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Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
COSTAR GROUP INC: CSGP
Price: 4/11/25 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
$77.39 $93.94 $68.26 $32,640 422 3,465 0.0% 5.0% 100.63% 1.26%
Exch Sector Industry Sub-Industry
NasdaqGS Services Business Services Services- Business Services, N E C
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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
6
33%
25%
3
NASSETTA CHRISTOPHER J
DIR
S
$116,790
1,500
---
11/8/23
---
$77.86
273,615
-0.5
D
---
11/9/23 - 4:05:18 pm
2
    
 
HILL JOHN W
DIR
JB
---
3,956
---
10/30/23
---
---
20,890
23.4
D
---
11/1/23 - 4:13:51 pm
3
    
 
BRUNNER ANGELIQUE G
DIR
JB
---
3,532
---
10/30/23
---
---
3,532
New
D
---
11/1/23 - 4:13:34 pm
4
    
 
KAPLAN LAURA COX
DIR
JB
---
3,702
---
10/30/23
---
---
14,383
34.7
D
---
11/1/23 - 4:13:20 pm
5
    
 
GLOSSERMAN MICHAEL J
DIR
JB
---
3,913
---
10/30/23
---
---
101,465
4.0
D
---
11/1/23 - 4:13:10 pm
6
    
 
NASSETTA CHRISTOPHER J
DIR
JB
---
4,055
---
10/30/23
---
---
275,115
1.5
D
---
11/1/23 - 4:12:55 pm
7
    
 
SAMS LOUISE S
DIR
JB
---
3,744
---
10/30/23
---
---
12,627
42.1
D
---
11/1/23 - 4:12:40 pm
8
    
 
KLEIN MICHAEL R
DIR
JB
---
4,055
---
10/30/23
---
---
2,063,725
0.2
D
---
11/1/23 - 4:12:26 pm
9
    
 
MUSSLEWHITE ROBERT W
DIR
JB
---
3,532
---
10/30/23
---
---
11,863
42.4
D
---
11/1/23 - 4:12:08 pm
10
    
 
DESMARAIS MICHAEL J
HR
JS
$127,868
1,663
---
10/1/23
---
$76.89
44,265
-3.6
D
---
10/2/23 - 4:17:52 pm
11
    
 
BRUNNER ANGELIQUE G
DIR
3
---
---
---
8/1/23
---
---
---
---
D
---
8/2/23 - 9:14:11 am
12
1y
4
25%
17%
1
RUGGLES LISA
VP
S
$2,785,933
30,474
---
6/30/23
---
$91.42
156,208
-16.3
D
---
6/30/23 - 4:05:04 pm
13
1y
10
40%
15%
1
WHEELER SCOTT T
CFO
S
$1,922,629
21,530
---
6/28/23
---
$89.30
324,714
-6.2
D
---
6/30/23 - 4:06:13 pm
14
    
 
SIMURO FRANK
CTO
S
$8,274,695
92,300
---
6/27/23
---
$89.65
264,483
-25.9
D
---
6/28/23 - 4:08:39 pm
15
1y
12
42%
20%
2
HILL JOHN W
DIR
S
$129,855
1,500
---
6/26/23
---
$86.57
16,934
-8.1
D
---
6/28/23 - 4:07:22 pm
16
1y
10
40%
15%
1
WHEELER SCOTT T
CFO
S
$1,990,376
24,670
---
6/12/23
---
$80.68
346,244
-6.7
D
---
6/14/23 - 6:12:31 pm
17
1y
2
100%
-10%
2
SAINT FREDERICK G
PR
S
$2,407,200
30,000
---
6/7/23
---
$80.24
237,887
-11.2
D
---
6/9/23 - 4:05:57 pm
18
    
 
RUGGLES LISA
VP
JS
$873
11
---
6/1/23
---
$79.40
186,682
-0.0
D
---
6/5/23 - 4:10:56 pm
19
    
 
KLEIN MICHAEL R
DIR
JS
---
3,977
---
5/23/23
---
---
2,059,670
-0.2
D
---
5/25/23 - 4:47:29 pm
20
    
 
WHEELER SCOTT T
CFO
JS
---
5,051
---
5/2/23
---
---
367,204
-1.4
D
---
5/5/23 - 4:15:13 pm
21
    
 
WHEELER SCOTT T
CFO
JB
---
1,341
---
5/2/23
---
---
1,727
347.4
I
---
5/5/23 - 4:15:13 pm
22
1y
29
38%
22%
2
FLORANCE ANDREW C
PR,CEO,DIR
OS
$27,677,888
360,530
---
4/28/23
---
$76.77
974,309
-27.0
D
---
5/2/23 - 5:45:53 pm
23
    
 
FLORANCE ANDREW C
PR,CEO,DIR
OE
$6,590,489
360,530
---
4/28/23
---
$18.28
1,334,839
37.0
D
---
5/2/23 - 5:45:53 pm
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