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.
"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 |
2022-08-11 Sale | 2022-08-12 6:59 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Zhou Jeff Director | 200 | $540 | $108,000 | 5,651 (Direct) | View |
2022-08-12 Sale | 2022-08-12 6:59 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO | 1,369 | $525.95 | $720,026 | 137,488 (Indirect Direct) | View |
2022-08-12 Sale | 2022-08-12 6:59 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO | 6,306 | $525.95 | $3,316,641 | 1,162,689 (Indirect Direct) | View |
2022-08-12 Sale | 2022-08-12 6:59 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice VP | 1,633 | $525.95 | $858,876 | 330,765 (Indirect Direct) | View |
2022-08-12 Sale | 2022-08-12 6:58 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria VP | 1,633 | $525.95 | $858,876 | 261,367 (Direct) | View |
2022-08-12 Sale | 2022-08-12 6:58 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations | 1,633 | $525.95 | $858,876 | 279,912 (Indirect Direct) | View |
2022-08-04 Sale | 2022-08-08 5:39 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations | 984 | $522.39 | $514,032 | 281,545 (Indirect Direct) | View |
2022-08-04 Sale | 2022-08-08 5:39 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO | 848 | $522.38 | $442,978 | 138,857 (Indirect Direct) | View |
2022-08-04 Sale | 2022-08-08 5:39 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO | 3,798 | $522.39 | $1,984,037 | 1,168,995 (Indirect Direct) | View |
2022-08-04 Sale | 2022-08-08 5:38 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria VP | 984 | $522.39 | $514,032 | 263,000 (Direct) | View |
2022-08-04 Sale | 2022-08-08 4:07 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice VP | 5,184 | $529.61 | $2,745,490 | 332,398 (Indirect Direct) | View |
2022-08-03 Sale | 2022-08-03 7:22 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Zhou Jeff Director | 200 | $520 | $104,000 | 5,851 (Direct) | View |
2022-07-01 Sale | 2022-07-06 5:11 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations | 4,515 | $361.58 | $1,632,534 | 282,529 (Indirect Direct) | View |
2022-07-01 Sale | 2022-07-06 5:11 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria VP | 4,515 | $361.58 | $1,632,534 | 263,984 (Direct) | View |
2022-07-01 Sale | 2022-07-06 5:11 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice VP | 4,515 | $361.58 | $1,632,534 | 337,582 (Indirect Direct) | View |
2022-07-01 Sale | 2022-07-06 5:10 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO | 950 | $361.58 | $343,501 | 139,705 (Indirect Direct) | View |
2022-07-01 Sale | 2022-07-06 5:10 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO | 11,495 | $361.57 | $4,156,247 | 1,172,793 (Indirect Direct) | View |
2022-05-27 Sale | 2022-05-31 3:49 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations | 1,495 | $457 | $683,215 | 287,044 (Indirect Direct) | View |
2022-05-24 Sale | 2022-05-26 7:09 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations | 4,298 | $392.44 | $1,686,707 | 288,539 (Indirect Direct) | View |
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 | 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 |
2022-05-09 Sale | 2022-05-16 4:31 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice VP | 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 4:58 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria VP | 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 | 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 VP | 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 | 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 VP | 1,663 | $429.6 | $714,425 | 349,127 (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 VP | 70,150 | $0 | 292,837 (Direct) | View |
2022-04-01 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 |