Mark Andrew Warner is of SEI INVESTMENTS CO. Currently has a direct ownership of 921 shares of SEIC, which is worth approximately $75,125. The most recent transaction as insider was on Dec 05, 2025, when has been sold 379 shares (Common Stock) at a price of $81.25 per share, resulting in proceeds of $30,793. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 921
29.15% 3M change
29.15% 12M change
Total Value Held $75,125

Mark Andrew Warner Transaction History

Date Transaction Value Shares Traded Shares Held Form
Dec 05 2025
SELL
Payment of exercise price or tax liability
$30,793 $81.25 p/Share
379 Reduced 29.15%
921 Common Stock
Jul 29 2025
SELL
Open market or private sale
$443,750 $88.75 p/Share
5,000 Reduced 79.37%
1,300 Common Stock
Jul 29 2025
BUY
Exercise of conversion of derivative security
$248,150 $49.63 p/Share
5,000 Added 44.25%
6,300 Common Stock
Mar 03 2025
SELL
Open market or private sale
$401,950 $80.39 p/Share
5,000 Reduced 79.37%
1,300 Common Stock
Mar 03 2025
BUY
Exercise of conversion of derivative security
$266,700 $53.34 p/Share
5,000 Added 44.25%
6,300 Common Stock
Feb 23 2024
SELL
Open market or private sale
$201,930 $67.31 p/Share
3,000 Reduced 69.77%
1,300 Common Stock
Feb 23 2024
BUY
Exercise of conversion of derivative security
$121,920 $40.64 p/Share
3,000 Added 41.1%
4,300 Common Stock
MAW

Mark Andrew Warner

Oaks, PA

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