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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: 5/23/13 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
$114.61 $116.16 $71.60 $3,271 29 129 0.0% 4.4% 99.77% 1.62%
Exch Sector Industry Sub-Industry
NASD Services Business Services Services- Business Services, N E C
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#:
View Form:
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
VP,OO
JS
$37,706
350
---
4/1/13
---
$107.73
32,226
-1.1
D
R
4/3/13 - 6:04:51 pm
2
PR,CEO,DIR
OS
$5,619,376
56,253
3/14/13
3/15/13
$99.68
$100.14
289,196
-16.3
D
R
3/18/13 - 7:20:06 pm
3
PR,CEO,DIR
OE
$1,950,000
50,000
3/14/13
3/15/13
---
$39.00
325,449
18.2
D
R
3/18/13 - 7:20:06 pm
4
VP
OS
$1,606,761
16,066
---
3/13/13
---
$100.01
24,970
-39.2
D
R
3/13/13 - 7:45:18 pm
5
VP
OE
$664,394
13,566
---
3/13/13
$42.29
$58.95
41,036
49.4
D
R
3/13/13 - 7:45:18 pm
6
VP
JS
$40,626
402
---
3/12/13
---
$101.06
27,470
-1.4
D
R
3/13/13 - 7:45:18 pm
7
VP,SO
OS
$1,475,959
14,599
---
3/12/13
---
$101.10
45,847
-24.2
D
R
3/13/13 - 7:44:42 pm
8
VP,SO
JS
$49,115
486
---
3/12/13
---
$101.06
45,361
-1.1
D
R
3/13/13 - 7:44:42 pm
9
VP,SO
OE
$555,840
10,262
---
3/12/13
$39.53
$58.95
60,446
20.4
D
R
3/13/13 - 7:44:42 pm
10
CFO
JS
$127,841
1,265
---
3/12/13
---
$101.06
70,671
-1.8
D
R
3/13/13 - 7:43:20 pm
11
PR,CEO,DIR
JS
$353,205
3,495
---
3/12/13
---
$101.06
295,449
-1.2
D
R
3/13/13 - 7:42:32 pm
12
VP
JB
---
3,000
---
3/11/13
---
---
27,872
12.1
D
R
3/13/13 - 7:45:18 pm
13
VP,SO
JB
---
6,000
---
3/11/13
---
---
50,184
13.6
D
R
3/13/13 - 7:44:42 pm
14
VP,OO
JB
---
7,200
---
3/11/13
---
---
32,576
28.4
D
R
3/13/13 - 7:44:09 pm
15
CFO
JB
---
8,100
---
3/11/13
---
---
71,936
12.7
D
R
3/13/13 - 7:43:20 pm
16
PR,CEO,DIR
JB
---
33,600
---
3/11/13
---
---
298,944
12.7
D
R
3/13/13 - 7:42:32 pm
17
VP,OO
OS
$994,010
9,675
---
3/5/13
---
$102.74
25,376
-27.6
D
R
3/6/13 - 6:49:42 pm
18
VP,OO
OE
$362,039
9,675
---
3/5/13
---
$37.42
35,051
38.1
D
R
3/6/13 - 6:49:42 pm
19
CFO
OS
$2,131,030
20,599
---
3/5/13
$103.00
$104.00
63,836
-24.4
D
R
3/6/13 - 6:48:32 pm
20
CFO
OE
$1,009,913
20,599
---
3/5/13
$42.29
$57.16
75,102
37.8
D
R
3/6/13 - 6:48:32 pm
21
VP
JS
$29,507
286
---
3/4/13
---
$103.17
24,872
-1.1
D
R
3/6/13 - 6:51:37 pm
22
VP,SO
JS
$57,982
562
---
3/4/13
---
$103.17
44,184
-1.3
D
R
3/6/13 - 6:50:44 pm
23
CFO
JS
$71,703
695
---
3/4/13
---
$103.17
63,836
-1.1
D
R
3/6/13 - 6:48:32 pm
24
PR,CEO,DIR
OS*
$3,325,141
32,330
---
3/4/13
---
$102.85
268,330
-10.8
D
R
3/6/13 - 6:47:10 pm
25
PR,CEO,DIR
JS
$308,066
2,986
---
3/4/13
---
$103.17
265,344
-1.1
D
R
3/6/13 - 6:47:10 pm
26
VP
JS
$50,060
522
---
2/21/13
---
$95.90
25,158
-2.0
D
R
2/25/13 - 5:07:39 pm
27
VP,SO
JS
$90,817
947
---
2/21/13
---
$95.90
44,746
-2.1
D
R
2/25/13 - 5:03:38 pm
28
CFO
JS
$113,737
1,186
---
2/21/13
---
$95.90
64,531
-1.8
D
R
2/25/13 - 5:02:25 pm
29
PR,CEO,DIR
JS
$342,363
3,570
---
2/21/13
---
$95.90
300,660
-1.2
D
R
2/25/13 - 5:01:00 pm
30
CFO
OS
$1,557,500
17,500
---
12/31/12
---
$89.00
65,717
-21.0
D
R
1/3/13 - 9:57:16 am
31
CFO
OE
$817,255
17,500
---
12/31/12
---
$43.99
83,217
26.6
D
R
1/3/13 - 9:57:16 am
32
PR,CEO,DIR
JS
---
5,000
---
12/17/12
---
---
304,230
-1.6
D
R
1/31/13 - 4:32:54 pm
33
CFO
JB
---
18
---
12/1/12
---
---
65,717
0.0
D
R
12/3/12 - 5:03:07 pm
34
VP
3
---
---
---
9/27/12
---
---
25,376
---
D
R
10/9/12 - 4:07:14 pm
35
DIR
JB
---
1,054
---
9/27/12
---
---
2,769
61.5
D
R
10/1/12 - 6:51:10 pm
36
DIR
JB
---
1,054
---
9/27/12
---
---
8,723
13.7
D
R
10/1/12 - 6:50:06 pm
37
DIR
JB
---
1,054
---
9/27/12
---
---
17,986
6.2
D
R
10/1/12 - 6:48:59 pm
38
DIR
JB
---
872
---
9/27/12
---
---
281,958
0.3
D
R
10/1/12 - 6:47:44 pm
39
DIR
JB
---
1,236
---
9/27/12
---
---
105,190
1.2
D
R
10/1/12 - 6:46:27 pm
40
DIR
JB
---
1,054
---
9/27/12
---
---
322,444
0.3
D
R
10/1/12 - 6:45:09 pm
41
DIR
JB
---
1,054
---
9/27/12
---
---
1,054
New
D
R
10/1/12 - 6:43:55 pm
42
DIR
3
---
---
---
9/27/12
---
---
---
---
D
---
10/1/12 - 6:41:44 pm
43
DIR
S
$8,254,157
100,000
9/18/12
9/20/12
---
$81.74
321,390
-23.7
D
R
9/20/12 - 5:48:21 pm
44
VP
S
$82,220
1,000
---
9/13/12
---
$82.22
25,680
-3.7
D
R
9/13/12 - 5:55:15 pm
45
PR,CEO,DIR
JB
---
31
---
9/9/12
---
---
309,230
0.0
D
R
9/10/12 - 4:39:32 pm
46
VP,SO
OS
$2,825,935
34,530
---
9/6/12
---
$81.84
45,693
-43.0
D
R
9/6/12 - 5:02:46 pm
47
VP,SO
OE
$826,050
15,000
---
9/6/12
---
$55.07
80,223
23.0
D
R
9/6/12 - 5:02:46 pm
48
VP,SO
JS
$1,275,502
15,470
---
9/4/12
---
$82.45
65,223
-19.2
D
R
9/6/12 - 5:02:46 pm
49
DIR
OB
$137,220
6,000
---
8/3/12
---
$22.87
421,390
1.4
D
R
8/7/12 - 8:04:41 am
50
PR,CEO,DIR
OS
$4,521,485
56,448
---
8/1/12
---
$80.10
309,199
-15.4
D
R
8/2/12 - 4:43:47 pm
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