IBKR
insider transactionsInteractive Brokers Group, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Cluster buy signal: Multiple insiders at the same company buying around the same time — often a stronger signal than a single buy. 2 different insiders made open-market purchases in the last 365 days, totalling $37.6K.
Net shares · 365d
-1.9M
550 buy · 1.9M sell
Net value · 365d
-$126.3M
$37.6K in · $126.3M out
Sentiment · 365d
Net selling
0% buying · 100% selling
Open-market trades · 365d
84
550 buy · 1.9M sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
Transactions · 365d
-
Buy·P
Director · 10b5-1
$2.2K
25 sh · $86.10
Own +1%
-
Buy·P
Director · 10b5-1
$2.0K
25 sh · $79.64
Own +1%
-
Sell·S
Director
$2.0M
26.0K sh · $76.93
Own -13%
-
Buy·P
Director · 10b5-1
$1.7K
25 sh · $68.38
Own +1%
-
Buy·P
Director · 10b5-1
$5.4K
75 sh · $71.88 avg · 2 lots
Own +3%
-
Sell·S
Nemser Earl H KEY
Vice Chairman
$11.8M
155.0K sh · $75.84 avg · 5 lots
Own -100%
-
Sell·S
Nemser Earl H KEY
Vice Chairman
$19.0M
245.0K sh · $77.43 avg · 3 lots
Own -53%
-
Sell·S
Director
$734.5K
10.6K sh · $69.00
Own -5%
-
Sell·S
Director
$997.0K
14.4K sh · $69.45 avg · 2 lots
Own -6%
-
Sell·S
Director
$2.0M
30.0K sh · $67.86 avg · 2 lots
Own -12%
-
Buy·P
Director
$26.4K
400 sh · $65.95
Own +4%
-
Sell·S
Chief Financial Officer · 10b5-1
$1.5M
21.4K sh · $68.11 avg · 5 lots
Own -73%
-
Sell·S
Chief Financial Officer · 10b5-1
$2.0M
31.4K sh · $65.34 avg · 5 lots
Own -53%
-
Sell·S
Chief Financial Officer · 10b5-1
$2.2M
33.4K sh · $65.09 avg · 4 lots
Own -36%
-
Sell·S
Chief Financial Officer · 10b5-1
$4.2M
65.9K sh · $64.46 avg · 4 lots
Own -41%
-
Sell·S
Chief Financial Officer · 10b5-1
$448.0K
6.9K sh · $64.66
Own -6%
-
Sell·S
Chief Financial Officer · 10b5-1
$14.2M
223.4K sh · $63.54 avg · 5 lots
Own -58%
-
Sell·S
Chief Financial Officer · 10b5-1
$12.3M
195.5K sh · $62.68 avg · 5 lots
Own -34%
-
Sell·S
Chief Financial Officer · 10b5-1
$13.3M
209.8K sh · $63.62 avg · 4 lots
Own -25%
-
Sell·S
Chief Financial Officer · 10b5-1
$13.2M
212.4K sh · $62.19 avg · 3 lots
Own -21%
-
Sell·S
Nemser Earl H KEY
Vice Chairman · 10b5-1
$3.4M
53.9K sh · $64.00 avg · 2 lots
Own -11%
-
Sell·S
Nemser Earl H KEY
Vice Chairman · 10b5-1
$13.6M
201.7K sh · $67.39 avg · 7 lots
Own -31%
-
Sell·S
Nemser Earl H KEY
Vice Chairman · 10b5-1
$1.7M
25.7K sh · $65.88 avg · 3 lots
Own -4%
-
Sell·S
Nemser Earl H KEY
Vice Chairman · 10b5-1
$1.6M
25.7K sh · $63.72 avg · 4 lots
Own -4%
-
Sell·S
Nemser Earl H KEY
Vice Chairman · 10b5-1
$1.6M
25.7K sh · $64.17 avg · 3 lots
Own -3%
-
Sell·S
Nemser Earl H KEY
Vice Chairman · 10b5-1
$1.8M
27.5K sh · $65.28 avg · 6 lots
Own -4%
-
Sell·S
Nemser Earl H KEY
Vice Chairman · 10b5-1
$2.6M
39.8K sh · $66.38 avg · 2 lots
Own -10%
-
Sell·S
Nemser Earl H KEY
Vice Chairman
$6.6K
100 sh · $65.90
Own -0%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 1, 2026 | Conkling Lori A 10b5-1 | Buy P | 25 | $2.2K |
| May 1, 2026 | Conkling Lori A 10b5-1 | Buy P | 25 | $2.0K |
| Apr 28, 2026 | Harris Lawrence E | Sell S | 26.0K | $2.0M |
| Apr 1, 2026 | Conkling Lori A 10b5-1 | Buy P | 25 | $1.7K |
| Mar 2, 2026 | Conkling Lori A 10b5-1 | Buy P | 752 lots | $5.4K |
| Jan 27, 2026 | Nemser Earl H KEY | Sell S | 155.0K5 lots | $11.8M |
| Jan 23, 2026 | Nemser Earl H KEY | Sell S | 245.0K3 lots | $19.0M |
| Oct 29, 2025 | Harris Lawrence E | Sell S | 10.6K | $734.5K |
| Oct 28, 2025 | Harris Lawrence E | Sell S | 14.4K2 lots | $997.0K |
| Oct 24, 2025 | Harris Lawrence E | Sell S | 30.0K2 lots | $2.0M |
| Oct 23, 2025 | Bright Jill | Buy P | 400 | $26.4K |
| Sep 30, 2025 | Brody Paul Jonathan KEY 10b5-1 | Sell S | 21.4K5 lots | $1.5M |
| Sep 26, 2025 | Brody Paul Jonathan KEY 10b5-1 | Sell S | 31.4K5 lots | $2.0M |
| Sep 24, 2025 | Brody Paul Jonathan KEY 10b5-1 | Sell S | 33.4K4 lots | $2.2M |
| Sep 22, 2025 | Brody Paul Jonathan KEY 10b5-1 | Sell S | 65.9K4 lots | $4.2M |
| Sep 19, 2025 | Brody Paul Jonathan KEY 10b5-1 | Sell S | 6.9K | $448.0K |
| Sep 18, 2025 | Brody Paul Jonathan KEY 10b5-1 | Sell S | 223.4K5 lots | $14.2M |
| Sep 16, 2025 | Brody Paul Jonathan KEY 10b5-1 | Sell S | 195.5K5 lots | $12.3M |
| Sep 12, 2025 | Brody Paul Jonathan KEY 10b5-1 | Sell S | 209.8K4 lots | $13.3M |
| Sep 10, 2025 | Brody Paul Jonathan KEY 10b5-1 | Sell S | 212.4K3 lots | $13.2M |
| Aug 14, 2025 | Nemser Earl H KEY 10b5-1 | Sell S | 53.9K2 lots | $3.4M |
| Aug 13, 2025 | Nemser Earl H KEY 10b5-1 | Sell S | 201.7K7 lots | $13.6M |
| Aug 11, 2025 | Nemser Earl H KEY 10b5-1 | Sell S | 25.7K3 lots | $1.7M |
| Aug 7, 2025 | Nemser Earl H KEY 10b5-1 | Sell S | 25.7K4 lots | $1.6M |
| Aug 5, 2025 | Nemser Earl H KEY 10b5-1 | Sell S | 25.7K3 lots | $1.6M |
| Aug 1, 2025 | Nemser Earl H KEY 10b5-1 | Sell S | 27.5K6 lots | $1.8M |
| Jul 30, 2025 | Nemser Earl H KEY 10b5-1 | Sell S | 39.8K2 lots | $2.6M |
| Jul 28, 2025 | Nemser Earl H KEY | Sell S | 100 | $6.6K |
Buy Sell Non-market (grant · exercise · gift)
About IBKR insider trading
This page tracks insider transactions for Interactive Brokers Group, Inc. (IBKR) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.