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 3:44 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
662 | $717.1 | $474,721 | 260,621 (Indirect Direct) |
View |
2025-02-07 Sale |
2025-02-11 5:33 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
7,000 | $701.98 | $4,913,852 | 261,283 (Indirect Direct) |
View |
2024-11-08 Sale |
2024-11-13 5:14 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
866 | $765.14 | $662,611 | 219,193 (Indirect Direct) |
View |
2024-10-07 Sale |
2024-10-08 1:14 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
11,000 | $929.59 | $10,225,485 | 220,059 (Indirect Direct) |
View |
2024-08-08 Sale |
2024-08-12 2:38 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
859 | $778.39 | $668,637 | 231,042 (Indirect 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 |
2024-07-08 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 |
2024-05-08 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 |
2024-04-08 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 |
2024-02-08 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 |
2024-02-05 Sale |
2024-02-07 11:22 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
982 | $641 | $629,462 | 258,807 (Indirect Direct) |
View |
2024-01-12 Sale |
2024-01-12 5:57 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
11,000 | $582.11 | $6,403,239 | 259,789 (Indirect Direct) |
View |
2024-01-04 Sale |
2024-01-08 2:44 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
27,659 | $583.14 | $16,129,069 | 270,789 (Indirect Direct) |
View |
2023-11-08 Sale |
2023-11-09 6:05 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
859 | $490.39 | $421,245 | 298,448 (Indirect Direct) |
View |
2023-11-06 Sale |
2023-11-07 5:02 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
982 | $492.92 | $484,047 | 299,307 (Indirect Direct) |
View |
2023-10-02 Sale |
2023-10-04 4:22 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
4,305 | $458.3 | $1,972,982 | 300,289 (Indirect Direct) |
View |
2023-08-08 Sale |
2023-08-10 6:01 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
874 | $530.26 | $463,447 | 304,569 (Indirect Direct) |
View |
2023-08-04 Sale |
2023-08-07 5:02 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
988 | $526.52 | $520,202 | 305,443 (Indirect Direct) |
View |
2023-07-21 Sale |
2023-07-25 6:35 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
9,843 | $534.23 | $5,258,426 | 306,431 (Indirect Direct) |
View |
2023-07-03 Sale |
2023-07-05 4:28 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
4,305 | $537.79 | $2,315,186 | 316,274 (Indirect Direct) |
View |
2023-05-09 Sale |
2023-05-10 6:04 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
857 | $409.78 | $351,181 | 320,579 (Indirect Direct) |
View |
2023-05-04 Sale |
2023-05-05 4:39 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
991 | $459.6 | $455,464 | 321,436 (Indirect Direct) |
View |
2023-05-03 Sale |
2023-05-04 4:42 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
3,462 | $463.55 | $1,604,810 | 322,427 (Indirect Direct) |
View |
2023-04-03 Sale |
2023-04-06 4:49 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
4,360 | $487.99 | $2,127,636 | 317,204 (Indirect Direct) |
View |
2023-02-15 Sale |
2023-02-17 5:25 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
13,000 | $519.54 | $6,754,010 | 321,564 (Indirect Direct) |
View |
2023-02-13 Sale |
2023-02-13 7:36 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
1,639 | $492.31 | $806,896 | 334,542 (Indirect Direct) |
View |
2023-02-08 Sale |
2023-02-10 4:14 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
6,922 | $462.41 | $3,200,802 | 336,181 (Indirect Direct) |
View |
2023-02-06 Sale |
2023-02-08 6:54 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
723 | $446.87 | $323,087 | 343,103 (Indirect Direct) |
View |
2023-01-03 Sale |
2023-01-05 4:52 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
5,528 | $344.96 | $1,906,939 | 276,126 (Indirect Direct) |
View |
2022-11-22 Sale |
2022-11-25 09:06 am |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
5,200 | $369.27 | $1,920,204 | 314,614 (Indirect Direct) |
View |
2022-11-14 Sale |
2022-11-16 6:59 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
1,664 | $392.88 | $653,744 | 319,814 (Indirect Direct) |
View |
2022-11-07 Sale |
2022-11-09 6:07 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
4,000 | $355.74 | $1,422,960 | 321,478 (Indirect Direct) |
View |
2022-11-04 Sale |
2022-11-07 4:08 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
982 | $343.98 | $337,788 | 325,478 (Indirect Direct) |
View |
2022-10-03 Sale |
2022-10-04 4:26 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
4,305 | $372.6 | $1,604,043 | 326,460 (Indirect Direct) |
View |
2022-08-12 Sale |
2022-08-12 6:59 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
1,633 | $525.95 | $858,876 | 330,765 (Indirect Direct) |
View |
2022-08-04 Sale |
2022-08-08 4:07 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
5,184 | $529.61 | $2,745,490 | 332,398 (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 |
2025-02-18 Gift |
2025-02-20 7:02 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
1,102 | $0 | 192,451 (Indirect) |
View |
2025-02-11 Gift |
2025-02-13 6:00 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing |
7,575 | $0 | 189,733 (Indirect) |
View |
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 |
2024-04-01 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 |
2023-05-02 Option Award |
2023-05-04 4:42 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
8,685 | $0 | 322,427 (Direct) |
View |
2023-02-07 Option Award |
2023-02-08 6:54 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
34,740 | $0 | 343,103 (Direct) |
View |
2022-12-15 Gift |
2023-01-05 4:52 pm |
N/A N/A |
MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice Sr. V.P.of Sales and Marketing |
9,306 | $0 | 276,126 (Indirect) |
View |