Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • 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
What is insider trading>>
Time period
Insider Trading Transactions for CoStar Group, Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2023-06-28
Sale
2023-06-30
4:06 pm
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
21,530$89.3$1,922,629329,228
(Indirect
Direct)
View
2023-06-30
Sale
2023-06-30
4:05 pm
COSTAR GROUP INC.CSGPRuggles Lisa
Senior VP, Global Research
30,474$91.42$2,785,933156,208
(Direct)
View
2023-06-27
Sale
2023-06-28
4:08 pm
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
92,300$89.65$8,274,695264,483
(Direct)
View
2023-06-26
Sale
2023-06-28
4:07 pm
COSTAR GROUP INC.CSGPHill John W
Director
1,500$86.57$129,85516,934
(Direct)
View
2023-06-12
Sale
2023-06-14
6:12 pm
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
24,670$80.68$1,990,376350,758
(Indirect
Direct)
View
2023-06-07
Sale
2023-06-09
4:05 pm
COSTAR GROUP INC.CSGPSAINT FREDERICK G.
President, Marketplaces
30,000$80.24$2,407,200237,887
(Direct)
View
2023-04-28
Sale
2023-05-02
5:45 pm
COSTAR GROUP INC.CSGPFLORANCE ANDREW C
President and CEO
360,530$76.77$27,677,888974,309
(Direct)
View
2023-03-31
Sale
2023-04-04
4:39 pm
COSTAR GROUP INC.CSGPHill John W
Director
2,300$68.5$157,55018,434
(Direct)
View
2023-03-08
Sale
2023-03-09
4:57 pm
COSTAR GROUP INC.CSGPDESMARAIS MICHAEL J
Chief Human Resources Officer
5,600$70.36$394,01644,846
(Direct)
View
2023-03-01
Sale
2023-03-03
5:45 pm
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
35,220$70.09$2,468,570337,577
(Direct)
View
2022-11-03
Sale
2022-11-04
4:27 pm
COSTAR GROUP INC.CSGPHill John W
Director
3,650$78.92$288,05820,734
(Direct)
View
2022-10-28
Sale
2022-10-31
4:17 pm
COSTAR GROUP INC.CSGPDESMARAIS MICHAEL J
Chief Human Resources Officer
1,296$82.81$107,32236,900
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing

Ownership
2023-08-02
09:14 am
N/A
N/A
COSTAR GROUP INC.CSGPBrunner Angelique G.
Director
0$00
(Direct)
View
2023-06-01
Tax Withholding
2023-06-05
4:10 pm
N/A
N/A
COSTAR GROUP INC.CSGPRuggles Lisa
Senior VP, Global Research
11$79.4186,682
(Direct)
View
2023-05-23
Gift
2023-05-25
4:47 pm
N/A
N/A
COSTAR GROUP INC.CSGPKLEIN MICHAEL R
Director
3,977$02,059,670
(Direct)
View
2023-05-02
Gift
2023-05-05
4:15 pm
N/A
N/A
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
5,498$0368,330
(Direct)
View
2023-04-28
Exercise
2023-05-02
5:45 pm
N/A
2026-03-10
COSTAR GROUP INC.CSGPFLORANCE ANDREW C
President and CEO
360,530$0974,309
(Direct)
View
2023-04-28
Exercise
2023-05-02
5:45 pm
N/A
N/A
COSTAR GROUP INC.CSGPFLORANCE ANDREW C
President and CEO
360,530$18.28974,309
(Direct)
View
2023-03-17
Exercise
2023-03-21
5:09 pm
N/A
N/A
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
4,880$20.49379,203
(Direct)
View
2023-03-17
Exercise
2023-03-21
5:09 pm
N/A
2025-03-04
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
23,590$0379,203
(Direct)
View
2023-03-17
Exercise
2023-03-21
5:09 pm
N/A
N/A
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
5,470$18.28379,203
(Direct)
View
2023-03-17
Exercise
2023-03-21
5:09 pm
N/A
N/A
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
2,920$34.21379,203
(Direct)
View
2023-03-17
Exercise
2023-03-21
5:09 pm
N/A
N/A
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
10,320$19.37379,203
(Direct)
View
2023-03-15
Tax Withholding
2023-03-17
5:32 pm
N/A
N/A
COSTAR GROUP INC.CSGPRuggles Lisa
Senior VP, Global Research
2,485$67.62186,693
(Direct)
View
2023-03-15
Tax Withholding
2023-03-17
5:32 pm
N/A
N/A
COSTAR GROUP INC.CSGPFLORANCE ANDREW C
President and CEO
9,261$67.62974,309
(Direct)
View
2023-03-15
Option Award
2023-03-17
5:32 pm
N/A
N/A
COSTAR GROUP INC.CSGPFLORANCE ANDREW C
President and CEO
37,844$0974,309
(Direct)
View
2023-03-15
Tax Withholding
2023-03-17
5:32 pm
N/A
N/A
COSTAR GROUP INC.CSGPDESMARAIS MICHAEL J
Chief Human Resources Officer
2,210$67.6245,928
(Direct)
View
2023-03-15
Option Award
2023-03-17
5:32 pm
N/A
N/A
COSTAR GROUP INC.CSGPDESMARAIS MICHAEL J
Chief Human Resources Officer
3,292$045,928
(Direct)
View
2023-03-15
Tax Withholding
2023-03-17
5:32 pm
N/A
N/A
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
11,975$67.62375,428
(Direct)
View
2023-03-15
Option Award
2023-03-17
5:32 pm
N/A
N/A
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
26,534$0375,428
(Direct)
View
2023-03-15
Tax Withholding
2023-03-17
5:31 pm
N/A
N/A
COSTAR GROUP INC.CSGPSAINT FREDERICK G.
President, Marketplaces
10,743$67.62267,887
(Direct)
View
2023-03-15
Tax Withholding
2023-03-17
5:31 pm
N/A
N/A
COSTAR GROUP INC.CSGPBoxer Gene
General Counsel and Secretary
371$67.6218,035
(Direct)
View
2023-03-01
Tax Withholding
2023-03-03
6:00 pm
N/A
N/A
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
9,972$70.66368,173
(Direct)
View
2023-03-01
Tax Withholding
2023-03-03
5:57 pm
N/A
N/A
COSTAR GROUP INC.CSGPSAINT FREDERICK G.
President, Marketplaces
6,388$70.66283,014
(Direct)
View
2023-03-01
Tax Withholding
2023-03-03
5:54 pm
N/A
N/A
COSTAR GROUP INC.CSGPRuggles Lisa
Senior VP, Global Research
6,085$70.66193,562
(Direct)
View
2023-03-01
Tax Withholding
2023-03-03
5:51 pm
N/A
N/A
COSTAR GROUP INC.CSGPFLORANCE ANDREW C
President and CEO
24,224$70.66964,087
(Direct)
View
2023-03-01
Tax Withholding
2023-03-03
5:48 pm
N/A
N/A
COSTAR GROUP INC.CSGPDESMARAIS MICHAEL J
Chief Human Resources Officer
593$70.6650,446
(Direct)
View
2023-03-01
Exercise
2023-03-03
5:45 pm
N/A
2023-03-10
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
35,220$0337,577
(Direct)
View
2023-03-01
Tax Withholding
2023-03-03
5:45 pm
N/A
N/A
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
6,085$70.66337,577
(Direct)
View
2023-03-01
Exercise
2023-03-03
5:45 pm
N/A
N/A
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
35,220$10.22337,577
(Direct)
View
2023-02-24
Option Award
2023-02-27
5:05 pm
N/A
N/A
COSTAR GROUP INC.CSGPBoxer Gene
General Counsel and Secretary
14,139$70.7318,406
(Direct)
View
2023-02-24
Option Award
2023-02-27
4:58 pm
N/A
N/A
COSTAR GROUP INC.CSGPDESMARAIS MICHAEL J
Chief Human Resources Officer
14,139$70.7351,039
(Direct)
View
2023-02-14
Option Award
2023-02-16
7:43 pm
N/A
2033-02-13
COSTAR GROUP INC.CSGPRuggles Lisa
Senior VP, Global Research
60,120$0211,947
(Direct)
View
2023-02-14
Disposition
2023-02-16
7:43 pm
N/A
N/A
COSTAR GROUP INC.CSGPRuggles Lisa
Senior VP, Global Research
14,279$0211,947
(Direct)
View
2023-02-15
Tax Withholding
2023-02-16
7:43 pm
N/A
N/A
COSTAR GROUP INC.CSGPRuggles Lisa
Senior VP, Global Research
2,259$76.78211,947
(Direct)
View
2023-02-14
Option Award
2023-02-16
7:42 pm
N/A
2033-02-13
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
105,000$0399,545
(Direct)
View
2023-02-14
Disposition
2023-02-16
7:42 pm
N/A
N/A
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
21,418$0399,545
(Direct)
View
2023-02-15
Tax Withholding
2023-02-16
7:42 pm
N/A
N/A
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
4,141$76.78399,545
(Direct)
View
2023-02-14
Option Award
2023-02-16
7:42 pm
N/A
2033-02-13
COSTAR GROUP INC.CSGPSAINT FREDERICK G.
President, Marketplaces
60,120$0301,702
(Direct)
View
2023-02-14
Disposition
2023-02-16
7:42 pm
N/A
N/A
COSTAR GROUP INC.CSGPSAINT FREDERICK G.
President, Marketplaces
14,279$0301,702
(Direct)
View
2023-02-15
Tax Withholding
2023-02-16
7:42 pm
N/A
N/A
COSTAR GROUP INC.CSGPSAINT FREDERICK G.
President, Marketplaces
2,259$76.78301,702
(Direct)
View
2023-02-14
Option Award
2023-02-16
7:42 pm
N/A
2033-02-13
COSTAR GROUP INC.CSGPFLORANCE ANDREW C
President and CEO
359,300$01,061,711
(Direct)
View
2023-02-14
Disposition
2023-02-16
7:42 pm
N/A
N/A
COSTAR GROUP INC.CSGPFLORANCE ANDREW C
President and CEO
68,537$01,061,711
(Direct)
View
2023-02-15
Tax Withholding
2023-02-16
7:42 pm
N/A
N/A
COSTAR GROUP INC.CSGPFLORANCE ANDREW C
President and CEO
12,471$76.781,061,711
(Direct)
View
2023-02-14
Option Award
2023-02-16
7:41 pm
N/A
2033-02-13
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
105,000$0365,062
(Direct)
View
2023-02-14
Disposition
2023-02-16
7:41 pm
N/A
N/A
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
14,279$0365,062
(Direct)
View
2023-02-15
Tax Withholding
2023-02-16
7:41 pm
N/A
N/A
COSTAR GROUP INC.CSGPSIMURO FRANK
Chief Technology Officer
2,261$76.78365,062
(Direct)
View
2022-10-28
Ownership
2023-02-15
4:43 pm
N/A
N/A
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
2,610$0320,104
(Direct)
View

Ownership
2023-02-15
4:43 pm
N/A
N/A
COSTAR GROUP INC.CSGPWheeler Scott T
Chief Financial Officer
0$0320,104
(Indirect)
View
2022-11-01
Ownership
2023-02-15
4:40 pm
N/A
N/A
COSTAR GROUP INC.CSGPKLEIN MICHAEL R
Director
15,000$02,063,647
(Direct)
View
2022-10-01
Tax Withholding
2022-10-04
5:56 pm
N/A
N/A
COSTAR GROUP INC.CSGPDESMARAIS MICHAEL J
Chief Human Resources Officer
1,423$69.6538,196
(Direct)
View
2022-09-14
Option Award
2022-09-15
4:57 pm
N/A
N/A
COSTAR GROUP INC.CSGPFLORANCE ANDREW C
President and CEO
48$0783,419
(Direct)
View
2022-09-14
Option Award
2022-09-15
4:56 pm
N/A
N/A
COSTAR GROUP INC.CSGPSams Louise S
Director
3,583$08,883
(Direct)
View
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