Insider Transactions in Q4 2025 at Interactive Brokers Group, Inc. (IBKR)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 31
2025
|
Paul Jonathan Brody Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
53,841
+0.9%
|
$1,722,912
$32.15 P/Share
|
|
Dec 31
2025
|
William Peterffy |
BUY
Grant, award, or other acquisition
|
Direct |
389
+3.84%
|
$24,896
$64.31 P/Share
|
|
Dec 31
2025
|
Nicole Yuen |
BUY
Grant, award, or other acquisition
|
Direct |
389
+3.84%
|
$24,896
$64.31 P/Share
|
|
Dec 31
2025
|
Denis Mendonca Chief Accounting Officer |
BUY
Grant, award, or other acquisition
|
Direct |
11,156
+6.66%
|
-
|
|
Dec 31
2025
|
Lori A Conkling |
BUY
Grant, award, or other acquisition
|
Direct |
1,556
+35.0%
|
$49,792
$32.15 P/Share
|
|
Dec 31
2025
|
Earl H Nemser Vice Chairman |
BUY
Grant, award, or other acquisition
|
Direct |
23,629
+2.49%
|
$756,128
$32.15 P/Share
|
|
Dec 31
2025
|
Thomas Aj Frank Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
13,944
+4.69%
|
-
|
|
Dec 31
2025
|
Milan Galik Chief Executive Officer |
BUY
Grant, award, or other acquisition
|
Direct |
225,039
+3.05%
|
$7,201,248
$32.15 P/Share
|
|
Dec 31
2025
|
Richard H Repetto |
BUY
Grant, award, or other acquisition
|
Direct |
389
+12.77%
|
$24,896
$64.31 P/Share
|
|
Dec 31
2025
|
Jill Bright |
BUY
Grant, award, or other acquisition
|
Direct |
389
+3.51%
|
$24,896
$64.31 P/Share
|
|
Dec 31
2025
|
Lawrence E Harris |
BUY
Grant, award, or other acquisition
|
Direct |
389
+0.2%
|
$24,896
$64.31 P/Share
|
|
Dec 29
2025
|
Milan Galik Chief Executive Officer |
SELL
Other acquisition or disposition
|
Indirect |
895,688
-100.0%
|
-
|
|
Oct 29
2025
|
Lawrence E Harris |
SELL
Open market or private sale
|
Direct |
10,645
-5.08%
|
$734,505
$69.0 P/Share
|
|
Oct 28
2025
|
Lawrence E Harris |
SELL
Open market or private sale
|
Direct |
6,855
-3.17%
|
$472,995
$69.15 P/Share
|
|
Oct 27
2025
|
Lawrence E Harris |
SELL
Open market or private sale
|
Direct |
7,500
-3.35%
|
$517,500
$69.73 P/Share
|
|
Oct 24
2025
|
Lawrence E Harris |
SELL
Open market or private sale
|
Direct |
8,000
-3.45%
|
$544,000
$68.5 P/Share
|
|
Oct 23
2025
|
Lawrence E Harris |
SELL
Open market or private sale
|
Direct |
22,000
-8.67%
|
$1,474,000
$67.63 P/Share
|
|
Oct 23
2025
|
Jill Bright |
BUY
Open market or private purchase
|
Direct |
400
+3.74%
|
$26,000
$65.95 P/Share
|