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sellNotable cluster of 6

Mark Andrew Warner sold $1.5M of SEIC

See Remarks* at SEI INVESTMENTS CO. 15,000 shares at an average of $102.35, traded Jul 28, 2026, filed Jul 30, 2026.

Warning score
60
Value
$1.5M
15,000 shares
Holdings after
921
-94% from before
From 52-week low
+38%
low $74.74, close $103.14
From 52-week high
0%
high $103.14, as of Jul 28, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.5M at market
    +25
  • Share of holdings sold
    Sold 94% of holdings
    +20
  • Cluster
    6 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

SEICOct 12, 2026 · close 105.00
Since filing Jul 30, 2026: +1.9%SPY +5.2% · excess -3.3%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000929638-26-002844, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 28, 2026MOption exercise
Common Stock
+2,500$64.43$161k3,421Jul 30, 2026
Jul 28, 2026MOption exercise
Common Stock
+2,500$64.43$161k5,921Jul 30, 2026
Jul 28, 2026MOption exercise
Common Stock
+5,000$56.54$283k10,921Jul 30, 2026
Jul 28, 2026MOption exercise
Common Stock
+5,000$56.54$283k15,921Jul 30, 2026
Jul 28, 2026SOpen-market sale
Common Stock
-2,300$101.11$233k13,621Jul 30, 2026
Jul 28, 2026SOpen-market sale
Common Stock
-5,300$102.01$541k8,321Jul 30, 2026
Jul 28, 2026SOpen-market sale
Common Stock
-7,400$102.97$762k921Jul 30, 2026
Jul 28, 2026MOption exercise
Option to Purchase Common Stockderivative
-2,500--0Jul 30, 2026
Jul 28, 2026MOption exercise
Option to Purchase Common Stockderivative
-2,500--0Jul 30, 2026
Jul 28, 2026MOption exercise
Option to Purchase Common Stockderivative
-5,000--0Jul 30, 2026
Jul 28, 2026MOption exercise
Option to Purchase Common Stockderivative
-5,000--0Jul 30, 2026

Related signals

Other insiders at SEI INVESTMENTS CO and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
41Moderate
SEICsell 2
SEI INVESTMENTS CO
Alfred P West Jr
Executive Chairman
$3.5M
33,877 shares
-0%
36Weak
SEICsell 2
SEI INVESTMENTS CO
Michael Lane
Executive Vice President
$247k
2,400 shares
-6%
55Moderate
SEICsell 3
SEI INVESTMENTS CO
Ryan Hicke
Chief Executive Officer
$4.2M
37,500 shares
-16%
34Weak
SEICsell 3
SEI INVESTMENTS CO
Carmen Romeo
director
$549k
5,000 shares
-0%
60Notable
SEICsell 3
SEI INVESTMENTS CO
Michael Peterson
Executive Vice President
$4.2M
37,500 shares
-65%
50Moderate
SEICsell 6
SEI INVESTMENTS CO
Philip McCabe
See Remarks
$3.2M
30,000 shares
-38%
45Moderate
SEICsell 6
SEI INVESTMENTS CO
Kathryn McCarthy
director
$1.0M
10,000 shares
-11%
50Moderate
SEICsell 6
SEI INVESTMENTS CO
Carl Guarino
director
$1.0M
10,000 shares
-35%
60Notable
SEICsell 6
SEI INVESTMENTS CO
Michael Peterson
Executive Vice President
$2.6M
25,000 shares
-55%
50Moderate
SEICsell 6
SEI INVESTMENTS CO
Sanjay Sharma
See Remarks*
$2.0M
20,000 shares
-33%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Mark Andrew Warner sold $1.5M of SEIC | InsiderTell