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 |
2025-02-12 Purchase |
2025-02-13 4:27 pm |
INSPERITY INC. | NSP | MASTERSON ELLEN H Director |
1,755 | $85.75 | $150,491 | 16,612 (Direct) |
View |
2023-12-15 Sale |
2023-12-18 5:08 pm |
INSPERITY INC. | NSP | MASTERSON ELLEN H Director |
100 | $117.55 | $11,755 | 13,039 (Indirect 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 |
2024-05-21 Option Award |
2024-05-23 4:54 pm |
N/A N/A |
INSPERITY INC. | NSP | MASTERSON ELLEN H Director |
1,818 | $0 | 14,857 (Direct) |
View |
2024-05-20 Option Award |
2024-05-20 3:52 pm |
N/A N/A |
WESTWOOD HOLDINGS GROUP INC | WHG | MASTERSON ELLEN H Director |
7,547 | $0 | 41,144 (Direct) |
View |
2023-05-22 Option Award |
2023-05-24 5:45 pm |
N/A N/A |
INSPERITY INC. | NSP | MASTERSON ELLEN H Director |
1,574 | $0 | 13,139 (Direct) |
View |
2023-04-26 Option Award(A) |
2023-05-01 4:45 pm |
N/A N/A |
WESTWOOD HOLDINGS GROUP INC | WHG | MASTERSON ELLEN H Director |
7,917 | $0 | 33,597 (Direct) |
View |
2023-04-26 Option Award |
2023-04-27 5:06 pm |
N/A N/A |
WESTWOOD HOLDINGS GROUP INC | WHG | MASTERSON ELLEN H Director |
7,917 | $0 | 27,699 (Direct) |
View |
2022-05-23 Option Award |
2022-05-25 4:52 pm |
N/A N/A |
INSPERITY INC. | NSP | MASTERSON ELLEN H Director |
1,877 | $0 | 11,565 (Direct) |
View |
2022-04-27 Option Award |
2022-04-28 5:59 pm |
N/A N/A |
WESTWOOD HOLDINGS GROUP INC | WHG | MASTERSON ELLEN H Director |
5,898 | $0 | 25,680 (Direct) |
View |
2021-05-24 Option Award |
2021-05-26 5:44 pm |
N/A N/A |
INSPERITY INC. | NSP | MASTERSON ELLEN H Director |
1,974 | $0 | 9,688 (Direct) |
View |
2021-04-28 Option Award |
2021-04-29 9:36 pm |
N/A N/A |
WESTWOOD HOLDINGS GROUP INC | WHG | MASTERSON ELLEN H Director |
5,609 | $0 | 19,782 (Direct) |
View |
2020-05-20 Option Award |
2020-05-22 5:00 pm |
N/A N/A |
INSPERITY INC. | NSP | MASTERSON ELLEN H Director |
3,234 | $0 | 7,714 (Direct) |
View |
2020-04-29 Option Award |
2020-04-30 4:22 pm |
N/A N/A |
WESTWOOD HOLDINGS GROUP INC | WHG | MASTERSON ELLEN H Director |
3,727 | $0 | 14,173 (Direct) |
View |