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Insider · CIK 0001406586

Lawrence E Harris

director

Files at IBKR (Interactive Brokers Group, Inc.). First filing Oct 27, 2025, latest Apr 29, 2026.

In brief

Lawrence E Harris files SEC Form 4 as director at IBKR (Interactive Brokers Group, Inc.). Since Oct 27, 2025, Lawrence E Harris has reported 0 open-market buys worth $0 and 4 open-market sells worth $5.8M, the latest filed on Apr 29, 2026.

A track record needs three past buys with six months of prices behind them; Lawrence E Harris has 0, so none is measured yet.

The newest scored trade: sold $2.0M of IBKR on Apr 28, 2026, filed Apr 29, 2026, scored 45 (moderate). In the last 12 months: 0 buys worth $0 and 4 sells worth $5.8M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 4
$0 bought, $5.8M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

IBKR: Interactive Brokers Group, Inc.

IBKROct 12, 2026 · close 87.89

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
45Moderate
IBKRsell
Interactive Brokers Group, Inc.
$2.0M
26,000 shares
-13%+84% from low-5% from high
36Weak
IBKRsell
Interactive Brokers Group, Inc.
$735k
10,645 shares
-5%+92% from low-5% from high
40Moderate
IBKRsell
Interactive Brokers Group, Inc.
$997k
14,355 shares
-6%+93% from low-4% from high
45Moderate
IBKRsell
Interactive Brokers Group, Inc.
$2.0M
30,000 shares
-12%+87% from low-8% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Apr 28, 2026 IBKR
Interactive Brokers Group, Inc.
26,000
0.01% of outstanding
$2.0MApr 28, 2026none
Oct 23, 2025 IBKR
Interactive Brokers Group, Inc.
75,000
0.02% of outstanding
$4.9MOct 23, 2025none

Transactions

Every row this insider has filed, 10 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Apr 28, 2026IBKR
Interactive Brokers Group, Inc.
SOpen-market sale
Class A common stock
-26,000$76.93$2.0M173,482Apr 29, 2026
Jan 1, 2026IBKR
Interactive Brokers Group, Inc.
AGrant or award
Class A common stock
+389$64.31$25k199,482Jan 26, 2026
Dec 31, 2025IBKR
Interactive Brokers Group, Inc.
AGrant or award
Class A common stock
+389$64.31$25k199,093Jan 7, 2026
Oct 29, 2025IBKR
Interactive Brokers Group, Inc.
SOpen-market sale
Class A common stock
-10,645$69.00$735k198,704Oct 31, 2025
Oct 27, 2025IBKR
Interactive Brokers Group, Inc.
SOpen-market sale
Class A common stock
-7,500$69.73$523k216,204Oct 29, 2025
Oct 28, 2025IBKR
Interactive Brokers Group, Inc.
SOpen-market sale
Class A common stock
-6,855$69.15$474k209,349Oct 29, 2025
Oct 23, 2025IBKR
Interactive Brokers Group, Inc.
SOpen-market sale
Class A common stock
-22,000$67.63$1.5M231,704Oct 27, 2025
Oct 24, 2025IBKR
Interactive Brokers Group, Inc.
SOpen-market sale
Class A common stock
-8,000$68.50$548k223,704Oct 27, 2025
Dec 31, 2024IBKR
Interactive Brokers Group, Inc.
AGrant or award
Class A common stock
+142$176.67$25k63,426Jan 7, 2025
Dec 31, 2023IBKR
Interactive Brokers Group, Inc.
AGrant or award
Class A common stock
+302$82.90$25k63,284Jan 5, 2024

Questions about Lawrence E Harris

Answered from the filings on this page, as of the latest one.

Is Lawrence E Harris buying or selling?

In the last 12 months Lawrence E Harris reported 0 open-market buys worth $0 and 4 open-market sells worth $5.8M on SEC Form 4; the latest was sold $2.0M of IBKR on Apr 28, 2026. Grants, option exercises and tax withholding are not counted.

How did Lawrence E Harris's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Lawrence E Harris has 0.

Where does Lawrence E Harris file Form 4?

Lawrence E Harris has filed Form 4 at IBKR (Interactive Brokers Group, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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: insider trades and track record | InsiderTell