WARNER MARK ANDREW

PrivateCIK: 1972425
Location

OAKS, PA

Insider sale

SEI INVESTMENTS CO

$1.90M

19K shares

What this filing means

WARNER MARK ANDREW plans to sell 19K shares of SEI INVESTMENTS CO valued at approximately $1.90M. 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.

InsiderWARNER MARK ANDREWCIK 1972425
IssuerSEI INVESTMENTS COCIK 350894
Other
Since Feb 2026
19K
Shares to sell
$1.90M
Approx. market value
15K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Sort

Employee Stock Option Exercise

Broker Payment for Cashless Exercise

7/28/2026
15K
Total acquired15K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

4K

Market value

$364.6K

4/28/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

15K

Market value

$1.54M

7/28/2026
Total

Units

19K

Value

$1.90M