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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 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
    
 
NEMSER EARL H
VCB,DIR
JS
$961,037
5,178
---
5/9/25
---
$185.60
107,078
-4.6
D
R,10b
6/3/25 - 4:10:44 pm
2
    
 
GALIK MILAN
CEO,DIR
JS
$11,800,448
63,580
---
5/9/25
---
$185.60
811,250
-7.3
D
R
6/3/25 - 4:08:26 pm
3
    
 
CONKLING LORI A
DIR
3
---
---
---
4/17/25
---
---
---
---
---
---
5/12/25 - 4:08:33 pm
4
    
 
PETERFFY THOMAS
CB,DIR
JS
---
6,447
---
2/20/25
---
---
1,516,182
-0.4
D
---
2/24/25 - 4:09:02 pm
5
    
 
PETERFFY THOMAS
CB,DIR
JS
---
90,297
---
2/18/25
---
---
1,522,629
-5.6
D
---
2/20/25 - 4:29:13 pm
6
9m
1
0%
-68%
3
BRIGHT JILL
DIR
B
$29,634
135
---
1/31/25
---
$219.51
2,476
5.8
D
R
2/4/25 - 4:16:25 pm
7
    
 
PETERFFY WILLIAM
DIR
JB
$25,087
142
---
12/31/24
---
$176.67
2,337
6.5
D
R
1/7/25 - 7:08:25 pm
8
    
 
FRANK THOMAS AJ
VP
JB
---
6,709
---
12/31/24
---
---
75,538
9.7
D
R
1/7/25 - 5:45:58 pm
9
    
 
REPETTO RICHARD H
DIR
JB
$25,087
567
---
12/31/24
---
$176.67
567
New
D
R
1/7/25 - 5:42:02 pm
10
    
 
HARRIS LAWRENCE E
DIR
JB
$25,087
142
---
12/31/24
---
$176.67
63,426
0.2
D
R
1/7/25 - 4:50:40 pm
11
    
 
GALIK MILAN
CEO,DIR
JB
$25,087
69,447
---
12/31/24
---
$176.67
874,830
8.6
D
R
1/7/25 - 4:47:42 pm
12
    
 
NEMSER EARL H
VCB,DIR
JB
$25,087
7,905
---
12/31/24
---
$176.67
112,256
7.6
D
R
1/7/25 - 4:44:42 pm
13
    
 
YUEN NICOLE
DIR
JB
$25,087
142
---
12/31/24
---
$176.67
2,337
6.5
D
R
1/7/25 - 4:34:34 pm
14
    
 
BRIGHT JILL
DIR
JB
$25,087
142
---
12/31/24
---
$176.67
2,341
6.5
D
R
1/7/25 - 4:32:17 pm
15
    
 
BRODY PAUL JONATHAN
CFO,DIR
JB
$25,087
18,272
---
12/31/24
---
$176.67
743,566
2.5
D
R
1/7/25 - 4:29:03 pm
16
    
 
MENDONCA DENIS
CAO
JB
---
3,748
---
12/31/24
---
---
38,735
10.7
D
R
1/7/25 - 4:25:14 pm
17
    
 
GALIK MILAN
CEO,DIR
JS
---
223,922
---
12/31/24
---
---
805,383
-21.8
D
R
1/3/25 - 4:12:53 pm
18
    
 
GALIK MILAN
CEO,DIR
JS
$42,838,516
223,922
---
11/27/24
---
$191.31
1,029,305
-17.9
D
R
12/2/24 - 5:09:47 pm
19
    
 
GALIK MILAN
CEO,DIR
JB
$42,838,516
223,922
---
11/27/24
---
$191.31
223,922
New
I
R
12/2/24 - 5:09:47 pm
20
    
 
PETERFFY THOMAS
CB,DIR
JS
---
79,975
---
10/1/24
---
---
1,612,926
-4.7
D
---
10/2/24 - 5:02:20 pm
21
    
 
NEMSER EARL H
VCB,DIR
JB
$11,857,000
100,000
---
7/25/24
---
$118.57
100,000
New
I
R
7/29/24 - 4:04:41 pm
22
    
 
MENDONCA DENIS
CAO
JS
$233,971
1,964
---
5/9/24
---
$119.13
34,987
-5.3
D
R
5/24/24 - 4:22:20 pm
23
    
 
BRODY PAUL JONATHAN
CFO,DIR
JS
$2,726,052
22,883
---
5/9/24
---
$119.13
725,294
-3.1
D
R
5/24/24 - 4:09:56 pm
24
    
 
FRANK THOMAS AJ
IO
JS
$968,170
8,127
---
5/9/24
---
$119.13
68,829
-10.6
D
R
5/24/24 - 4:06:22 pm
25
    
 
NEMSER EARL H
VCB,DIR
JS
$526,436
4,419
---
5/9/24
---
$119.13
104,351
-4.1
D
R
5/24/24 - 4:05:06 pm
26
    
 
GALIK MILAN
CEO,DIR
JS
$7,385,465
61,995
---
5/9/24
---
$119.13
1,253,227
-4.7
D
R
5/24/24 - 4:03:31 pm
27
    
 
PETERFFY THOMAS
CB,DIR
JB
$7,144,728
62,296
---
4/23/24
---
$114.69
1,692,901
3.8
D
---
4/25/24 - 4:40:44 pm
28
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
S
$1,059,350
10,000
2/21/24
2/22/24
$104.86
$107.01
108,770
-8.4
D
R
2/23/24 - 4:18:22 pm
29
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
S
$1,563,461
15,000
2/15/24
2/16/24
$102.02
$106.01
118,770
-11.2
D
R
2/20/24 - 4:55:07 pm
30
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
S
$7,597,055
75,000
2/13/24
2/14/24
$100.73
$102.09
133,770
-35.9
D
R
2/15/24 - 4:54:01 pm
31
1y
205
41%
16%
1
FRANK THOMAS AJ
IO
S
$3,814,652
39,934
2/5/24
2/6/24
$94.13
$94.91
76,956
-34.2
D
R
2/7/24 - 5:34:16 pm
32
1y
149
32%
23%
1
NEMSER EARL H
VCB,DIR
S
$9,613,978
100,000
2/2/24
2/5/24
$95.67
$96.45
208,770
-32.4
D
R
2/6/24 - 5:07:37 pm
33
1y
205
41%
16%
1
FRANK THOMAS AJ
IO
S
$7,921,090
84,477
2/1/24
2/2/24
$90.64
$96.56
116,890
-42.0
D
R
2/5/24 - 5:19:51 pm
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