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 |
2020-10-19 Sale |
2020-10-21 4:34 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
1,534 | $315.49 | $483,961 | 124,571 (Direct) |
View |
2020-10-01 Sale |
2020-10-02 4:36 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
905 | $280.5 | $253,856 | 126,105 (Direct) |
View |
2020-09-18 Sale |
2020-09-22 4:23 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
1,408 | $252.8 | $355,949 | 127,010 (Direct) |
View |
2020-08-19 Sale |
2020-08-20 5:24 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
1,404 | $277.23 | $389,231 | 128,418 (Direct) |
View |
2020-08-10 Sale |
2020-08-12 5:07 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
3,116 | $274.4 | $855,036 | 129,822 (Direct) |
View |
2020-07-20 Sale |
2020-07-20 6:33 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
2,408 | $249.34 | $600,411 | 132,938 (Direct) |
View |
2020-07-01 Sale |
2020-07-06 5:06 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Blegen Theodore CFO |
905 | $235.16 | $212,820 | 135,346 (Direct) |
View |
2020-06-19 Sale |
2020-06-23 5:10 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Blegen Theodore CFO |
1,408 | $224.13 | $315,571 | 136,251 (Direct) |
View |
2020-05-19 Sale |
2020-05-20 5:05 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Blegen Theodore CFO |
1,408 | $204.91 | $288,507 | 137,659 (Direct) |
View |
2020-05-08 Sale |
2020-05-12 5:28 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Blegen Theodore CFO |
3,177 | $208.67 | $662,937 | 139,067 (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 |
2020-07-21 Option Award |
2020-07-23 5:23 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
20,105 | $0 | 20,105 (Direct) |
View |