| $255M | ||
| $48M | ||
| $38M | ||
| $37M | ||
| $34M | ||
| $34M |
Buys | $0 | 0 | 0 |
Sells | $774,963,558 | 60 | 100 |
| DEAN ROBERT W II | Interim CFO | 0 | $0 | 5 | $233,701 | $-233,701 |
| CHANG KUO WEI HERBERT | director | 0 | $0 | 4 | $312,173 | $-312,173 |
| Wynne Eileen | director | 0 | $0 | 1 | $530,198 | $-530,198 |
| Lee Victor K | director | 0 | $0 | 3 | $2M | $-2M |
| Zhou Jeff | director | 0 | $0 | 3 | $3.25M | $-3.25M |
| Elmiger Eugen J | director | 0 | $0 | 1 | $19.02M | $-19.02M |
| BLEGEN THEODORE | EVP and CFO | 0 | $0 | 6 | $37.82M | $-37.82M |
| Xiao Deming | EVP, Global Operations | 0 | $0 | 2 | $76.43M | $-76.43M |
| Sciammas Maurice | EVP, WW Sales & Marketing | 0 | $0 | 15 | $102.08M | $-102.08M |
| Tseng Saria | EVP & General Counsel | 0 | $0 | 12 | $149.9M | $-149.9M |
| Hsing Michael | CEO | 0 | $0 | 9 | $386.47M | $-386.47M |
Monolithic Power Systems, Inc. specializes in the creation, promotion, and sale of advanced semiconductor components for power management. Their innovative solutions cater to a broad spectrum of industries, including information technology, data storage, automotive, industrial applications, telecommunications, and consumer electronics. A core offering consists of direct current (DC) to DC integrated circuits (ICs), which are vital for regulating and transforming electrical voltages in diverse systems such as portable gadgets, wireless local …
Over the last 12 months, insiders at Monolithic Power Systems, Inc. have bought $0 and sold $774.96M worth of Monolithic Power Systems, Inc. stock.
On average, over the past 5 years, insiders at Monolithic Power Systems, Inc. have bought $0 and sold $305.07M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
| 2026-09-28 | Sale | Hsing Michael | CEO | 30,000 0.0608% | $1,344.97 | $40.35M | -6.12% | |
| 2026-08-24 | Sale | DEAN ROBERT W II | Interim CFO | 32 <0.0001% | $1,297.72 | $41,527 | -2.61% | |
| 2026-08-24 | Sale | CHANG KUO WEI HERBERT | director | 50 0.0001% | $1,281.57 | $64,079 | -2.61% | |
| 2026-08-17 | Sale | DEAN ROBERT W II | Interim CFO | 6 <0.0001% | $1,413.64 | $8,482 | -10.47% | |
| 2026-08-11 | Sale | CHANG KUO WEI HERBERT | director | 50 0.0001% | $1,420.00 | $71,000 | -8.47% | |
| 2026-08-05 | Sale | DEAN ROBERT W II | Interim CFO | 105 0.0002% | $1,344.27 | $141,148 | -3.37% | |
| 2026-08-03 | Sale | Sciammas Maurice | EVP, WW Sales & Marketing | 30 <0.0001% | $1,343.94 | $40,318 | -3.01% | |
| 2026-07-15 | Sale | Sciammas Maurice | EVP, WW Sales & Marketing | 527 0.001% | $1,314.03 | $692,494 | -3.04% | |
| 2026-07-15 | Sale | Sciammas Maurice | EVP, WW Sales & Marketing | 15,000 0.0305% | $1,349.73 | $20.25M | -3.04% | |
| 2026-07-01 | Sale | Sciammas Maurice | EVP, WW Sales & Marketing | 30 <0.0001% | $1,351.61 | $40,548 | -1.22% | |
| 2026-06-01 | Sale | Sciammas Maurice | EVP, WW Sales & Marketing | 30 <0.0001% | $1,533.95 | $46,019 | -13.41% | |
| 2026-05-27 | Sale | Tseng Saria | EVP & General Counsel | 7,565 0.0162% | $1,700.00 | $12.86M | -17.47% | |
| 2026-05-26 | Sale | DEAN ROBERT W II | Interim CFO | 22 <0.0001% | $1,649.56 | $36,290 | -19.58% | |
| 2026-05-26 | Sale | Zhou Jeff | director | 486 0.001% | $1,680.00 | $816,480 | -19.58% | |
| 2026-05-22 | Sale | Tseng Saria | EVP & General Counsel | 5,000 0.0102% | $1,586.43 | $7.93M | -15.87% | |
| 2026-05-18 | Sale | Hsing Michael | CEO | 40,000 0.0812% | $1,482.75 | $59.31M | -9.41% | |
| 2026-05-18 | Sale | DEAN ROBERT W II | Interim CFO | 4 <0.0001% | $1,563.28 | $6,253 | -9.41% | |
| 2026-05-15 | Sale | Sciammas Maurice | EVP, WW Sales & Marketing | 12,000 0.0246% | $1,561.40 | $18.74M | -13.10% | |
| 2026-05-06 | Sale | Xiao Deming | EVP, Global Operations | 30,000 0.0612% | $1,654.55 | $49.64M | -18.10% | |
| 2026-05-06 | Sale | Elmiger Eugen J | director | 12,000 0.0234% | $1,584.96 | $19.02M | -18.10% |
| Increased Positions | 572 | +54.42% | 7M | +14.04% |
| Decreased Positions | 456 | -43.39% | 4M | -9.05% |
| New Positions | 181 | New | 481,696 | New |
| Sold Out Positions | 93 | Sold Out | 513,219 | Sold Out |
| Total Postitions | 1,167 | +11.04% | 50M | +4.99% |
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