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 |
2025-02-10 Sale |
2025-02-12 3:43 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
532 | $717.1 | $381,498 | 63,574 (Indirect Direct) |
View |
2024-12-09 Sale |
2024-12-11 7:21 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
2,500 | $600 | $1,500,000 | 64,106 (Indirect Direct) |
View |
2024-11-08 Sale |
2024-11-13 5:13 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
734 | $765.15 | $561,620 | 66,606 (Indirect Direct) |
View |
2024-11-01 Sale |
2024-11-05 5:31 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
2,500 | $772.96 | $1,932,405 | 67,340 (Indirect Direct) |
View |
2024-10-01 Sale |
2024-10-02 11:08 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
2,500 | $908.36 | $2,270,900 | 69,840 (Indirect Direct) |
View |
2024-09-03 Sale |
2024-09-03 7:40 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
2,500 | $904.2 | $2,260,506 | 72,340 (Indirect Direct) |
View |
2024-08-08 Sale |
2024-08-12 2:37 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
728 | $778.39 | $566,668 | 74,840 (Indirect Direct) |
View |
2024-08-01 Sale |
2024-08-02 6:11 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE EVP and CFO |
2,500 | $852.51 | $2,131,264 | 75,568 (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 |
2024-07-01 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 |
2024-06-03 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 |
2024-05-08 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 |
2024-05-01 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 |
2024-04-01 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 11:07 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
2,500 | $725.76 | $1,814,388 | 91,385 (Indirect Direct) |
View |
2024-02-08 Sale |
2024-02-09 2:02 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
728 | $680 | $495,040 | 93,835 (Indirect Direct) |
View |
2024-02-05 Sale |
2024-02-07 11:17 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
867 | $641 | $555,747 | 94,563 (Indirect Direct) |
View |
2024-02-01 Sale |
2024-02-05 11:19 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
2,500 | $603.26 | $1,508,138 | 95,430 (Indirect Direct) |
View |
2024-01-04 Sale |
2024-01-08 2:41 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
27,613 | $583.14 | $16,102,245 | 97,930 (Indirect Direct) |
View |
2024-01-02 Sale |
2024-01-03 11:18 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
2,500 | $615.71 | $1,539,272 | 125,543 (Indirect Direct) |
View |
2023-12-18 Sale |
2023-12-19 12:13 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
2,500 | $631.36 | $1,578,398 | 128,043 (Indirect Direct) |
View |
2023-11-08 Sale |
2023-11-09 6:05 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
712 | $490.39 | $349,158 | 130,543 (Indirect Direct) |
View |
2023-11-06 Sale |
2023-11-07 5:02 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
847 | $492.92 | $417,503 | 131,255 (Indirect Direct) |
View |
2023-10-02 Sale |
2023-10-04 4:21 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
905 | $458.3 | $414,762 | 132,102 (Indirect Direct) |
View |
2023-08-08 Sale |
2023-08-10 6:02 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
724 | $530.28 | $383,923 | 133,007 (Indirect Direct) |
View |
2023-08-04 Sale |
2023-08-07 5:03 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
852 | $526.52 | $448,595 | 133,731 (Indirect Direct) |
View |
2023-07-21 Sale |
2023-07-25 6:35 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
7,575 | $534.23 | $4,046,792 | 134,583 (Indirect Direct) |
View |
2023-07-03 Sale |
2023-07-05 4:28 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
905 | $537.79 | $486,700 | 142,158 (Indirect Direct) |
View |
2023-05-09 Sale |
2023-05-10 6:04 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
711 | $409.78 | $291,354 | 143,063 (Indirect Direct) |
View |
2023-05-04 Sale |
2023-05-05 4:40 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
854 | $459.6 | $392,498 | 143,774 (Indirect Direct) |
View |
2023-05-03 Sale |
2023-05-04 4:42 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
2,870 | $463.55 | $1,330,389 | 144,628 (Indirect Direct) |
View |
2023-04-03 Sale |
2023-04-06 4:48 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
920 | $487.99 | $448,951 | 141,784 (Indirect Direct) |
View |
2023-02-16 Sale |
2023-02-21 4:23 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
5,000 | $521.13 | $2,605,651 | 142,704 (Indirect Direct) |
View |
2023-02-13 Sale |
2023-02-13 7:37 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
1,373 | $492.31 | $675,942 | 147,657 (Indirect Direct) |
View |
2023-02-08 Sale |
2023-02-10 4:13 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
5,684 | $462.41 | $2,628,338 | 149,030 (Indirect Direct) |
View |
2023-02-06 Sale |
2023-02-08 6:54 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
608 | $446.87 | $271,697 | 154,714 (Indirect Direct) |
View |
2023-01-03 Sale |
2023-01-05 4:53 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
1,884 | $344.96 | $649,905 | 132,465 (Indirect Direct) |
View |
2022-11-14 Sale |
2022-11-16 6:59 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
1,387 | $392.53 | $544,432 | 134,349 (Indirect Direct) |
View |
2022-11-04 Sale |
2022-11-07 4:09 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
847 | $343.98 | $291,351 | 135,736 (Indirect Direct) |
View |
2022-10-03 Sale |
2022-10-04 4:29 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
905 | $372.6 | $337,203 | 136,583 (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 |
2023-05-02 Option Award |
2023-05-04 4:42 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
5,714 | $0 | 144,628 (Direct) |
View |
2023-02-07 Option Award |
2023-02-08 6:54 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | BLEGEN THEODORE CFO |
22,857 | $0 | 154,714 (Direct) |
View |