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 S  AS  JS*  OS  OS*  3
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 JS
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Detailed Insider History for:
INTERACTIVE BROKERS GROUP INC: IBKR
Price: 1/23/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$77.58 $78.56 $32.82 $131,881 445 4,207 0.4% 3.0% 88.22% 2.80%
Exch Sector Industry Sub-Industry
NasdaqGS Finance, Insurance, And Real Estate Security And Commodity Brokers, Dealers, Exchanges, And Services Security Brokers, Dealers & Flotation Companies
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
S
$11,755,911
155,000
1/26/26
1/27/26
$75.07
$75.75
---
All
I
R
1/28/26 - 4:05:56 pm
2
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
S
$18,969,682
245,000
1/22/26
1/23/26
$76.81
$78.14
155,000
-61.3
I
R
1/26/26 - 5:00:25 pm
3
    
 
PETERFFY WILLIAM
DIR
JB
$25,017
389
---
1/1/26
---
$64.31
10,126
4.0
D
R
1/26/26 - 4:59:29 pm
4
    
 
NEMSER EARL H
VCB,DIR
JB
$25,017
389
---
1/1/26
---
$64.31
451,830
0.1
D
R
1/26/26 - 4:30:24 pm
5
    
 
BRODY PAUL JONATHAN
CFO,DIR
JB
$25,017
389
---
1/1/26
---
$64.31
2,939,726
0.0
D
R
1/26/26 - 4:30:12 pm
6
    
 
GALIK MILAN
CEO,DIR
JB
$25,017
389
---
1/1/26
---
$64.31
3,470,428
0.0
D
R
1/26/26 - 4:26:16 pm
7
    
 
HARRIS LAWRENCE E
DIR
JB
$25,017
389
---
1/1/26
---
$64.31
199,482
0.2
D
R
1/26/26 - 4:23:06 pm
8
    
 
CONKLING LORI A
DIR
JB
$25,017
778
12/31/25
1/1/26
---
$64.31
2,334
50.0
D
R
1/26/26 - 4:20:51 pm
9
    
 
BRIGHT JILL
DIR
JB
$25,017
389
---
1/1/26
---
$64.31
11,082
3.6
D
R
1/26/26 - 4:20:33 pm
10
    
 
YUEN NICOLE
DIR
JB
$25,017
389
---
1/1/26
---
$64.31
10,126
4.0
D
R
1/26/26 - 4:20:13 pm
11
    
 
REPETTO RICHARD H
DIR
JB
$25,017
389
---
1/1/26
---
$64.31
3,046
14.6
D
R
1/26/26 - 4:18:15 pm
12
    
 
BRODY PAUL JONATHAN
CFO,DIR
JB
$25,017
53,841
---
12/31/25
---
$64.31
2,939,337
1.9
D
R
1/7/26 - 4:22:01 pm
13
    
 
HARRIS LAWRENCE E
DIR
JB
$25,017
389
---
12/31/25
---
$64.31
199,093
0.2
D
R
1/7/26 - 4:01:12 pm
14
    
 
BRIGHT JILL
DIR
JB
$25,017
389
---
12/31/25
---
$64.31
10,693
3.8
D
R
1/7/26 - 4:01:10 pm
15
    
 
GALIK MILAN
CEO,DIR
JB
$25,017
225,039
---
12/31/25
---
$64.31
3,470,039
6.9
D
R
1/7/26 - 4:01:09 pm
16
    
 
REPETTO RICHARD H
DIR
JB
$25,017
389
---
12/31/25
---
$64.31
2,657
17.2
D
R
1/7/26 - 4:01:09 pm
17
    
 
NEMSER EARL H
VCB,DIR
JB
$25,017
23,629
---
12/31/25
---
$64.31
451,441
5.5
D
R
1/7/26 - 4:01:07 pm
18
    
 
FRANK THOMAS AJ
VP
JB
---
13,944
---
12/31/25
---
---
283,248
5.2
D
R
1/7/26 - 4:01:07 pm
19
    
 
MENDONCA DENIS
CAO
JB
---
11,156
---
12/31/25
---
---
156,228
7.7
D
R
1/7/26 - 4:01:05 pm
20
    
 
CONKLING LORI A
DIR
JB
$25,017
1,556
---
12/31/25
---
$64.31
1,556
New
D
R
1/7/26 - 4:01:05 pm
21
    
 
PETERFFY WILLIAM
DIR
JB
$25,017
389
---
12/31/25
---
$64.31
9,737
4.2
D
R
1/7/26 - 4:01:04 pm
22
    
 
YUEN NICOLE
DIR
JB
$25,017
389
---
12/31/25
---
$64.31
9,737
4.2
D
R
1/7/26 - 4:01:04 pm
23
    
 
GALIK MILAN
CEO,DIR
JS
---
895,688
---
12/29/25
---
---
---
All
I
R
12/30/25 - 4:00:04 pm
24
3m
3
0%
11%
1
HARRIS LAWRENCE E
DIR
S
$734,505
10,645
---
10/29/25
---
$69.00
198,704
-5.1
D
---
10/31/25 - 4:47:06 pm
25
3m
3
0%
11%
1
HARRIS LAWRENCE E
DIR
S
$996,998
14,355
10/27/25
10/28/25
---
$69.15
209,349
-6.4
D
---
10/29/25 - 4:05:11 pm
26
3m
3
0%
11%
1
HARRIS LAWRENCE E
DIR
S
$2,035,860
30,000
10/23/25
10/24/25
$67.63
$68.50
223,704
-11.8
D
---
10/27/25 - 4:02:19 pm
27
9m
1
0%
-68%
3
BRIGHT JILL
DIR
B
$26,380
400
---
10/23/25
---
$65.95
10,304
4.0
D
R
10/27/25 - 4:03:15 pm
28
1y
195
27%
26%
1
BRODY PAUL JONATHAN
CFO,DIR
AS
$1,454,992
21,361
9/29/25
9/30/25
$67.16
$70.00
6,928
-75.5
I
R,10b
10/1/25 - 4:05:34 pm
29
1y
195
27%
26%
1
BRODY PAUL JONATHAN
CFO,DIR
AS
$2,048,554
31,354
9/25/25
9/26/25
$63.81
$66.15
28,289
-52.6
I
R,10b
9/29/25 - 4:05:33 pm
30
1y
195
27%
26%
1
BRODY PAUL JONATHAN
CFO,DIR
AS
$2,174,958
33,416
9/23/25
9/24/25
$64.76
$65.54
59,643
-35.9
I
R,10b
9/25/25 - 4:07:21 pm
31
1y
195
27%
26%
1
BRODY PAUL JONATHAN
CFO,DIR
AS
$4,247,749
65,895
9/19/25
9/22/25
$63.94
$64.61
93,059
-41.5
I
R,10b
9/23/25 - 4:03:36 pm
32
1y
195
27%
26%
1
BRODY PAUL JONATHAN
CFO,DIR
AS
$14,193,790
223,382
9/17/25
9/18/25
$62.06
$65.05
158,954
-58.4
I
R,10b
9/19/25 - 4:04:59 pm
33
1y
195
27%
26%
1
BRODY PAUL JONATHAN
CFO,DIR
AS
$12,252,246
195,482
9/15/25
9/16/25
$62.24
$62.62
382,336
-33.8
I
R,10b
9/17/25 - 4:04:22 pm
34
1y
195
27%
26%
1
BRODY PAUL JONATHAN
CFO,DIR
AS
$13,345,630
209,783
9/11/25
9/12/25
$62.94
$64.19
577,818
-26.6
I
R,10b
9/15/25 - 4:26:16 pm
35
1y
195
27%
26%
1
BRODY PAUL JONATHAN
CFO,DIR
AS
$13,208,163
212,399
9/9/25
9/10/25
$61.30
$62.51
787,601
-21.2
I
R,10b
9/11/25 - 4:03:55 pm
36
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
AS
$3,449,442
53,900
---
8/14/25
$63.86
$64.22
400,000
-11.9
I
R,10b
8/15/25 - 4:06:49 pm
37
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
AS
$13,592,582
201,686
8/12/25
8/13/25
$63.75
$67.20
453,900
-30.8
I
R,10b
8/14/25 - 4:02:59 pm
38
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
AS
$1,691,929
25,682
8/8/25
8/11/25
$65.60
$66.09
655,586
-3.8
I
R,10b
8/12/25 - 4:02:33 pm
39
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
AS
$1,636,391
25,682
8/6/25
8/7/25
$63.47
$64.35
681,268
-3.6
I
R,10b
8/8/25 - 4:03:24 pm
40
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
AS
$1,648,119
25,682
8/4/25
8/5/25
$63.64
$64.84
706,950
-3.5
I
R,10b
8/6/25 - 4:18:20 pm
41
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
AS
$1,793,965
27,482
7/31/25
8/1/25
$62.79
$65.66
732,632
-3.6
I
R,10b
8/4/25 - 4:02:43 pm
42
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
AS
$2,640,976
39,786
---
7/30/25
$66.32
$66.64
360,114
-9.9
I
R,10b
8/1/25 - 4:49:45 pm
43
    
 
BRODY PAUL JONATHAN
CFO,DIR
JB
$66,220,000
1,000,000
---
7/30/25
---
$66.22
1,000,000
New
I
R
8/1/25 - 4:45:44 pm
44
    
 
NEMSER EARL H
VCB,DIR
JB
$26,488,000
400,000
---
7/30/25
---
$66.22
760,114
111.1
I
R
8/1/25 - 4:45:35 pm
45
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
S
$6,590
100
---
7/28/25
---
$65.90
399,900
-0.0
I
R
7/30/25 - 6:23:41 pm
46
    
 
NEMSER EARL H
VCB,DIR
JS
---
500
---
6/23/25
---
---
427,812
-0.1
D
R
6/24/25 - 4:13:03 pm
47
    
 
NEMSER EARL H
VCB,DIR
JS
$961,037
5,178
---
5/9/25
---
$185.60
107,078
-4.6
D
A,R,10b
6/4/25 - 12:25:28 pm
48
    
 
BRODY PAUL JONATHAN
CFO,DIR
JS
$4,118,835
22,192
---
5/9/25
---
$185.60
721,374
-3.0
D
R
6/3/25 - 4:41:11 pm
49
    
 
MENDONCA DENIS
CAO
JS
$457,875
2,467
---
5/9/25
---
$185.60
36,268
-6.4
D
R
6/3/25 - 4:26:51 pm
50
    
 
FRANK THOMAS AJ
VP
JS
$1,524,147
8,212
---
5/9/25
---
$185.60
67,326
-10.9
D
R
6/3/25 - 4:16:18 pm
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