MPWR Insider Transactions
6,131 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
MPWR insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| DEAN ROBERT W II | Interim CFO | 2026-08-24 | Sale | 32 | $1,297.72 |
| CHANG KUO WEI HERBERT | Director | 2026-08-24 | Sale | 50 | $1,281.57 |
| DEAN ROBERT W II | Interim CFO | 2026-08-17 | Sale | 6 | $1,413.64 |
| CHANG KUO WEI HERBERT | Director | 2026-08-11 | Sale | 50 | $1,420 |
| DEAN ROBERT W II | Interim CFO | 2026-08-05 | Sale | 105 | $1,344.27 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-08-03 | Sale | 30 | $1,343.94 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 5,640 | $1,352.95 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 1,506 | $1,348.91 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 1,864 | $1,344.16 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 1,460 | $1,339.59 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 776 | $1,334.59 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 464 | $1,329.30 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 409 | $1,323.93 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 274 | $1,318.42 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 110 | $1,405.71 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 117 | $1,400.45 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 213 | $1,396.16 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 50 | $1,388.19 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 410 | $1,384.11 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 418 | $1,378.73 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 472 | $1,375.47 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 240 | $1,369.18 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 50 | $1,359.36 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-15 | Sale | 527 | $1,314.03 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-07-01 | Sale | 30 | $1,351.61 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-06-01 | Sale | 30.0 | $1,533.95 |
| Tseng Saria | EVP & General Counsel | 2026-05-27 | Sale | 7,565.0 | $1,700.0 |
| DEAN ROBERT W II | Interim CFO | 2026-05-26 | Sale | 22.0 | $1,649.56 |
| Zhou Jeff | Director | 2026-05-26 | Sale | 486.0 | $1,680.0 |
| Tseng Saria | EVP & General Counsel | 2026-05-22 | Sale | 5,000.0 | $1,586.43 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 130.0 | $1,521.43 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 352.0 | $1,518.15 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 551.0 | $1,513.11 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 3,769.0 | $1,507.7 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 2,929.0 | $1,503.05 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 608.0 | $1,499.46 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 862.0 | $1,491.48 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 6,688.0 | $1,486.76 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 5,737.0 | $1,482.51 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 4,082.0 | $1,476.96 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 5,049.0 | $1,472.84 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 5,819.0 | $1,467.62 |
| Hsing Michael | CEO | 2026-05-18 | Sale | 3,424.0 | $1,462.61 |
| DEAN ROBERT W II | Interim CFO | 2026-05-18 | Sale | 4.0 | $1,563.28 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-05-15 | Sale | 50.0 | $1,585.51 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-05-15 | Sale | 447.0 | $1,582.21 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-05-15 | Sale | 703.0 | $1,577.75 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-05-15 | Sale | 1,312.0 | $1,571.49 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-05-15 | Sale | 2,020.0 | $1,567.15 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-05-15 | Sale | 2,010.0 | $1,562.01 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-05-15 | Sale | 1,717.0 | $1,557.48 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-05-15 | Sale | 3,741.0 | $1,550.36 |
| Elmiger Eugen J | Director | 2026-05-06 | Sale | 514.0 | $1,600.14 |
| Elmiger Eugen J | Director | 2026-05-06 | Sale | 2,619.0 | $1,596.42 |
| Elmiger Eugen J | Director | 2026-05-06 | Sale | 1,355.0 | $1,591.38 |
| Elmiger Eugen J | Director | 2026-05-06 | Sale | 2,587.0 | $1,586.81 |
| Elmiger Eugen J | Director | 2026-05-06 | Sale | 1,879.0 | $1,581.81 |
| Elmiger Eugen J | Director | 2026-05-06 | Sale | 834.0 | $1,575.57 |
| Elmiger Eugen J | Director | 2026-05-06 | Sale | 1,078.0 | $1,571.58 |
| Elmiger Eugen J | Director | 2026-05-06 | Sale | 814.0 | $1,566.36 |
| Elmiger Eugen J | Director | 2026-05-06 | Sale | 320.0 | $1,559.88 |
| Xiao Deming | EVP, Global Operations | 2026-05-06 | Sale | 907.0 | $1,661.38 |
| Xiao Deming | EVP, Global Operations | 2026-05-06 | Sale | 11,597.0 | $1,657.93 |
| Xiao Deming | EVP, Global Operations | 2026-05-06 | Sale | 14,167.0 | $1,652.8 |
| Xiao Deming | EVP, Global Operations | 2026-05-06 | Sale | 3,329.0 | $1,648.38 |
| Wynne Eileen | Director | 2026-05-06 | Sale | 335.0 | $1,582.68 |
| Zhou Jeff | Director | 2026-05-06 | Sale | 500.0 | $1,650.0 |
| Zhou Jeff | Director | 2026-05-05 | Sale | 500.0 | $1,600.0 |
| Zhou Jeff | Director | 2026-05-05 | Sale | 514.0 | $1,574.48 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-05-05 | Sale | 380.0 | $1,583.81 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-05-04 | Sale | 30.0 | $1,588.73 |
| Tseng Saria | EVP & General Counsel | 2026-04-08 | Sale | 120.0 | $1,321.94 |
| Tseng Saria | EVP & General Counsel | 2026-04-08 | Sale | 840.0 | $1,319.25 |
| Tseng Saria | EVP & General Counsel | 2026-04-08 | Sale | 4,244.0 | $1,312.82 |
| Tseng Saria | EVP & General Counsel | 2026-04-08 | Sale | 1,279.0 | $1,308.3 |
| Tseng Saria | EVP & General Counsel | 2026-04-08 | Sale | 800.0 | $1,302.52 |
| Tseng Saria | EVP & General Counsel | 2026-04-08 | Sale | 400.0 | $1,292.08 |
| Tseng Saria | EVP & General Counsel | 2026-04-08 | Sale | 120.0 | $1,287.12 |
| Tseng Saria | EVP & General Counsel | 2026-04-08 | Sale | 240.0 | $1,279.55 |
| Tseng Saria | EVP & General Counsel | 2026-04-08 | Sale | 360.0 | $1,270.29 |
| Tseng Saria | EVP & General Counsel | 2026-04-08 | Sale | 560.0 | $1,266.48 |
| Tseng Saria | EVP & General Counsel | 2026-04-06 | Sale | 1,396.0 | $1,179.5 |
| Tseng Saria | EVP & General Counsel | 2026-04-06 | Sale | 1,680.0 | $1,176.35 |
| Tseng Saria | EVP & General Counsel | 2026-04-06 | Sale | 2,036.0 | $1,170.38 |
| Tseng Saria | EVP & General Counsel | 2026-04-06 | Sale | 684.0 | $1,165.66 |
| Tseng Saria | EVP & General Counsel | 2026-04-06 | Sale | 560.0 | $1,159.62 |
| Tseng Saria | EVP & General Counsel | 2026-04-06 | Sale | 480.0 | $1,149.05 |
| Tseng Saria | EVP & General Counsel | 2026-04-06 | Sale | 556.0 | $1,144.42 |
| Tseng Saria | EVP & General Counsel | 2026-04-06 | Sale | 244.0 | $1,139.96 |
| Tseng Saria | EVP & General Counsel | 2026-04-01 | Sale | 292.0 | $1,136.99 |
| Tseng Saria | EVP & General Counsel | 2026-04-01 | Sale | 188.0 | $1,135.91 |
| Tseng Saria | EVP & General Counsel | 2026-04-01 | Sale | 160.0 | $1,134.14 |
| Tseng Saria | EVP & General Counsel | 2026-04-01 | Sale | 184.0 | $1,132.15 |
| Tseng Saria | EVP & General Counsel | 2026-04-01 | Sale | 576.0 | $1,131.24 |
| Sciammas Maurice | EVP, WW Sales & Marketing | 2026-04-01 | Sale | 30.0 | $1,116.44 |
| Tseng Saria | EVP & General Counsel | 2026-03-30 | Sale | 80.0 | $1,041.12 |
| Tseng Saria | EVP & General Counsel | 2026-03-30 | Sale | 166.0 | $1,035.6 |
| Tseng Saria | EVP & General Counsel | 2026-03-30 | Sale | 2,440.0 | $1,029.21 |
| Tseng Saria | EVP & General Counsel | 2026-03-30 | Sale | 2,200.0 | $1,023.0 |
| Tseng Saria | EVP & General Counsel | 2026-03-30 | Sale | 3,194.0 | $1,017.22 |