PETERSON MICHAEL

PrivateCIK: 1745371
Location

OAKS, PA

Senior insider sale

EXECUTIVE VICE PRESIDENT GC at SEI INVESTMENTS CO — senior position signals high conviction

$6.73M

62.50K shares

What this filing means

PETERSON MICHAEL plans to sell 62.50K shares of SEI INVESTMENTS CO valued at approximately $6.73M. 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.

InsiderPETERSON MICHAELCIK 1745371
IssuerSEI INVESTMENTS COCIK 350894
Officer· EXECUTIVE VICE PRESIDENT GC
Since Dec 2018
62.50K
Shares to sell
$6.73M
Approx. market value
37.50K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
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Employee Stock Option Exercise

Broker Payment for Cashless Exercise

8/28/2026
37.50K
Total acquired37.50K
Planned & Completed Dispositions2
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Completed

Completed

Units to sell

25K

Market value

$2.55M

7/28/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

37.50K

Market value

$4.18M

8/28/2026
Total

Units

62.50K

Value

$6.73M