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 |
| 2025-11-24 Sale | 2025-11-25 4:31 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 3,976 | $895.23 | $3,559,434 | 240,360 (Indirect Direct) | View |
| 2025-11-19 Sale | 2025-11-20 4:48 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 27,966 | $881.66 | $24,656,387 | 244,336 (Indirect Direct) | View |
| 2025-11-19 Sale | 2025-11-20 4:47 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 7,034 | $870.21 | $6,121,059 | 272,302 (Indirect Direct) | View |
| 2025-11-05 Sale | 2025-11-06 6:53 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 200 | $986.81 | $197,362 | 279,336 (Indirect Direct) | View |
| 2025-05-12 Sale | 2025-05-12 6:02 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 12,000 | $701 | $8,412,000 | 199,555 (Indirect Direct) | View |
| 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 |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-11-13 Gift | 2025-11-14 6:31 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 4,530 | $0 | 252,676 (Indirect) | View |
| 2025-10-30 Tax Withholding | 2025-10-31 4:43 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 54,543 | $1,097 | 279,536 (Direct) | View |
| 2025-10-25 Option Award | 2025-10-28 9:35 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 135,520 | $0 | 334,079 (Direct) | View |
| 2025-08-19 Gift | 2025-08-21 5:09 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 2,499 | $0 | 185,327 (Indirect) | View |
| 2025-08-06 Gift | 2025-08-08 12:40 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 8,254 | $0 | 131,417 (Indirect) | View |
| 2025-05-28 Gift | 2025-05-30 4:32 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 1,499 | $0 | 183,828 (Indirect) | View |
| 2025-05-09 Gift | 2025-05-09 7:55 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 1,878 | $0 | 194,329 (Indirect) | View |
| 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 |