MPWR
Monolithic Power Systems Inc
NASDAQ: MPWR · TECHNOLOGY · SEMICONDUCTORS
$1,526.84
+1.51% today
Updated 2026-04-29
Market cap
$75.00B
P/E ratio
119.01
P/S ratio
26.88x
EPS (TTM)
$12.83
Dividend yield
0.41%
52W range
$604 – $1,662
Volume
0.6M
Monolithic Power Systems Inc (MPWR) Insider transactions
Net insider activity
Net buying (54,642 shares)
Buy transactions
11
Sell transactions
89
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-08 | TSENG, SARIA | EVP & General Counsel | Sale | 4,244 | $1,312.82 | $5.57M |
| 2026-04-08 | TSENG, SARIA | EVP & General Counsel | Sale | 1,279 | $1,308.30 | $1.67M |
| 2026-04-08 | TSENG, SARIA | EVP & General Counsel | Sale | 840 | $1,319.25 | $1.11M |
| 2026-04-08 | TSENG, SARIA | EVP & General Counsel | Sale | 800 | $1,302.52 | $1.04M |
| 2026-04-08 | TSENG, SARIA | EVP & General Counsel | Sale | 560 | $1,266.48 | $709228.80 |
| 2026-04-08 | TSENG, SARIA | EVP & General Counsel | Sale | 400 | $1,292.08 | $516832.00 |
| 2026-04-08 | TSENG, SARIA | EVP & General Counsel | Sale | 360 | $1,270.29 | $457304.40 |
| 2026-04-08 | TSENG, SARIA | EVP & General Counsel | Sale | 240 | $1,279.55 | $307092.00 |
| 2026-04-08 | TSENG, SARIA | EVP & General Counsel | Sale | 120 | $1,321.94 | $158632.80 |
| 2026-04-06 | TSENG, SARIA | EVP & General Counsel | Sale | 2,036 | $1,170.38 | $2.38M |
| 2026-04-06 | TSENG, SARIA | EVP & General Counsel | Sale | 1,680 | $1,176.35 | $1.98M |
| 2026-04-06 | TSENG, SARIA | EVP & General Counsel | Sale | 1,396 | $1,179.50 | $1.65M |
| 2026-04-06 | TSENG, SARIA | EVP & General Counsel | Sale | 684 | $1,165.66 | $797311.44 |
| 2026-04-06 | TSENG, SARIA | EVP & General Counsel | Sale | 560 | $1,159.62 | $649387.20 |
| 2026-04-06 | TSENG, SARIA | EVP & General Counsel | Sale | 556 | $1,144.42 | $636297.52 |
| 2026-04-06 | TSENG, SARIA | EVP & General Counsel | Sale | 480 | $1,149.05 | $551544.00 |
| 2026-04-06 | TSENG, SARIA | EVP & General Counsel | Sale | 244 | $1,139.96 | $278150.24 |
| 2026-04-01 | TSENG, SARIA | EVP & General Counsel | Sale | 576 | $1,131.24 | $651594.24 |
| 2026-04-01 | TSENG, SARIA | EVP & General Counsel | Sale | 292 | $1,136.99 | $332001.08 |
| 2026-04-01 | TSENG, SARIA | EVP & General Counsel | Sale | 188 | $1,135.91 | $213551.08 |
| 2026-04-01 | TSENG, SARIA | EVP & General Counsel | Sale | 184 | $1,132.15 | $208315.60 |
| 2026-04-01 | TSENG, SARIA | EVP & General Counsel | Sale | 160 | $1,134.14 | $181462.40 |
| 2026-04-01 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Sale | 30 | $1,116.44 | $33493.20 |
| 2026-03-30 | TSENG, SARIA | EVP & General Counsel | Sale | 9,080 | $1,005.18 | $9.13M |
| 2026-03-30 | TSENG, SARIA | EVP & General Counsel | Sale | 5,154 | $1,000.81 | $5.16M |
| 2026-03-30 | TSENG, SARIA | EVP & General Counsel | Sale | 3,360 | $1,009.63 | $3.39M |
| 2026-03-30 | TSENG, SARIA | EVP & General Counsel | Sale | 3,194 | $1,017.22 | $3.25M |
| 2026-03-30 | TSENG, SARIA | EVP & General Counsel | Sale | 2,440 | $1,029.21 | $2.51M |
| 2026-03-30 | TSENG, SARIA | EVP & General Counsel | Sale | 2,200 | $1,023.00 | $2.25M |
| 2026-03-30 | TSENG, SARIA | EVP & General Counsel | Sale | 166 | $1,035.60 | $171909.60 |
| 2026-03-30 | TSENG, SARIA | EVP & General Counsel | Sale | 80 | $1,041.12 | $83289.60 |
| 2026-03-20 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Sale | 30 | $1,095.07 | $32852.10 |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 12,731 | $1,155.71 | $14.71M |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 4,992 | $1,159.84 | $5.79M |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 4,001 | $1,164.92 | $4.66M |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 3,640 | $1,205.82 | $4.39M |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 2,076 | $1,168.80 | $2.43M |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 1,440 | $1,200.81 | $1.73M |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 1,240 | $1,210.11 | $1.50M |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 600 | $1,194.34 | $716604.00 |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 480 | $1,180.79 | $566779.20 |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 200 | $1,173.39 | $234678.00 |
| 2026-02-12 | HSING, MICHAEL | Director, CEO | Sale | 160 | $1,188.23 | $190116.80 |
| 2026-02-11 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Sale | 200 | $1,179.98 | $235995.00 |
| 2026-02-11 | HSING, MICHAEL | Director, CEO | Sale | 14,578 | $1,197.20 | $17.45M |
| 2026-02-11 | HSING, MICHAEL | Director, CEO | Sale | 6,079 | $1,192.67 | $7.25M |
| 2026-02-11 | HSING, MICHAEL | Director, CEO | Sale | 2,799 | $1,177.67 | $3.30M |
| 2026-02-11 | HSING, MICHAEL | Director, CEO | Sale | 2,104 | $1,188.17 | $2.50M |
| 2026-02-11 | HSING, MICHAEL | Director, CEO | Sale | 1,987 | $1,172.92 | $2.33M |
| 2026-02-11 | HSING, MICHAEL | Director, CEO | Sale | 1,542 | $1,182.82 | $1.82M |
| 2026-02-11 | HSING, MICHAEL | Director, CEO | Sale | 1,533 | $1,167.62 | $1.79M |
| 2026-02-11 | HSING, MICHAEL | Director, CEO | Sale | 1,366 | $1,163.71 | $1.59M |
| 2026-02-11 | HSING, MICHAEL | Director, CEO | Sale | 649 | $1,202.28 | $780279.72 |
| 2026-02-11 | HSING, MICHAEL | Director, CEO | Sale | 363 | $1,158.71 | $420611.73 |
| 2026-02-10 | HSING, MICHAEL | Director, CEO | Sale | 16,080 | $1,141.88 | $18.36M |
| 2026-02-10 | HSING, MICHAEL | Director, CEO | Sale | 6,325 | $1,136.75 | $7.19M |
| 2026-02-10 | HSING, MICHAEL | Director, CEO | Sale | 4,302 | $1,132.01 | $4.87M |
| 2026-02-10 | HSING, MICHAEL | Director, CEO | Sale | 3,864 | $1,145.90 | $4.43M |
| 2026-02-10 | HSING, MICHAEL | Director, CEO | Sale | 1,215 | $1,151.11 | $1.40M |
| 2026-02-10 | HSING, MICHAEL | Director, CEO | Sale | 880 | $1,176.04 | $1.03M |
| 2026-02-10 | HSING, MICHAEL | Director, CEO | Sale | 694 | $1,154.96 | $801542.24 |
| 2026-02-10 | HSING, MICHAEL | Director, CEO | Sale | 360 | $1,161.41 | $418107.60 |
| 2026-02-10 | HSING, MICHAEL | Director, CEO | Sale | 280 | $1,197.26 | $335232.80 |
| 2026-02-09 | LEE, VICTOR K | Director | Sale | 400 | $1,212.16 | $484864.00 |
| 2026-02-06 | XIAO, DEMING | EVP, Global Operations | Sale | 22,875 | $1,171.16 | $26.79M |
| 2026-02-06 | TSENG, SARIA | EVP & General Counsel | Sale | 22,875 | $1,171.16 | $26.79M |
| 2026-02-06 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Sale | 22,875 | $1,171.16 | $26.79M |
| 2026-02-06 | HSING, MICHAEL | Director, CEO | Sale | 54,923 | $1,171.16 | $64.32M |
| 2026-02-06 | BLEGEN, THEODORE | EVP and CFO | Sale | 21,725 | $1,171.16 | $25.44M |
| 2026-02-03 | ZHOU, JEFF | Director | Buy | 189 | — | — |
| 2026-02-03 | XIAO, DEMING | EVP, Global Operations | Buy | 57,170 | — | — |
| 2026-02-03 | WYNNE, EILEEN | Director | Buy | 189 | — | — |
| 2026-02-03 | TSENG, SARIA | EVP & General Counsel | Buy | 57,170 | — | — |
| 2026-02-03 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Buy | 57,170 | — | — |
| 2026-02-03 | MARTINEZ, CARINTIA | Director | Buy | 189 | — | — |
| 2026-02-03 | LEE, VICTOR K | Director | Buy | 189 | — | — |
| 2026-02-03 | HSING, MICHAEL | Director, CEO | Buy | 136,825 | — | — |
| 2026-02-03 | ELMIGER, EUGEN J | Director | Buy | 189 | — | — |
| 2026-02-03 | CHANG, KUO WEI HERBERT | Director | Buy | 189 | — | — |
| 2026-02-03 | BLEGEN, THEODORE | EVP and CFO | Buy | 38,745 | — | — |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 379 | $1,133.47 | $429585.13 |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 322 | $1,132.67 | $364719.74 |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 320 | $1,130.48 | $361753.60 |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 241 | $1,134.41 | $273392.81 |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 240 | $1,128.43 | $270823.20 |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 220 | $1,110.58 | $244327.60 |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 200 | $1,126.58 | $225316.00 |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 198 | $1,131.70 | $224076.60 |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 120 | $1,136.35 | $136362.00 |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 80 | $1,127.39 | $90191.20 |
| 2026-02-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 40 | $1,122.56 | $44902.40 |
| 2026-01-02 | LEE, VICTOR K | Director | Sale | 600 | $930.86 | $558516.00 |
| 2026-01-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 650 | $944.35 | $613827.50 |
| 2026-01-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 539 | $943.71 | $508659.69 |
| 2026-01-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 460 | $938.52 | $431719.20 |
| 2026-01-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 406 | $941.60 | $382289.60 |
| 2026-01-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 194 | $930.86 | $180586.84 |
| 2026-01-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 120 | $936.50 | $112380.00 |
| 2026-01-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 117 | $939.75 | $109950.75 |
| 2026-01-02 | BLEGEN, THEODORE | EVP and CFO | Sale | 80 | $946.62 | $75729.60 |