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 |
2024-07-22 Sale |
2024-07-24 4:44 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming EVP, Global Operations |
3,205 | $831.58 | $2,665,214 | 207,059 (Indirect Direct) |
View |
2024-07-22 Sale |
2024-07-24 4:43 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria EVP & General Counsel |
3,205 | $831.58 | $2,665,214 | 161,365 (Direct) |
View |
2024-07-22 Sale |
2024-07-24 4:41 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
3,205 | $831.58 | $2,665,214 | 231,901 (Indirect Direct) |
View |
2024-07-22 Sale |
2024-07-24 4:40 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
9,614 | $831.58 | $7,994,810 | 1,013,987 (Indirect Direct) |
View |
2024-07-22 Sale |
2024-07-24 4:39 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
2,580 | $831.58 | $2,145,476 | 78,068 (Indirect Direct) |
View |
2024-07-08 Sale |
2024-07-10 11:22 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
10,999 | $843.83 | $9,281,285 | 235,106 (Indirect Direct) |
View |
2024-07-02 Sale |
2024-07-02 6:27 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria EVP & General Counsel |
1,858 | $824.65 | $1,532,200 | 164,570 (Direct) |
View |
2024-07-01 Sale |
2024-07-02 6:24 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
2,500 | $804.19 | $2,010,485 | 80,648 (Indirect Direct) |
View |
2024-07-01 Sale |
2024-07-02 11:28 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
2,672 | $804.57 | $2,149,816 | 1,023,601 (Indirect Direct) |
View |
2024-07-01 Sale |
2024-07-02 11:26 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria EVP & General Counsel |
37,093 | $808.2 | $29,978,650 | 166,428 (Direct) |
View |
2024-06-28 Sale |
2024-07-01 6:43 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Lee Victor K Director |
1,000 | $820.46 | $820,460 | 29,232 (Direct) |
View |
2024-06-03 Sale |
2024-06-05 2:15 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
8,000 | $731.08 | $5,848,606 | 1,026,273 (Indirect Direct) |
View |
2024-06-03 Sale |
2024-06-05 2:12 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
2,500 | $731.77 | $1,829,437 | 83,148 (Indirect Direct) |
View |
2024-05-22 Sale |
2024-05-22 8:20 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming EVP, Global Operations |
1,300 | $769.4 | $1,000,220 | 210,264 (Indirect Direct) |
View |
2024-05-20 Sale |
2024-05-22 6:09 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | CHANG KUO WEI HERBERT Director |
200 | $750 | $150,000 | 741 (Direct) |
View |
2024-05-20 Sale |
2024-05-22 6:01 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Zhou Jeff Director |
200 | $750 | $150,000 | 6,069 (Direct) |
View |
2024-05-15 Sale |
2024-05-15 6:52 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | CHANG KUO WEI HERBERT Director |
200 | $735 | $147,000 | 941 (Direct) |
View |
2024-05-08 Sale |
2024-05-09 12:53 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria EVP & General Counsel |
869 | $690.02 | $599,627 | 203,521 (Direct) |
View |
2024-05-08 Sale |
2024-05-09 12:52 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
869 | $690 | $599,610 | 246,105 (Indirect Direct) |
View |
2024-05-08 Sale |
2024-05-09 12:50 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
737 | $689.98 | $508,515 | 85,648 (Indirect Direct) |
View |
2024-05-08 Sale |
2024-05-09 12:49 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
2,824 | $690 | $1,948,560 | 1,034,273 (Indirect Direct) |
View |
2024-05-08 Sale |
2024-05-09 12:47 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming EVP, Global Operations |
869 | $690.02 | $599,627 | 211,593 (Indirect Direct) |
View |
2024-05-01 Sale |
2024-05-03 11:41 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
2,500 | $663.29 | $1,658,215 | 86,385 (Indirect Direct) |
View |
2024-05-01 Sale |
2024-05-03 11:40 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
8,000 | $661.85 | $5,294,840 | 1,037,097 (Indirect Direct) |
View |
2024-04-08 Sale |
2024-04-09 11:14 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP of Sales and Marketing |
11,000 | $681.83 | $7,500,104 | 246,974 (Indirect Direct) |
View |
2024-04-01 Sale |
2024-04-03 7:03 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
8,000 | $677.44 | $5,419,521 | 1,045,097 (Indirect Direct) |
View |
2024-04-01 Sale |
2024-04-03 4:17 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP & CFO |
2,500 | $677.4 | $1,693,493 | 88,885 (Indirect Direct) |
View |
2024-03-01 Sale |
2024-03-04 11:09 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | Hsing Michael CEO |
8,000 | $726.08 | $5,808,620 | 1,053,097 (Indirect Direct) |
View |
2024-03-01 Sale |
2024-03-04 11:07 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
2,500 | $725.76 | $1,814,388 | 91,385 (Indirect Direct) |
View |
2024-02-29 Sale |
2024-02-29 6:10 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | CHANG KUO WEI HERBERT Director |
250 | $706.34 | $176,585 | 1,141 (Direct) |
View |
2024-02-22 Sale |
2024-02-23 11:25 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | CHANG KUO WEI HERBERT Director |
250 | $750 | $187,500 | 1,391 (Direct) |
View |
2024-02-12 Sale |
2024-02-13 11:14 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | Zhou Jeff Director |
200 | $750.57 | $150,114 | 6,269 (Direct) |
View |
2024-02-08 Sale |
2024-02-09 2:36 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming Pres. of MPS Asia Operations |
859 | $680 | $584,120 | 212,426 (Indirect Direct) |
View |
2024-02-08 Sale |
2024-02-09 2:35 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Tseng Saria Executive VP & General Counsel |
859 | $680 | $584,120 | 204,339 (Direct) |
View |
2024-02-08 Sale |
2024-02-09 2:34 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
859 | $680 | $584,120 | 257,948 (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 |
2024-05-13 Gift |
2024-05-15 5:21 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
8,554 | $0 | 199,051 (Indirect) |
View |
2024-05-10 Gift |
2024-05-10 6:39 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Xiao Deming EVP, Global Operations |
29 | $0 | 211,564 (Direct) |
View |
2024-04-01 Gift |
2024-04-03 6:31 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP of Sales and Marketing |
1,172 | $0 | 230,982 (Indirect) |
View |
2024-02-13 Gift |
2024-02-14 5:37 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Moyer James C Director |
4,000 | $0 | 11,798 (Indirect) |
View |
2024-02-12 Gift |
2024-02-12 5:23 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Moyer James C Director |
4,000 | $0 | 7,798 (Indirect) |
View |