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Detailed Insider History for:
DIAMOND HILL INVESTMENT GROUP INC: DHIL
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
$128.35 $173.25 $122.32 $347 3 28 4.7% 2.1% 71.32% 9.52%
Exch Sector Industry Sub-Industry
NasdaqGS Finance, Insurance, And Real Estate Security And Commodity Brokers, Dealers, Exchanges, And Services Investment Advice
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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
    
 
NORDIN DIANE C
DIR
3
---
---
---
10/29/25
---
---
---
---
D
---
10/29/25 - 4:32:23 pm
2
    
 
QUINIF JO ANN
PR
JB
---
21,428
---
10/1/25
---
---
47,191
83.2
D
R
10/1/25 - 1:30:29 pm
3
    
 
THOMAS L QUENTUS
DIR
S
$35,275
250
---
9/23/25
---
$141.10
2,534
-9.0
D
---
9/25/25 - 9:21:19 am
4
    
 
MEYER PAULA R
DIR
S
$49,630
350
---
9/5/25
---
$141.80
3,763
-8.5
D
---
9/9/25 - 10:32:48 am
5
    
 
BRILLIANT HEATHER E
CEO,DIR
JB
---
27,528
---
6/30/25
---
---
69,489
65.6
D
R
7/1/25 - 10:08:05 am
6
    
 
QUINIF JO ANN
PR
S
$396,000
2,750
---
6/13/25
---
$144.00
23,013
-10.7
D
---
6/17/25 - 4:57:27 pm
7
    
 
QUINIF JO ANN
PR
B
$396,028
2,750
---
6/13/25
---
$144.01
25,763
11.9
D
---
6/17/25 - 4:57:27 pm
8
    
 
HAWLEY AUSTIN
DIR
3
---
---
---
5/27/25
---
---
78,650
---
D
---
5/30/25 - 10:13:12 am
9
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$37,280
278
---
5/6/25
---
$134.10
13,829
2.1
D
---
5/7/25 - 9:09:54 am
10
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$15,996
124
---
5/2/25
---
$129.00
13,551
0.9
D
---
5/6/25 - 9:02:46 am
11
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$88,230
692
---
5/1/25
---
$127.50
13,427
5.4
D
---
5/2/25 - 11:06:45 am
12
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$124,500
1,000
---
4/30/25
---
$124.50
12,735
8.5
D
R
5/1/25 - 2:12:36 pm
13
    
 
THOMAS L QUENTUS
DIR
JB
---
926
---
4/29/25
---
---
2,784
49.8
D
R
5/1/25 - 2:33:05 pm
14
    
 
ST PIERRE NICOLE RENEE
DIR
JB
---
926
---
4/29/25
---
---
5,113
22.1
D
R
5/1/25 - 2:25:44 pm
15
    
 
MEYER PAULA R
DIR
JB
---
926
---
4/29/25
---
---
4,113
29.1
D
R
5/1/25 - 2:20:54 pm
16
    
 
FOWLER GORDON B
DIR
JB
---
926
---
4/29/25
---
---
7,713
13.6
D
R
5/1/25 - 2:15:39 pm
17
    
 
COOLEY RICHARD SCOTT
DIR
JB
---
926
---
4/29/25
---
---
11,735
8.6
D
R
5/1/25 - 2:12:36 pm
18
    
 
LINE THOMAS EDWARD
CFO
JS
$113,558
795
---
4/1/25
---
$142.84
14,108
-5.3
D
R
4/3/25 - 11:48:45 am
19
    
 
QUINIF JO ANN
PR
JS
$305,106
2,136
---
4/1/25
---
$142.84
25,763
-7.7
D
R
4/3/25 - 11:47:08 am
20
    
 
QUINIF JO ANN
PR
JB
$20,275
167
---
4/1/25
---
$121.41
27,899
0.6
D
R
4/3/25 - 11:47:08 am
21
    
 
BRILLIANT HEATHER E
CEO,DIR
JS
$318,248
2,228
---
4/1/25
---
$142.84
41,961
-5.0
D
R
4/3/25 - 11:45:09 am
22
    
 
BRILLIANT HEATHER E
CEO,DIR
JB
$20,275
167
---
4/1/25
---
$121.41
44,189
0.4
D
R
4/3/25 - 11:45:09 am
23
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$14,250
100
---
3/31/25
---
$142.50
10,809
0.9
D
---
4/1/25 - 11:22:10 am
24
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$7,175
50
---
3/21/25
---
$143.50
10,709
0.5
D
---
3/24/25 - 9:38:50 am
25
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$72,000
500
---
3/12/25
---
$144.00
10,659
4.9
D
---
3/14/25 - 9:30:06 am
26
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$73,000
500
---
3/5/25
---
$146.00
10,159
5.2
D
---
3/6/25 - 9:46:01 am
27
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$39,168
272
---
2/28/25
---
$144.00
9,659
2.9
D
---
3/3/25 - 9:58:49 am
28
    
 
QUINIF JO ANN
PR
JB
---
6,840
---
2/21/25
---
---
27,732
32.7
D
R
2/24/25 - 5:09:41 pm
29
    
 
LINE THOMAS EDWARD
CFO
JB
---
2,052
---
2/21/25
---
---
14,903
16.0
D
R
2/24/25 - 5:08:05 pm
30
    
 
BRILLIANT HEATHER E
CEO,DIR
JB
---
8,550
---
2/21/25
---
---
44,022
24.1
D
R
2/24/25 - 5:04:29 pm
31
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$152,250
1,000
---
12/20/24
---
$152.25
9,387
11.9
D
---
12/23/24 - 3:51:10 pm
32
    
 
BRILLIANT HEATHER E
CEO,DIR
JS
---
1,567
---
12/17/24
---
---
35,472
-4.2
D
---
12/18/24 - 1:50:46 pm
33
    
 
LAIRD JAMES F JR
DIR
JS
---
500
---
12/10/24
---
---
12,500
-3.8
D
---
12/11/24 - 10:06:03 am
34
1y
38
47%
1%
2
LAIRD JAMES F JR
DIR
S
$1,021,560
6,000
---
11/21/24
---
$170.26
13,000
-31.6
D
---
11/22/24 - 11:48:32 am
35
    
 
MEYER PAULA R
DIR
S
$50,700
300
---
11/14/24
---
$169.00
3,187
-8.6
D
---
11/18/24 - 10:15:16 am
36
1y
38
47%
1%
2
LAIRD JAMES F JR
DIR
S
$171,070
1,000
---
11/11/24
---
$171.07
19,000
-5.0
D
---
11/12/24 - 10:42:30 am
37
    
 
ST PIERRE NICOLE RENEE
DIR
S
$50,100
300
---
11/8/24
---
$167.00
4,187
-6.7
D
---
11/12/24 - 9:15:11 am
38
1y
38
47%
1%
2
LAIRD JAMES F JR
DIR
S
$842,650
5,000
---
11/6/24
---
$168.53
20,000
-20.0
D
---
11/7/24 - 2:46:10 pm
39
    
 
THOMAS L QUENTUS
DIR
S
$40,410
250
---
9/23/24
---
$161.64
1,858
-11.9
D
---
9/24/24 - 12:13:02 pm
40
1y
38
47%
1%
2
LAIRD JAMES F JR
DIR
S
$450,600
3,000
---
8/8/24
---
$150.20
25,000
-10.7
D
---
8/12/24 - 10:51:49 am
41
    
 
FOWLER GORDON B
DIR
3
---
---
---
7/29/24
---
---
6,787
---
D
---
8/5/24 - 2:00:37 pm
42
1y
10
80%
17%
1
BRILLIANT HEATHER E
CEO,DIR
B
$76,845
550
6/27/24
6/28/24
$139.38
$140.00
46,889
1.2
D
---
7/1/24 - 10:19:43 am
43
    
 
QUINIF JO ANN
PR
B
$55,696
400
---
6/27/24
---
$139.24
20,892
2.0
D
---
7/1/24 - 10:22:12 am
44
1y
3
33%
4%
2
COOLEY RICHARD SCOTT
DIR
B
$75,000
500
---
6/3/24
---
$150.00
8,387
6.3
D
---
6/4/24 - 9:24:41 am
45
1y
38
47%
1%
2
LAIRD JAMES F JR
DIR
S
$396,000
2,500
---
5/15/24
---
$158.40
28,000
-8.2
D
---
5/17/24 - 11:21:24 am
46
    
 
THOMAS L QUENTUS
DIR
JB
---
723
---
5/9/24
---
---
2,108
52.2
D
R
5/10/24 - 10:09:33 am
47
    
 
ST PIERRE NICOLE RENEE
DIR
JB
---
723
---
5/9/24
---
---
4,487
19.2
D
R
5/10/24 - 10:07:32 am
48
    
 
MEYER PAULA R
DIR
JB
---
723
---
5/9/24
---
---
3,487
26.2
D
R
5/10/24 - 10:05:09 am
49
    
 
COOLEY RICHARD SCOTT
DIR
JB
---
723
---
5/9/24
---
---
7,887
10.1
D
R
5/10/24 - 10:01:47 am
50
    
 
QUINIF JO ANN
PR
JS
$251,605
1,632
---
4/1/24
---
$154.17
20,492
-7.4
D
R
4/3/24 - 2:03:14 pm
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