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sellNotable cluster of 4

Alfred P West Jr sold $12M of SEIC

Executive Chairman at SEI INVESTMENTS CO. 141,126 shares at an average of $85.08, traded May 28, 2025, filed May 30, 2025.

Warning score
60
Value
$12M
141,126 shares
Holdings after
6,937,582
-2% from before
From 52-week low
+29%
low $64.74, close $83.80
From 52-week high
-1%
high $85.06, as of May 28, 2025

Score components

  • Role
    Chair
    +20
  • Trade size
    $12.0M at market
    +25
  • Share of holdings sold
    Sold 2.0% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +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.

This signal so far: 1m +5.6%, 3m +4.1%, 6m -4.6%.

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 May 30, 2025: +25.0%SPY +34.3% · excess -9.3%

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 0001628280-25-028520, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 28, 2025SOpen-market sale
Common Stock
-75,000$85.78$6.4M7,003,708May 30, 2025
May 29, 2025SOpen-market sale
Common Stock
-64,498$84.26$5.4M6,939,210May 30, 2025
May 29, 2025SOpen-market sale
Common Stock
-1,628$85.21$139k6,937,582May 30, 2025

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%
33Weak
SEICsell
SEI INVESTMENTS CO
Alfred P West Jr
Executive Chairman
$5.0M
57,332 shares
-1%
32Weak
SEICsell
SEI INVESTMENTS CO
William Doran
director
$453k
5,000 shares
-1%
44Moderate
SEICsell 5
SEI INVESTMENTS CO
Kathryn McCarthy
director
$911k
10,000 shares
-11%
50Moderate
SEICsell 5
SEI INVESTMENTS CO
Mark Andrew Warner
In Remarks
$365k
4,000 shares
-81%
60Notable
SEICsell 5
SEI INVESTMENTS CO
Philip McCabe
See Remarks
$1.4M
15,000 shares
-21%

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 $12M of SEIC | InsiderTell