Market value

$95.0K

12/8/2025

Planned — Approximate Date

NASDAQPlanned

Units to sell

2.40K

Market value

$55.2K

3/5/2026
Total

Units

7.20K

Value

$150.2K

KILMER HENRY W — Planned Insider Sale (Form 144) | Finecho