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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:
COSTAR GROUP INC: CSGP
Price: 7/17/26 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
$29.78 $97.43 $26.68 $12,161 408 7,591 0.0% 3.8% 104.78% 1.21%
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
7
43%
19%
3
NASSETTA CHRISTOPHER J
DIR
S
$135,136
1,681
---
11/27/24
---
$80.39
229,715
-0.7
D
---
12/2/24 - 4:55:38 pm
2
    
 
DESMARAIS MICHAEL J
HR
S
$439,340
5,500
---
11/26/24
---
$79.88
58,798
-8.6
D
---
11/27/24 - 6:33:50 pm
3
    
 
CANN CYNTHIA CAMMETT
CAO
S
$100,674
1,310
---
11/11/24
---
$76.85
26,485
-4.7
D
---
3/14/25 - 4:47:56 pm
4
1y
13
31%
22%
2
KLEIN MICHAEL R
DIR
S
$5,350,269
71,633
---
10/25/24
---
$74.69
1,913,501
-3.6
D
---
10/28/24 - 5:14:32 pm
5
    
 
KLEIN MICHAEL R
DIR
JS
---
5,872
---
10/25/24
---
---
1,985,134
-0.3
D
---
10/28/24 - 5:14:32 pm
6
1y
7
57%
20%
2
FLORANCE ANDREW C
PR,CEO,DIR
B
$1,099,966
14,731
---
10/25/24
---
$74.67
1,263,098
1.2
D
---
10/28/24 - 5:13:24 pm
7
    
 
CANN CYNTHIA CAMMETT
CAO
S
$93,840
1,200
---
7/31/24
---
$78.20
27,795
-4.1
D
---
3/14/25 - 4:47:56 pm
8
1y
14
43%
18%
2
HILL JOHN W
DIR
S
$103,562
1,325
---
7/30/24
---
$78.16
16,545
-7.4
D
---
8/1/24 - 4:13:53 pm
9
    
 
KLEIN MICHAEL R
DIR
JS
---
16,500
---
7/27/24
---
---
1,987,225
-0.8
D
---
7/30/24 - 4:11:57 pm
10
    
 
CANN CYNTHIA CAMMETT
CAO
JB
---
9,553
---
7/26/24
---
---
28,995
49.1
D
---
7/30/24 - 4:12:19 pm
11
    
 
SAINT FREDERICK G
PR
JB
---
12,738
---
7/26/24
---
---
295,594
4.5
D
---
7/30/24 - 4:12:08 pm
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