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 |
2018-10-18 Sale |
2023-05-18 09:17 am |
KRONOS WORLDWIDE INC | KRO | STAFFORD THOMAS P Director |
1 | $15.11 | $9 | 31,708 (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 |
2023-05-18 Option Award |
2023-05-19 11:13 am |
N/A N/A |
NL INDUSTRIES INC | NL | STAFFORD THOMAS P Director |
3,550 | $0 | 23,200 (Direct) |
View |
2023-05-17 Option Award |
2023-05-18 09:17 am |
N/A N/A |
KRONOS WORLDWIDE INC | KRO | STAFFORD THOMAS P Director |
2,450 | $0 | 31,708 (Direct) |
View |
2022-05-19 Option Award |
2022-05-20 11:36 am |
N/A N/A |
NL INDUSTRIES INC | NL | STAFFORD THOMAS P Director |
2,500 | $0 | 19,650 (Direct) |
View |
2022-05-18 Option Award |
2022-05-19 2:09 pm |
N/A N/A |
KRONOS WORLDWIDE INC | KRO | STAFFORD THOMAS P Director |
1,200 | $0 | 29,259 (Direct) |
View |
2021-05-20 Option Award |
2021-05-21 11:40 am |
N/A N/A |
NL INDUSTRIES INC | NL | STAFFORD THOMAS P Director |
2,750 | $0 | 17,150 (Direct) |
View |
2021-05-19 Option Award |
2021-05-20 11:53 am |
N/A N/A |
KRONOS WORLDWIDE INC | KRO | STAFFORD THOMAS P Director |
1,200 | $0 | 28,059 (Direct) |
View |
2020-05-20 Option Award(A) |
2020-05-22 3:42 pm |
N/A N/A |
KRONOS WORLDWIDE INC | KRO | STAFFORD THOMAS P Director |
2,250 | $0 | 26,859 (Direct) |
View |
2020-05-21 Option Award |
2020-05-22 10:44 am |
N/A N/A |
NL INDUSTRIES INC | NL | STAFFORD THOMAS P Director |
6,650 | $0 | 13,400 (Direct) |
View |
2020-05-20 Option Award |
2020-05-20 6:27 pm |
N/A N/A |
KRONOS WORLDWIDE INC | KRO | STAFFORD THOMAS P Director |
2,200 | $0 | 26,809 (Direct) |
View |