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sellModerate cluster of 2

Alfred P West Jr sold $3.5M of SEIC

Executive Chairman at SEI INVESTMENTS CO. 33,877 shares at an average of $103.36, traded Sep 29, 2026, filed Oct 1, 2026.

Warning score
41
Value
$3.5M
33,877 shares
Holdings after
6,784,574
-0% from before
From 52-week low
+38%
low $74.74, close $103.35
From 52-week high
-7%
high $111.63, as of Sep 29, 2026

Score components

  • Role
    Other
    +8
  • Trade size
    $3.5M at market
    +25
  • Share of holdings sold
    Sold 0.5% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8

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 9, 2026 · close 104.70
Since filing Oct 1, 2026: +0.8%SPY +1.9% · excess -1.1%

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 0000929638-26-003767, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 29, 2026SOpen-market sale
Common Stock
-28,394$103.40$2.9M6,790,05712 d ago
Sep 30, 2026SOpen-market sale
Common Stock
-5,483$103.16$566k6,784,57412 d ago

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
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%
60Notable
SEICsell 6
SEI INVESTMENTS CO
Mark Andrew Warner
See Remarks*
$1.5M
15,000 shares
-94%
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.

Alfred P West Jr sold $3.5M of SEIC | InsiderTell