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>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2021-11-05 Sale |
2021-11-08 4:38 pm |
COSTAR GROUP INC. | CSGP | Kaplan Laura Cox Director |
4,040 | $83.29 | $336,492 | 7,139 (Direct) |
View |
2021-04-30 Sale |
2021-05-03 5:02 pm |
COSTAR GROUP INC. | CSGP | Kaplan Laura Cox Director |
1,062 | $869.03 | $922,910 | 830 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-07-17 Option Award |
2024-08-05 4:13 pm |
N/A N/A |
COSTAR GROUP INC. | CSGP | Kaplan Laura Cox Director |
3,452 | $0 | 17,835 (Direct) |
View |
2023-10-30 Option Award |
2023-11-01 4:13 pm |
N/A N/A |
COSTAR GROUP INC. | CSGP | Kaplan Laura Cox Director |
3,702 | $0 | 14,383 (Direct) |
View |
2022-09-14 Option Award |
2022-09-15 4:48 pm |
N/A N/A |
COSTAR GROUP INC. | CSGP | Kaplan Laura Cox Director |
3,542 | $0 | 10,681 (Direct) |
View |
2021-09-15 Option Award |
2021-09-17 4:29 pm |
N/A N/A |
COSTAR GROUP INC. | CSGP | Kaplan Laura Cox Director |
2,879 | $88.95 | 11,179 (Direct) |
View |
2020-09-24 Option Award |
2020-09-25 4:37 pm |
N/A N/A |
COSTAR GROUP INC. | CSGP | Kaplan Laura Cox Director |
221 | $0 | 1,892 (Direct) |
View |