CASSIDY WILLIAM B

PrivateCIK: 2044423
Location

LONDON, X0

Senior insider sale

Chief Technology Officer at JANUS HENDERSON GROUP LTD. — senior position signals high conviction

$885.8K

16.95K shares

What this filing means

CASSIDY WILLIAM B plans to sell 16.95K shares of JANUS HENDERSON GROUP LTD. valued at approximately $885.8K. 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.

InsiderCASSIDY WILLIAM BCIK 2044423
Officer· Chief Technology Officer
Since Feb 2026
16.95K
Shares to sell
$885.8K
Approx. market value
16.95K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
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Restricted Stock Vesting

Compensation

8/30/2025
16.95K
Total acquired16.95K
Planned & Completed Dispositions1
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NYSEPlanned

Units to sell

16.95K

Market value

$885.8K

2/27/2026
Total

Units

16.95K

Value

$885.8K