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 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
GRAHAM HOLDINGS CO: GHC
Price: 10/10/25 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
$953.49 $1,200.00 $770.06 $4,157 3 42 0.8% 5.5% 84.44% 6.44%
Exch Sector Industry Sub-Industry
NYSE Services Educational Services Services- Educational Services
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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
    
 
O SHAUGHNESSY TIMOTHY J
PR,CEO,DIR
JS
---
2,800
---
10/7/25
---
---
26,741
-9.5
D
---
10/9/25 - 4:13:20 pm
2
    
 
O SHAUGHNESSY LAURA
BO
JS
---
2,800
---
10/7/25
---
---
26,733
-9.5
D
---
10/9/25 - 4:12:07 pm
3
    
 
WAGONER G RICHARD JR
DIR
JB
$24,470
21
---
10/1/25
---
$1,165.25
1,488
1.4
I
---
10/2/25 - 4:27:44 pm
4
    
 
MULCAHY ANNE M
DIR
JB
$24,470
21
---
10/1/25
---
$1,165.25
692
3.1
I
---
10/2/25 - 4:26:40 pm
5
    
 
MARKELL JACK A
DIR
JB
$8,157
7
---
10/1/25
---
$1,165.25
25
38.9
I
---
10/2/25 - 4:25:38 pm
6
    
 
DAVIS CHRISTOPHER C
DIR
JB
$26,801
23
---
10/1/25
---
$1,165.25
5,541
0.4
D
---
10/2/25 - 4:24:37 pm
7
    
 
CONLEY DANIELLE Y
DIR
JB
$22,140
19
---
10/1/25
---
$1,165.25
401
5.0
I
---
10/2/25 - 4:23:26 pm
8
1y
1
0%
45%
2
O SHAUGHNESSY LAURA
BO
OS
$7,821,175
6,568
---
9/29/25
---
$1,190.80
22,739
-22.4
I
---
9/30/25 - 6:57:56 pm
9
    
 
O SHAUGHNESSY LAURA
BO
OE
$6,609,836
7,580
---
9/29/25
---
$872.01
29,307
34.9
I
---
9/30/25 - 6:57:56 pm
10
1y
1
0%
45%
1
O SHAUGHNESSY TIMOTHY J
PR,CEO,DIR
OS
$7,821,175
6,568
---
9/29/25
---
$1,190.80
25,439
-20.5
D
---
9/30/25 - 6:56:12 pm
11
    
 
O SHAUGHNESSY TIMOTHY J
PR,CEO,DIR
OE
$6,609,836
7,580
---
9/29/25
---
$872.01
32,007
31.0
D
---
9/30/25 - 6:56:12 pm
12
1y
1
0%
45%
1
O SHAUGHNESSY TIMOTHY J
PR,CEO,DIR
OS
$7,365,169
6,878
---
8/20/25
---
$1,070.83
24,427
-22.0
D
---
8/22/25 - 4:21:56 pm
13
    
 
O SHAUGHNESSY TIMOTHY J
PR,CEO,DIR
OE
$6,609,836
7,580
---
8/20/25
---
$872.01
31,305
31.9
D
---
8/22/25 - 4:21:56 pm
14
1y
1
0%
45%
2
O SHAUGHNESSY LAURA
BO
OS
$7,365,169
6,878
---
8/20/25
---
$1,070.83
21,727
-24.0
I
---
8/22/25 - 4:20:38 pm
15
    
 
O SHAUGHNESSY LAURA
BO
OE
$6,609,836
7,580
---
8/20/25
---
$872.01
28,605
36.1
I
---
8/22/25 - 4:20:38 pm
16
    
 
MAAS JACOB
VP
OS
$1,877,794
1,752
---
8/19/25
---
$1,071.80
5,535
-24.0
D
---
8/21/25 - 11:48:22 am
17
    
 
MAAS JACOB
VP
OE
$1,609,600
2,000
---
8/19/25
---
$804.80
7,287
37.8
D
---
8/21/25 - 11:48:22 am
18
    
 
MULCAHY ANNE M
DIR
JB
$24,817
26
---
7/1/25
---
$954.49
671
4.0
I
---
7/2/25 - 1:42:31 pm
19
    
 
CONLEY DANIELLE Y
DIR
JB
$21,953
23
---
7/1/25
---
$954.49
382
6.4
I
---
7/2/25 - 1:41:07 pm
20
    
 
WAGONER G RICHARD JR
DIR
JB
$24,817
26
---
7/1/25
---
$954.49
1,467
1.8
I
---
7/2/25 - 1:39:24 pm
21
    
 
DAVIS CHRISTOPHER C
DIR
JB
$26,726
28
---
7/1/25
---
$954.49
5,518
0.5
D
---
7/2/25 - 1:38:03 pm
22
    
 
MARKELL JACK A
DIR
JB
$8,590
9
---
7/1/25
---
$954.49
18
100.0
I
---
7/2/25 - 1:36:28 pm
23
    
 
MARKELL JACK A
DIR
JB
$8,739
9
---
4/1/25
---
$970.97
9
New
I
---
4/3/25 - 4:21:11 pm
24
    
 
MULCAHY ANNE M
DIR
JB
$24,274
25
---
4/1/25
---
$970.97
645
4.0
I
---
4/3/25 - 4:20:13 pm
25
    
 
DAVIS CHRISTOPHER C
DIR
JB
$27,187
28
---
4/1/25
---
$970.97
5,490
0.5
D
---
4/3/25 - 4:19:22 pm
26
    
 
CONLEY DANIELLE Y
DIR
JB
$22,332
23
---
4/1/25
---
$970.97
359
6.8
I
---
4/3/25 - 4:18:27 pm
27
    
 
WAGONER G RICHARD JR
DIR
JB
$24,274
25
---
4/1/25
---
$970.97
1,441
1.8
I
---
4/3/25 - 4:17:21 pm
28
    
 
MAAS JACOB
VP
JS
$402,198
438
---
1/27/25
---
$918.26
5,287
-7.7
D
R
1/29/25 - 4:21:46 pm
29
    
 
MAAS JACOB
VP
JB
---
1,000
---
1/27/25
---
---
5,725
21.2
D
R
1/29/25 - 4:21:46 pm
30
1y
4
25%
7%
1
SNYMAN MARCEL A
VP,CAO
AS
$140,127
159
---
1/6/25
---
$881.30
442
-26.5
D
R,10b
1/6/25 - 4:18:15 pm
31
    
 
COONEY WALLACE R
CFO
JS
$193,555
222
---
1/2/25
---
$871.87
3,524
-5.9
D
R
1/6/25 - 4:25:38 pm
32
    
 
COONEY WALLACE R
CFO
JB
---
430
---
1/2/25
---
---
3,746
13.0
D
R
1/6/25 - 4:25:38 pm
33
    
 
MAAS JACOB
VP
JS
$224,071
257
---
1/2/25
---
$871.87
4,725
-5.2
D
R
1/6/25 - 4:24:20 pm
34
    
 
MAAS JACOB
VP
JB
---
430
---
1/2/25
---
---
4,982
9.4
D
R
1/6/25 - 4:24:20 pm
35
    
 
MADDREY NICOLE MARIE
VP,GC,SEC
JB
---
401
---
1/2/25
---
---
4,223
10.5
D
R
1/6/25 - 4:23:11 pm
36
    
 
ROSEN ANDREW STEPHEN
VP
JB
---
344
---
1/2/25
---
---
37,773
0.9
D
R
1/6/25 - 4:21:53 pm
37
    
 
STONESIFER SANDRA M
VP,HR
JS
$192,683
221
---
1/2/25
---
$871.87
1,322
-14.3
D
R
1/6/25 - 4:20:31 pm
38
    
 
STONESIFER SANDRA M
VP,HR
JB
---
401
---
1/2/25
---
---
1,543
35.1
D
R
1/6/25 - 4:20:31 pm
39
    
 
SNYMAN MARCEL A
VP,CAO
JS
$73,237
84
---
1/2/25
---
$871.87
601
-12.3
D
R,10b
1/6/25 - 4:18:15 pm
40
    
 
SNYMAN MARCEL A
VP,CAO
JB
---
229
---
1/2/25
---
---
685
50.2
D
R,10b
1/6/25 - 4:18:15 pm
41
    
 
WAGONER G RICHARD JR
DIR
JB
$24,412
28
---
1/2/25
---
$871.87
1,416
2.0
I
---
1/6/25 - 12:10:12 pm
42
    
 
MULCAHY ANNE M
DIR
JB
$24,412
28
---
1/2/25
---
$871.87
620
4.7
I
---
1/6/25 - 12:08:42 pm
43
    
 
DAVIS CHRISTOPHER C
DIR
JB
$27,028
31
---
1/2/25
---
$871.87
5,462
0.6
D
---
1/6/25 - 12:06:55 pm
44
    
 
CONLEY DANIELLE Y
DIR
JB
$21,797
25
---
1/2/25
---
$871.87
336
8.0
I
---
1/6/25 - 12:05:13 pm
45
1y
9
22%
11%
4
WEYMOUTH KATHARINE
DIR
S
$358,820
378
---
11/13/24
---
$949.26
1,615
-19.0
D
---
11/14/24 - 4:37:06 pm
46
    
 
MAAS JACOB
VP
JB
---
1,000
---
11/5/24
---
---
4,552
28.2
D
R
11/8/24 - 4:17:24 pm
47
1y
1
0%
45%
2
O SHAUGHNESSY LAURA
BO
OS
$20,128,278
23,858
---
11/1/24
---
$843.67
21,020
-53.2
I
---
11/5/24 - 4:24:27 pm
48
    
 
O SHAUGHNESSY LAURA
BO
OE
$18,520,990
25,754
---
11/1/24
---
$719.15
44,878
134.7
I
---
11/5/24 - 4:24:27 pm
49
1y
1
0%
45%
1
O SHAUGHNESSY TIMOTHY J
PR,CEO,DIR
OS
$20,128,278
23,858
---
11/1/24
---
$843.67
23,720
-50.1
D
---
11/5/24 - 4:21:25 pm
50
    
 
O SHAUGHNESSY TIMOTHY J
PR,CEO,DIR
OE
$18,520,990
25,754
---
11/1/24
---
$719.15
47,578
118.0
D
---
11/5/24 - 4:21:25 pm
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