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 |
2022-05-12 Sale |
2022-05-16 4:34 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations |
1,679 | $388.1 | $651,620 | 292,837 (Indirect Direct) |
View |
2022-05-12 Sale |
2022-05-16 4:34 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria VP & General Counsel |
1,679 | $388.1 | $651,620 | 268,499 (Direct) |
View |
2022-05-12 Sale |
2022-05-16 4:33 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
1,395 | $388.1 | $541,400 | 140,655 (Indirect Direct) |
View |
2022-05-12 Sale |
2022-05-16 4:32 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
6,481 | $388.1 | $2,515,276 | 1,184,288 (Indirect Direct) |
View |
2022-05-12 Sale |
2022-05-16 4:31 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
1,679 | $388.1 | $651,620 | 292,837 (Indirect Direct) |
View |
2022-05-04 Sale |
2022-05-05 5:02 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
850 | $453.16 | $385,182 | 142,050 (Indirect Direct) |
View |
2022-05-04 Sale |
2022-05-05 5:00 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
986 | $453.16 | $446,812 | 324,580 (Indirect Direct) |
View |
2022-05-06 Sale |
2022-05-05 5:00 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations |
986 | $453.16 | $446,812 | 294,516 (Indirect Direct) |
View |
2022-05-04 Sale |
2022-05-05 4:58 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria VP & General Counsel |
986 | $453.16 | $446,812 | 270,178 (Direct) |
View |
2022-05-04 Sale |
2022-05-05 4:57 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
3,807 | $453.15 | $1,725,155 | 1,190,769 (Indirect Direct) |
View |
2022-04-01 Sale |
2022-04-05 4:27 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
930 | $467.22 | $434,515 | 142,900 (Indirect Direct) |
View |
2022-04-01 Sale |
2022-04-05 4:27 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria VP & General Counsel |
4,420 | $467.23 | $2,065,157 | 271,164 (Direct) |
View |
2022-04-01 Sale |
2022-04-05 4:27 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
11,250 | $467.23 | $5,256,338 | 1,194,576 (Indirect Direct) |
View |
2022-04-01 Sale |
2022-04-05 4:27 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
4,420 | $467.23 | $2,065,157 | 344,762 (Indirect Direct) |
View |
2022-04-01 Sale |
2022-04-05 4:26 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations |
4,420 | $467.23 | $2,065,157 | 295,502 (Indirect Direct) |
View |
2022-02-22 Sale |
2022-02-24 4:40 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
1,539 | $452.11 | $695,795 | 143,830 (Indirect Direct) |
View |
2022-02-14 Sale |
2022-02-16 6:45 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
1,387 | $429.6 | $595,855 | 145,314 (Indirect Direct) |
View |
2022-02-14 Sale |
2022-02-16 6:45 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
6,421 | $429.6 | $2,758,462 | 1,205,792 (Indirect Direct) |
View |
2022-02-14 Sale |
2022-02-16 6:44 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations |
1,663 | $429.6 | $714,425 | 299,930 (Indirect Direct) |
View |
2022-02-14 Sale |
2022-02-16 6:44 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria VP & General Counsel |
1,663 | $429.6 | $714,425 | 275,546 (Direct) |
View |
2022-02-14 Sale |
2022-02-16 6:44 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
1,663 | $429.6 | $714,425 | 349,127 (Indirect Direct) |
View |
2022-02-07 Sale |
2022-02-09 6:24 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria VP & General Counsel |
9,093 | $399.62 | $3,633,781 | 277,209 (Direct) |
View |
2022-02-07 Sale |
2022-02-09 6:23 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations |
9,093 | $399.62 | $3,633,781 | 301,593 (Indirect Direct) |
View |
2022-02-07 Sale |
2022-02-09 6:23 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
9,844 | $399.6 | $3,933,640 | 350,790 (Indirect Direct) |
View |
2022-02-07 Sale |
2022-02-09 6:22 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
37,301 | $399.66 | $14,907,643 | 1,212,213 (Indirect Direct) |
View |
2022-02-07 Sale |
2022-02-09 6:22 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
7,453 | $399.56 | $2,977,889 | 146,701 (Indirect Direct) |
View |
2022-01-20 Sale |
2022-01-24 5:15 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
1,897 | $414.46 | $786,221 | 126,980 (Indirect Direct) |
View |
2022-01-03 Sale |
2022-01-05 4:12 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
4,305 | $490.87 | $2,113,195 | 320,935 (Indirect Direct) |
View |
2022-01-03 Sale |
2022-01-05 4:11 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations |
4,305 | $490.87 | $2,113,195 | 271,633 (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 |
2022-05-09 Gift |
2022-05-16 4:31 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
70,150 | $0 | 292,837 (Direct) |
View |
2022-04-01 Gift |
2022-05-05 5:00 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
10,500 | $0 | 324,580 (Indirect) |
View |
2022-02-16 Gift |
2022-04-05 4:26 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations |
42 | $0 | 295,502 (Direct) |
View |
2022-02-08 Option Award |
2022-02-09 7:01 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Martinez Carintia Director |
542 | $0 | 1,125 (Direct) |
View |
2022-02-08 Option Award |
2022-02-09 7:01 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Zhou Jeff Director |
542 | $0 | 6,051 (Direct) |
View |
2022-02-08 Option Award |
2022-02-09 7:00 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Moyer James C Director |
542 | $0 | 564,869 (Direct) |
View |
2022-02-08 Option Award |
2022-02-09 7:00 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Elmiger Eugen J Director |
542 | $0 | 20,060 (Direct) |
View |
2022-02-08 Option Award |
2022-02-09 6:59 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Lee Victor K Director |
542 | $0 | 29,414 (Direct) |
View |
2022-02-08 Option Award |
2022-02-09 6:59 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | CHANG KUO WEI HERBERT Director |
542 | $0 | 2,356 (Direct) |
View |
2022-02-03 Option Award |
2022-02-04 5:07 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations |
39,699 | $0 | 310,686 (Direct) |
View |
2022-02-03 Option Award |
2022-02-04 5:06 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria VP & General Counsel |
39,699 | $0 | 286,302 (Direct) |
View |
2022-02-03 Option Award |
2022-02-04 5:06 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
39,699 | $0 | 360,634 (Direct) |
View |
2022-02-03 Option Award |
2022-02-04 5:05 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
153,324 | $0 | 1,249,514 (Direct) |
View |
2022-02-03 Option Award |
2022-02-04 5:05 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
27,174 | $0 | 154,154 (Direct) |
View |