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sellWeak

Lawrence E Harris sold $735k of IBKR

director at Interactive Brokers Group, Inc.. 10,645 shares at an average of $69.00, traded Oct 29, 2025, filed Oct 31, 2025.

Warning score
36
Value
$735k
10,645 shares
Holdings after
198,704
-5% from before
From 52-week low
+92%
low $35.82, close $68.90
From 52-week high
-5%
high $72.31, as of Oct 29, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $735k at market
    +21
  • Share of holdings sold
    Sold 5.1% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0

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 -7.6%, 3m +6.6%, 6m +14.6%.

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.

IBKROct 12, 2026 · close 87.89
Since filing Oct 31, 2025: +25.4%SPY +15.3% · excess +10.1%

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 0001381197-25-000155, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 29, 2025SOpen-market sale
Class A common stock
-10,645$69.00$735k198,704Oct 31, 2025

Related signals

Other insiders at Interactive Brokers Group, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
0Weak
IBKRbuy10b5-1
Interactive Brokers Group, Inc.
Lori A Conkling
director
$2,136
25 shares
+1%
0Weak
IBKRbuy10b5-1
Interactive Brokers Group, Inc.
Lori A Conkling
director
$2,363
25 shares
+1%
0Weak
IBKRbuy10b5-1
Interactive Brokers Group, Inc.
Lori A Conkling
director
$2,176
25 shares
+1%
5Weak
IBKRbuy10b5-1
Interactive Brokers Group, Inc.
Lori A Conkling
director
$2,201
25 shares
+1%
5Weak
IBKRbuy10b5-1
Interactive Brokers Group, Inc.
Lori A Conkling
director
$2,153
25 shares
+1%
5Weak
IBKRbuy10b5-1
Interactive Brokers Group, Inc.
Lori A Conkling
director
$1,991
25 shares
+1%
45Moderate
IBKRsell
Interactive Brokers Group, Inc.
Lawrence E Harris
director
$2.0M
26,000 shares
-13%
5Weak
IBKRbuy10b5-1
Interactive Brokers Group, Inc.
Lori A Conkling
director
$1,710
25 shares
+1%
0Weak
IBKRbuy10b5-1
Interactive Brokers Group, Inc.
Lori A Conkling
director
$5,391
75 shares
+3%
65Notable
IBKRsell
Interactive Brokers Group, Inc.
Earl H Nemser
Vice Chairman
$12M
155,000 shares
-100%

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.

Lawrence E Harris sold $735k of IBKR | InsiderTell