Insider Holders & Insider Ownership - COSTAR GROUP INC (CSGP)

List of insiders holdings for COSTAR GROUP INC:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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# Insider Holder Name Report
Date Time		 Shares Owned
Directly
Indirectly		 Total
Shares Owned		 Filing
1 KLEIN MICHAEL R
Director		 2024-12-12 16:16:17 1,848,592
0		 1,848,592 Form 4
2 FLORANCE ANDREW C
President and CEO		 2025-03-07 18:06:21 1,672,832
0		 1,672,832 Form 4
3 SIMURO FRANK
Chief Technology Officer		 2025-03-18 20:33:47 483,599
0		 483,599 Form 4
4 SAINT FREDERICK G.
President, Marketplaces		 2025-03-03 19:10:41 369,539
0		 369,539 Form 4
5 Wheeler Scott T
Chief Financial Officer		 2024-04-30 16:13:35 328,651
5,701		 334,352 Form 4
6 BONDERMAN DAVID
Director		 2014-09-15 17:41:07 294,277
0		 294,277 Form 4
7 NASSETTA CHRISTOPHER J
Director		 2024-12-02 16:55:38 229,715
46,000		 275,715 Form 4
8 Ruggles Lisa
Senior VP, Global Operations		 2025-03-18 20:34:28 211,213
0		 211,213 Form 4
9 LOWN CHRISTIAN M.
Chief Financial Officer		 2025-02-24 18:48:59 159,423
0		 159,423 Form 4
10 HABER WARREN H
Director		 2018-09-24 16:28:08 121,049
0		 121,049 Form 4
11 Glosserman Michael J
Director		 2023-11-01 16:13:10 101,465
0		 101,465 Form 4
12 ARABE MICHAEL D
Sen. VP- Sales & Cust. Service		 2004-03-02 19:00:38 89,912
1,500		 91,412 Form 4
13 DESMARAIS MICHAEL J
Chief Human Resources Officer		 2025-03-18 20:33:58 79,118
0		 79,118 Form 4
14 Boxer Gene
General Counsel and Secretary		 2025-03-18 20:34:08 78,572
0		 78,572 Form 4
15 Radecki Brian J
Chief Financial Officer		 2015-03-13 17:07:54 45,973
0		 45,973 Form 4
16 SCHAFFEL DAVID M
Chief Information Officer		 2005-03-14 17:09:59 28,635
0		 28,635 Form 4
17 Marples Paul
Managing Director, CoStar UK
Director		 2012-08-01 17:35:24 28,632
0		 28,632 Form 4
18 Cann Cynthia Cammett
Chief Accounting Officer		 2025-03-18 20:34:18 28,265
0		 28,265 Form 4
19 Kitchen Jennifer
Sr. Vice President, Research		 2013-09-11 16:55:40 22,220
0		 22,220 Form 4
20 LOW JOSIAH O III
Director		 2010-09-07 16:45:43 20,705
0		 20,705 Form 4
21 Stanfill John L
Sr. VP-Sales, Customer Service		 2014-03-12 17:50:06 20,105
0		 20,105 Form 4
22 Linnington Matthew
Executive VP, Sales		 2020-08-13 16:31:31 19,766
0		 19,766 Form 4
23 Kaplan Laura Cox
Director		 2024-08-05 16:13:30 17,835
0		 17,835 Form 4
24 Hill John W
Director		 2024-12-12 16:16:28 17,304
0		 17,304 Form 4
25 Sams Louise S
Director		 2024-08-05 16:13:51 16,118
0		 16,118 Form 4
26 Musslewhite Robert W
Director		 2024-08-05 16:13:41 15,156
0		 15,156 Form 4
27 Tully Christopher
Sr. VP-Sales, Customer Service		 2008-05-29 11:30:46 10,682
0		 10,682 Form 4
28 Brunner Angelique G.
Director		 2024-08-05 16:14:01 7,023
0		 7,023 Form 4
29 CARCHEDI FRANCIS
Executive VP, Corp. Dev.		 2018-10-02 16:17:56 6,540
0		 6,540 Form 4
30 Steinberg David Jay
Director		 2020-03-05 16:46:36 6,456
0		 6,456 Form 4
31 FARRINGTON CRAIG
Vice President, Research		 2007-05-01 16:27:06 6,307
0		 6,307 Form 4
32 Reynolds Catherine B
Director		 2007-09-18 16:16:44 5,736
0		 5,736 Form 4
33 Yinger Scott L
Interim CFO		 2015-08-11 17:23:23 4,583
0		 4,583 Form 3
34 McCarthy Christine M
Director		 2025-04-14 16:15:04 0
0		 0 Form 3
35 Glaser Rachel C
Director		 2025-04-14 16:15:06 0
0		 0 Form 3
36 BERISFORD JOHN L
Director		 2025-04-14 16:15:07 0
0		 0 Form 3