We provide you with 20 years of free, institutional-grade data for MPWR stock, allowing you to gain comprehensive visibility into the fundamentals of the company. This in-depth information is essential for making informed investment decisions and understanding the financial health and performance of MPWR. Explore the full financial landscape of MPWR stock.
Total insider purchase within 3 month on this page: $0
Total insider selling within 3 month on this page: -$170,580,390
| Name | Action | Shares | Avg Price | Amount | Reported Date |
|---|---|---|---|---|---|
| Sciammas Maurice | Sale | -30 | $1,351.61 | $40,548 | 2026-07-06 |
| Sciammas Maurice | Sale | -30 | $1,533.95 | $46,019 | 2026-06-03 |
| Tseng Saria | Sale | -7,565 | $1,700 | $12,860,500 | 2026-05-29 |
| DEAN ROBERT W II | Sale | -22 | $1,649.56 | $36,290 | 2026-05-28 |
| Zhou Jeff | Sale | -486 | $1,680 | $816,480 | 2026-05-27 |
| Tseng Saria | Sale | -5,000 | $1,586.43 | $7,932,150 | 2026-05-27 |
| Hsing Michael | Sale | -40,000 | $1,462.61 | $58,504,400 | 2026-05-20 |
| DEAN ROBERT W II | Sale | -4 | $1,563.28 | $6,253 | 2026-05-20 |
| Sciammas Maurice | Sale | -12,000 | $1,550.36 | $18,604,320 | 2026-05-19 |
| Xiao Deming | Sale | -30,000 | $1,648.38 | $49,451,400 | 2026-05-08 |
| Wynne Eileen | Sale | -335 | $1,582.68 | $530,198 | 2026-05-08 |
| Elmiger Eugen J | Sale | -12,000 | $1,559.88 | $18,718,560 | 2026-05-08 |
| Zhou Jeff | Sale | -1,514 | $1,574.48 | $2,383,763 | 2026-05-06 |
| Sciammas Maurice | Sale | -380 | $1,583.81 | $601,848 | 2026-05-06 |
| Sciammas Maurice | Sale | -30 | $1,588.73 | $47,662 | 2026-05-06 |
| Tseng Saria | Sale | -8,963 | $1,266.48 | $11,351,460 | 2026-04-10 |
| Tseng Saria | Sale | -7,636 | $1,139.96 | $8,704,735 | 2026-04-08 |
| Tseng Saria | Sale | -1,400 | $1,131.24 | $1,583,736 | 2026-04-03 |
| Sciammas Maurice | Sale | -30 | $1,116.44 | $33,493 | 2026-04-03 |
| Tseng Saria | Sale | -25,674 | $1,000.81 | $25,694,796 | 2026-04-01 |
| Sciammas Maurice | Sale | -30 | $1,095.07 | $32,852 | 2026-03-24 |
| DEAN ROBERT W II | Initial | 2026-03-09 | |||
| Hsing Michael | Sale | -33,000 | $1,155.71 | $38,138,430 | 2026-02-17 |
| Hsing Michael | Sale | -33,000 | $1,158.71 | $38,237,430 | 2026-02-13 |
| Sciammas Maurice | Sale | -200 | $1,179.97 | $235,995 | 2026-02-12 |
| Hsing Michael | Sale | -34,000 | $1,132.01 | $38,488,340 | 2026-02-12 |
| BLEGEN THEODORE | Sale | -3,000 | $927.61 | $2,782,830 | 2026-01-06 |
| Lee Victor K | Sale | -600 | $930.86 | $558,516 | 2026-01-06 |
| Lee Victor K | Sale | -1,000 | $949.7 | $949,700 | 2025-12-29 |
| BLEGEN THEODORE | Sale | -3,000 | $899.73 | $2,699,190 | 2025-12-02 |
| Tseng Saria | Sale | -40,000 | $922.78 | $36,911,200 | 2025-11-28 |
| CHANG KUO WEI HERBERT | Sale | -100 | $896.97 | $89,697 | 2025-11-25 |
| Sciammas Maurice | Sale | -3,976 | $895.23 | $3,559,434 | 2025-11-25 |
| CHANG KUO WEI HERBERT | Sale | -100 | $873.97 | $87,397 | 2025-11-24 |
| Sciammas Maurice | Sale | -35,000 | $862.58 | $30,190,300 | 2025-11-20 |
| Hsing Michael | Sale | -77,000 | $957.58 | $73,733,660 | 2025-11-13 |
| Sciammas Maurice | Sale | -200 | $986.81 | $197,362 | 2025-11-06 |
| BLEGEN THEODORE | Sale | -3,000 | $1,013.62 | $3,040,860 | 2025-11-04 |
| Xiao Deming | Sale | -54,543 | $1,096.63 | $59,813,490 | 2025-10-31 |
| Tseng Saria | Sale | -54,543 | $1,096.63 | $59,813,490 | 2025-10-31 |
| BLEGEN THEODORE | Sale | -48,298 | $1,096.63 | $52,965,036 | 2025-10-31 |
| Hsing Michael | Sale | -121,918 | $1,096.63 | $133,698,936 | 2025-10-31 |
| Sciammas Maurice | Sale | -54,543 | $1,096.63 | $59,813,490 | 2025-10-31 |
| Tseng Saria | Grant, award...etc | 135,520 | 2025-10-28 | ||
| Hsing Michael | Grant, award...etc | 302,920 | 2025-10-28 | ||
| Xiao Deming | Grant, award...etc | 135,520 | 2025-10-28 | ||
| BLEGEN THEODORE | Grant, award...etc | 87,690 | 2025-10-28 | ||
| Sciammas Maurice | Grant, award...etc | 135,520 | 2025-10-28 | ||
| Tseng Saria | Sale | -1,300 | $1,087.62 | $1,413,906 | 2025-10-24 |
| Tseng Saria | Sale | -16,840 | $1,016.18 | $17,112,471 | 2025-10-17 |
| BLEGEN THEODORE | Sale | -3,000 | $902.61 | $2,707,830 | 2025-10-01 |
| Tseng Saria | Sale | -14,510 | $914.45 | $13,268,670 | 2025-09-23 |
| Martinez Carintia | Sale | -1,400 | $900 | $1,260,000 | 2025-09-23 |
| BLEGEN THEODORE | Sale | -3,000 | $803.43 | $2,410,290 | 2025-09-03 |
| Elmiger Eugen J | Sale | -4,000 | $844.25 | $3,377,000 | 2025-09-02 |
| Zhou Jeff | Sale | -193 | $870 | $167,910 | 2025-08-28 |
| Hsing Michael | Sale | -20,231 | $825.69 | $16,704,534 | 2025-08-18 |
| Zhou Jeff | Sale | -400 | $850 | $340,000 | 2025-08-15 |
| Zhou Jeff | Sale | -200 | $830 | $166,000 | 2025-08-13 |
| BLEGEN THEODORE | Sale | -3,000 | $750 | $2,250,000 | 2025-08-04 |
| Xiao Deming | Sale | -39,999 | $780 | $31,199,220 | 2025-08-04 |
| BLEGEN THEODORE | Sale | -6,000 | $750 | $4,500,000 | 2025-07-02 |
| CHANG KUO WEI HERBERT | Sale | -50 | $738 | $36,900 | 2025-05-13 |
| CHANG KUO WEI HERBERT | Sale | -100 | $698 | $69,800 | 2025-05-12 |
| Sciammas Maurice | Sale | -12,000 | $701 | $8,412,000 | 2025-05-12 |
| CHANG KUO WEI HERBERT | Sale | -100 | $650 | $65,000 | 2025-05-09 |
The information provided in this report about MPWR stock is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.
Monolithic Power Systems, Inc(NASDAQ:MPWR)

Monolithic Power Systems, Inc. designs, develops, and markets integrated power semiconductor solutions and power delivery architectures for computing and storage, automotive, industrial, communications, and consumer applications markets. It offers direct current (DC) to DC integrated circuits (ICs) ...
Website: http://www.monolithicpower.com
Founded: 1997
Full Time Employees: 2,002
Sector: Technology
Industry: Semiconductors
