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 |
| 2026-08-03 Sale | 2026-08-05 5:33 pm | MONOLITHIC POWER SYSTEMS INC. | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 30 | $1,344 | $40,318 | 234,442 (Indirect Direct) | View |
| 2026-07-15 Sale | 2026-07-17 5:43 pm | MONOLITHIC POWER SYSTEMS INC. | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 15,000 | $1,350 | $20,245,937 | 234,472 (Indirect Direct) | View |
| 2026-07-01 Sale | 2026-07-06 5:51 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 30 | $1,352 | $40,548 | 249,472 (Indirect Direct) | View |
| 2026-06-01 Sale | 2026-06-03 5:31 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 30 | $1,534 | $46,019 | 249,502 (Indirect Direct) | View |
| 2026-05-15 Sale | 2026-05-19 7:09 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 12,000 | $1,561 | $18,736,850 | 262,004 (Indirect Direct) | View |
| 2026-05-05 Sale | 2026-05-06 3:18 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 380 | $1,584 | $601,848 | 274,004 (Indirect Direct) | View |
| 2026-05-04 Sale | 2026-05-06 12:55 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 30 | $1,589 | $47,662 | 274,384 (Indirect Direct) | View |
| 2026-04-01 Sale | 2026-04-03 3:58 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 30 | $1,116 | $33,493 | 274,414 (Indirect Direct) | View |
| 2026-03-20 Sale | 2026-03-24 7:02 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 30 | $1,095 | $32,852 | 274,444 (Indirect Direct) | View |
| 2026-02-11 Sale | 2026-02-12 7:37 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 200 | $1,180 | $235,995 | 274,455 (Indirect Direct) | View |
| 2026-02-06 Sale | 2026-02-10 6:57 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 22,875 | $1,171 | $26,790,370 | 274,655 (Indirect Direct) | View |
| 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 |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-08-04 Gift | 2026-08-06 8:31 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC. | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 25,000 | $0 | 234,442 (Direct) | View |
| 2026-05-29 Gift | 2026-06-02 6:36 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 12,472 | $0 | 249,532 (Indirect) | View |
| 2026-05-13 Gift | 2026-05-15 7:45 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 1,563 | $0 | 248,907 (Indirect) | View |
| 2026-02-03 Option Award | 2026-02-05 6:56 pm | N/A N/A | MONOLITHIC POWER SYSTEMS INC | MPWR | Sciammas Maurice EVP, WW Sales & Marketing | 57,170 | $0 | 297,530 (Direct) | View |
| 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 |