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 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
MARKEL GROUP INC: MKL
Price: 10/31/25 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
$1,974.53 $2,075.92 $1,534.60 $24,899 13 42 0.0% 1.7% 82.76% 2.03%
Exch Sector Industry Sub-Industry
NYSE Finance, Insurance, And Real Estate Insurance Carriers Fire, Marine & Casualty Insurance
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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
    
 
COSTANZO BRIAN J
CFO
JB
$2,999
2
---
9/30/25
---
$1,624.66
976
0.2
D
---
10/16/25 - 4:53:34 pm
2
    
 
GRANDIS MEADE P
CAO,CT
S
$148,784
75
---
8/25/25
---
$1,983.78
275
-21.4
I
---
8/27/25 - 4:32:07 pm
3
    
 
CROWLEY ANDREW G
PR
JB
$10,000
6
---
7/15/25
---
$1,779.25
1,978
0.3
D
---
7/16/25 - 4:32:53 pm
4
    
 
COSTANZO BRIAN J
CFO
JB
$3,500
2
---
6/30/25
---
$1,580.87
974
0.2
D
---
7/16/25 - 4:30:51 pm
5
    
 
MICHAEL JONATHAN E
DIR
JB
$110,000
63
---
6/13/25
---
$1,735.89
178
55.4
D
---
6/17/25 - 4:48:10 pm
6
    
 
MORRISON HAROLD LAWRENCE JR
DIR
JB
$55,000
32
---
6/13/25
---
$1,735.89
1,005
3.3
D
---
6/17/25 - 4:47:43 pm
7
    
 
CUNNINGHAM LAWRENCE A
DIR
JB
$110,000
63
---
6/13/25
---
$1,735.89
920
7.4
D
---
6/17/25 - 4:47:03 pm
8
    
 
HOUSEL MORGAN E
DIR
JB
$110,000
63
---
6/13/25
---
$1,735.89
874
7.8
D
---
6/17/25 - 4:46:20 pm
9
    
 
LEOPOLD DIANE
DIR
JB
$110,000
63
---
6/13/25
---
$1,735.89
2,090
3.1
D
---
6/17/25 - 4:45:42 pm
10
    
 
PUCKETT A LYNNE
DIR
JB
$110,000
63
---
6/13/25
---
$1,735.89
352
21.9
D
---
6/17/25 - 4:45:01 pm
11
    
 
OREILLY MICHAEL
DIR
JB
$140,000
81
---
6/13/25
---
$1,735.89
3,756
2.2
D
---
6/17/25 - 4:43:37 pm
12
    
 
CROWLEY ANDREW G
PR
JB
$15,000
9
---
6/13/25
---
$1,735.89
1,973
0.4
D
---
6/17/25 - 4:37:04 pm
13
    
 
HARRIS GRETA J
DIR
S
$167,530
90
---
5/23/25
---
$1,861.44
632
-12.5
D
---
5/27/25 - 4:38:49 pm
14
    
 
CUNNINGHAM LAWRENCE A
DIR
B
$46,283
25
---
5/22/25
$1,849.00
$1,854.80
856
3.0
D
R
5/23/25 - 4:32:06 pm
15
    
 
HARRIS GRETA J
DIR
JB
---
88
---
5/21/25
---
---
722
13.9
D
R
5/23/25 - 4:42:42 pm
16
    
 
BESCA MARK
DIR
JB
---
88
---
5/21/25
---
---
1,052
9.1
D
R
5/23/25 - 4:40:37 pm
17
    
 
HOUSEL MORGAN E
DIR
JB
---
88
---
5/21/25
---
---
811
12.2
D
R
5/23/25 - 4:39:44 pm
18
    
 
LEOPOLD DIANE
DIR
JB
---
88
---
5/21/25
---
---
2,027
4.5
D
R
5/23/25 - 4:38:46 pm
19
    
 
MORRISON HAROLD LAWRENCE JR
DIR
JB
---
88
---
5/21/25
---
---
973
9.9
D
R
5/23/25 - 4:37:29 pm
20
    
 
OREILLY MICHAEL
DIR
JB
---
88
---
5/21/25
---
---
3,675
2.5
D
R
5/23/25 - 4:36:17 pm
21
    
 
PUCKETT A LYNNE
DIR
JB
---
88
---
5/21/25
---
---
735
13.6
D
R
5/23/25 - 4:34:16 pm
22
    
 
MICHAEL JONATHAN E
DIR
JB
---
88
---
5/21/25
---
---
114
332.9
D
R
5/23/25 - 4:33:32 pm
23
    
 
CUNNINGHAM LAWRENCE A
DIR
JB
---
88
---
5/21/25
---
---
831
11.8
D
R
5/23/25 - 4:32:06 pm
24
    
 
MARKEL STEVEN A
DIR
JS
---
300
---
5/19/25
---
---
62,368
-0.5
D
---
5/20/25 - 5:08:36 pm
25
    
 
GRANDIS MEADE P
CAO,CT
S
$764,660
400
---
5/19/25
---
$1,911.65
3,920
-9.3
I
---
5/20/25 - 5:07:19 pm
26
    
 
HEATON MICHAEL R
VP,COO
JB
$150,000
88
---
5/15/25
---
$1,710.30
4,926
1.8
D
---
5/19/25 - 4:48:41 pm
27
    
 
WILSON SIMON
CEO
JB
$640
---
---
5/15/25
---
$1,710.30
1,845
0.0
D
---
5/19/25 - 4:47:06 pm
28
    
 
CROWLEY ANDREW G
PR
JB
$5,000
3
---
5/15/25
---
$1,710.30
1,964
0.1
D
---
5/19/25 - 4:44:31 pm
29
    
 
GRANDIS MEADE P
CAO,CT
S
$750,976
400
---
5/5/25
---
$1,877.44
4,320
-8.5
I
---
5/7/25 - 4:32:14 pm
30
    
 
WILSON SIMON
CEO
JB
$644
---
---
4/15/25
---
$1,602.95
1,844
0.0
D
---
4/17/25 - 4:56:16 pm
31
    
 
MICHAEL JONATHAN E
DIR
JB
$18,333
11
---
4/15/25
---
$1,602.95
26
76.2
D
---
4/17/25 - 4:55:19 pm
32
    
 
CROWLEY ANDREW G
PR
JB
$13,750
9
---
4/15/25
---
$1,602.95
1,961
0.4
D
---
4/17/25 - 4:54:15 pm
33
    
 
CROWLEY ANDREW G
PR
JB
$21,250
15
---
3/31/25
---
$1,459.76
1,953
0.8
D
---
4/17/25 - 4:54:15 pm
34
    
 
COSTANZO BRIAN J
CFO
JB
$3,000
2
---
3/31/25
---
$1,459.76
972
0.2
D
---
4/17/25 - 4:53:20 pm
35
    
 
WILSON SIMON
CEO
3
---
---
---
3/17/25
---
---
1,843
---
D
---
3/19/25 - 4:33:25 pm
36
    
 
MICHAEL JONATHAN E
DIR
JB
---
15
---
3/15/25
---
---
15
New
D
R
3/18/25 - 4:35:27 pm
37
    
 
MICHAEL JONATHAN E
DIR
3
---
---
---
3/15/25
---
---
---
---
---
---
3/18/25 - 4:34:12 pm
38
1y
127
57%
-0%
1
MARKEL STEVEN A
DIR
JS*
$163,683
88
---
2/26/25
$1,858.56
$1,860.41
63,436
-0.1
D
10b
2/26/25 - 4:31:11 pm
39
1y
127
57%
-0%
1
MARKEL STEVEN A
DIR
AS
$1,810,256
966
---
2/25/25
$1,852.28
$1,890.27
62,668
-1.5
D
10b
2/26/25 - 4:31:11 pm
40
1y
127
57%
-0%
1
MARKEL STEVEN A
DIR
AS
$2,129,825
1,146
---
2/24/25
$1,850.13
$1,864.76
63,722
-1.8
D
10b
2/26/25 - 4:32:04 pm
41
    
 
MARKEL ANTHONY F
DIR
JS
---
840
---
2/24/25
---
---
15,000
-5.3
D
---
2/25/25 - 4:43:11 pm
42
1y
127
57%
-0%
1
MARKEL STEVEN A
DIR
AS
$1,485,440
800
---
2/21/25
$1,850.27
$1,865.02
64,868
-1.2
D
10b
2/25/25 - 4:35:30 pm
43
    
 
NOBLE JEREMY ANDREW
PR
JB
---
1,015
---
2/18/25
---
---
4,888
26.2
D
R
2/20/25 - 4:56:27 pm
44
    
 
HEATON MICHAEL R
VP,COO
JB
---
1,015
---
2/18/25
---
---
4,838
26.6
D
R
2/20/25 - 4:55:27 pm
45
    
 
GRINNAN RICHARD RANDOLPH
VP,LO,SEC
JB
---
601
---
2/18/25
---
---
3,601
20.0
D
R
2/20/25 - 4:54:25 pm
46
    
 
GRANDIS MEADE P
CAO,CT
JB
---
51
---
2/18/25
---
---
224
29.7
D
R
2/20/25 - 4:53:15 pm
47
    
 
CROWLEY ANDREW G
PR
JB
---
518
---
2/18/25
---
---
1,938
36.5
D
R
2/20/25 - 4:52:13 pm
48
    
 
COSTANZO BRIAN J
CFO
JB
---
379
---
2/18/25
---
---
970
64.2
D
R
2/20/25 - 4:51:34 pm
49
    
 
GAYNER THOMAS SINNICKSON
CEO,DIR
JB
---
3,350
---
2/18/25
---
---
52,294
6.8
D
R
2/20/25 - 4:49:55 pm
50
1y
10
80%
15%
3
GAYNER THOMAS SINNICKSON
CEO,DIR
B
$200,801
100
---
2/7/25
---
$2,008.01
48,945
0.2
D
---
2/7/25 - 4:35:19 pm
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