MILLER STEPHANIE D.

PrivateCIK: 1997781
Location

OAKS, PA

Senior insider sale

SEI INVESTMENTS CO — senior position signals high conviction

$647.5K

7.50K shares

What this filing means

MILLER STEPHANIE D. plans to sell 7.50K shares of SEI INVESTMENTS CO valued at approximately $647.5K. 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.

InsiderMILLER STEPHANIE D.CIK 1997781
IssuerSEI INVESTMENTS COCIK 350894
Director
Since Oct 2023
7.50K
Shares to sell
$647.5K
Approx. market value
7.50K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Sort

Stock Option Exercise

Broker Payment for Cashless Exercise

9/22/2025
7.50K
Total acquired7.50K
Planned & Completed Dispositions1
Sort
NASDAQPlanned

Units to sell

7.50K

Market value

$647.5K

9/22/2025
Total

Units

7.50K

Value

$647.5K

MILLER STEPHANIE D. — Planned Insider Sale (Form 144) | Finecho