MPWR Monolithic Power Systems
Nasdaq · SEC CIK 1280452 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $708.68M 57 sales by 11 insiders
- Filings on record
- 443 since 2021-07-06, latest 2026-09-02 17:26
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Hsing Michael | CEO, Dir | — | $314.44M |
| Tseng Saria | EVP, GC | — | $150.90M |
| Sciammas Maurice | EVP, WW Sales, Marketing | — | $101.39M |
| Xiao Deming | EVP, Gbl Ops | — | $76.43M |
| BLEGEN THEODORE | EVP, CFO | — | $40.19M |
| Elmiger Eugen J | Dir | — | $19.02M |
| Zhou Jeff | Dir | — | $3.25M |
| Lee Victor K | Dir | — | $2.00M |
| Wynne Eileen | Dir | — | $530.2K |
| CHANG KUO WEI HERBERT | Dir | — | $312.2K |
Transactions 480
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024-02-08 | 2024-02-06 | MPWR | Elmiger Eugen J | Dir | A - Grant | $0.00 | +348 | 20.9K | +2% | $0 | |
| 2024-02-08 | 2024-02-06 | MPWR | Zhou Jeff | Dir | A - Grant | $0.00 | +348 | 6,469 | +6% | $0 | |
| 2024-02-08 | 2024-02-06 | MPWR | Lee Victor K | Dir | A - Grant | $0.00 | +348 | 30.2K | +1% | $0 | |
| 2024-02-08 | 2024-02-06 | MPWR | Moyer James C | Dir | A - Grant | $0.00 | +348 | 348 | New | $0 | |
| 2024-02-08 | 2024-02-06 | MPWR | Wynne Eileen | Dir | A - Grant | $0.00 | +348 | 818 | +74% | $0 | |
| 2024-02-07 | 2024-02-05 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $641.00 | -867 | 83.9K | -1% | -$555.7K | |
| 2024-02-07 | 2024-02-05 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $641.00 | -982 | 142.6K | -0.7% | -$629.5K | |
| 2024-02-07 | 2024-02-05 | MPWR | Tseng Saria | GC, Executive VP | S - Sale | $641.00 | -982 | 205.2K | -0.5% | -$629.5K | |
| 2024-02-07 | 2024-02-05 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $641.00 | -982 | 209.4K | -0.5% | -$629.5K | |
| 2024-02-07 | 2024-02-05 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $641.00 | -3,791 | 918.0K | -0.4% | -$2.43M | |
| M | 2024-02-05 | 2024-02-01 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $603.26 | -2,500 | 86.4K | -3% | -$1.51M |
| M | 2024-02-05 | 2024-02-01 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $602.01 | -8,000 | 929.0K | -0.9% | -$4.82M |
| M | 2024-01-12 | 2024-01-12 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $582.11 | -11.0K | 146.7K | -7% | -$6.40M |
| M | 2024-01-11 | 2024-01-10 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $589.35 | -11.5K | 220.7K | -5% | -$6.79M |
| 2024-01-10 | 2024-01-09 | MPWR | Tseng Saria | GC, Executive VP | S - Sale | $600.00 | -1,390 | 206.2K | -0.7% | -$834.0K | |
| M | 2024-01-09 | 2024-01-05 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $572.28 | -8,000 | 935.0K | -0.8% | -$4.58M |
| 2024-01-08 | 2024-01-04 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $583.14 | -27.6K | 87.3K | -24% | -$16.10M | |
| 2024-01-08 | 2024-01-04 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $583.14 | -58.7K | 937.8K | -6% | -$34.20M | |
| 2024-01-08 | 2024-01-04 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $583.14 | -25.3K | 221.9K | -10% | -$14.76M | |
| 2024-01-08 | 2024-01-04 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $583.14 | -27.7K | 154.6K | -15% | -$16.13M | |
| 2024-01-08 | 2024-01-04 | MPWR | Tseng Saria | GC, Executive VP | S - Sale | $583.14 | -25.3K | 207.6K | -11% | -$14.76M | |
| M | 2024-01-03 | 2024-01-02 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $615.71 | -2,500 | 117.3K | -2% | -$1.54M |
| M | 2023-12-19 | 2023-12-18 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $631.36 | -2,500 | 119.3K | -2% | -$1.58M |
| 2023-12-14 | 2023-12-13 | MPWR | Tseng Saria | GC, Executive VP | S - Sale | $600.00 | -18.6K | 232.9K | -7% | -$11.17M | |
| MI | 2023-11-20 | 2023-11-16 | MPWR | Moyer James C | Dir | G - Gift | $0.00 | 0 | 41.3K | New | $0 |
| MI | 2023-11-20 | 2023-11-16 | MPWR | Moyer James C | Dir | S - Sale | $538.94 | -3,800 | 211 | -95% | -$2.05M |
| 2023-11-16 | 2023-11-14 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | G - Gift | $0.00 | -3,391 | 247.2K | -1% | $0 | |
| I | 2023-11-16 | 2023-11-14 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | G - Gift | $0.00 | +3,391 | 3,391 | New | $0 |
| 2023-11-15 | 2023-11-14 | MPWR | CHANG KUO WEI HERBERT | Dir | S - Sale | $523.64 | -400 | 1,293 | -24% | -$209.5K | |
| 2023-11-13 | 2023-11-13 | MPWR | CHANG KUO WEI HERBERT | Dir | S - Sale | $510.00 | -100 | 1,693 | -6% | -$51.0K | |
| 2023-11-09 | 2023-11-08 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $490.39 | -859 | 182.2K | -0.5% | -$421.2K | |
| 2023-11-09 | 2023-11-08 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $490.39 | -712 | 119.9K | -0.6% | -$349.2K | |
| 2023-11-09 | 2023-11-08 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $490.39 | -859 | 250.6K | -0.3% | -$421.2K | |
| 2023-11-09 | 2023-11-08 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $490.39 | -2,790 | 996.4K | -0.3% | -$1.37M | |
| 2023-11-09 | 2023-11-08 | MPWR | Tseng Saria | VP, GC | S - Sale | $490.39 | -859 | 251.5K | -0.3% | -$421.2K | |
| 2023-11-07 | 2023-11-06 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $492.92 | -847 | 120.6K | -0.7% | -$417.5K | |
| 2023-11-07 | 2023-11-06 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $492.92 | -3,790 | 999.2K | -0.4% | -$1.87M | |
| 2023-11-07 | 2023-11-06 | MPWR | Tseng Saria | VP, GC | S - Sale | $492.92 | -982 | 252.4K | -0.4% | -$484.0K | |
| 2023-11-07 | 2023-11-06 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $492.92 | -982 | 251.5K | -0.4% | -$484.0K | |
| 2023-11-07 | 2023-11-06 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $492.92 | -982 | 183.1K | -0.5% | -$484.0K | |
| 2023-10-04 | 2023-10-02 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $458.30 | -11.0K | 1.00M | -1% | -$5.02M | |
| 2023-10-04 | 2023-10-02 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $458.30 | -905 | 121.4K | -0.7% | -$414.8K | |
| 2023-10-04 | 2023-10-02 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $458.30 | -4,305 | 252.5K | -2% | -$1.97M | |
| 2023-10-04 | 2023-10-02 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $458.30 | -4,305 | 184.1K | -2% | -$1.97M | |
| 2023-10-04 | 2023-10-02 | MPWR | Tseng Saria | VP, GC | S - Sale | $458.30 | -4,305 | 253.3K | -2% | -$1.97M | |
| 2023-08-29 | 2023-08-29 | MPWR | CHANG KUO WEI HERBERT | Dir | S - Sale | $500.00 | -500 | 1,793 | -22% | -$250.0K | |
| 2023-08-10 | 2023-08-08 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $530.26 | -874 | 256.8K | -0.3% | -$463.4K | |
| 2023-08-10 | 2023-08-08 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $530.26 | -2,836 | 1.01M | -0.3% | -$1.50M | |
| 2023-08-10 | 2023-08-08 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $530.26 | -874 | 188.3K | -0.5% | -$463.4K | |
| 2023-08-10 | 2023-08-08 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $530.28 | -724 | 122.3K | -0.6% | -$383.9K | |
| 2023-08-10 | 2023-08-08 | MPWR | Tseng Saria | VP, GC | S - Sale | $530.27 | -874 | 257.6K | -0.3% | -$463.5K | |
| 2023-08-07 | 2023-08-04 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $526.52 | -988 | 189.2K | -0.5% | -$520.2K | |
| 2023-08-07 | 2023-08-04 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $526.52 | -852 | 123.1K | -0.7% | -$448.6K | |
| 2023-08-07 | 2023-08-04 | MPWR | Tseng Saria | VP, GC | S - Sale | $526.52 | -988 | 258.5K | -0.4% | -$520.2K | |
| 2023-08-07 | 2023-08-04 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $526.53 | -988 | 257.6K | -0.4% | -$520.2K | |
| 2023-08-07 | 2023-08-04 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $526.54 | -3,815 | 1.02M | -0.4% | -$2.01M | |
| 2023-07-25 | 2023-07-21 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $534.23 | -9,615 | 258.6K | -4% | -$5.14M | |
| 2023-07-25 | 2023-07-21 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $534.23 | -28.8K | 1.02M | -3% | -$15.41M | |
| 2023-07-25 | 2023-07-21 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $534.23 | -7,575 | 123.9K | -6% | -$4.05M | |
| 2023-07-25 | 2023-07-21 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $534.23 | -9,843 | 190.2K | -5% | -$5.26M | |
| 2023-07-25 | 2023-07-21 | MPWR | Tseng Saria | VP, GC | S - Sale | $534.23 | -9,615 | 259.5K | -4% | -$5.14M | |
| 2023-07-05 | 2023-07-03 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $537.79 | -905 | 131.5K | -0.7% | -$486.7K | |
| 2023-07-05 | 2023-07-03 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $537.79 | -4,305 | 268.2K | -2% | -$2.32M | |
| 2023-07-05 | 2023-07-03 | MPWR | Tseng Saria | VP, GC | S - Sale | $537.79 | -4,305 | 269.1K | -2% | -$2.32M | |
| 2023-07-05 | 2023-07-03 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $537.79 | -11.0K | 1.05M | -1% | -$5.89M | |
| 2023-07-05 | 2023-07-03 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $537.79 | -4,305 | 200.0K | -2% | -$2.32M | |
| 2023-05-10 | 2023-05-09 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $409.78 | -711 | 132.4K | -0.5% | -$291.4K | |
| 2023-05-10 | 2023-05-09 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $409.78 | -2,785 | 1.06M | -0.3% | -$1.14M | |
| 2023-05-10 | 2023-05-09 | MPWR | Tseng Saria | VP, GC | S - Sale | $409.81 | -857 | 273.4K | -0.3% | -$351.2K | |
| 2023-05-10 | 2023-05-09 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $409.78 | -857 | 204.3K | -0.4% | -$351.2K | |
| 2023-05-10 | 2023-05-09 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $409.79 | -857 | 272.6K | -0.3% | -$351.2K | |
| 2023-05-05 | 2023-05-04 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $459.60 | -3,825 | 1.06M | -0.4% | -$1.76M | |
| 2023-05-05 | 2023-05-04 | MPWR | Tseng Saria | VP, GC | S - Sale | $459.60 | -991 | 274.3K | -0.4% | -$455.5K | |
| 2023-05-05 | 2023-05-04 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $459.60 | -854 | 133.1K | -0.6% | -$392.5K | |
| 2023-05-05 | 2023-05-04 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $459.60 | -991 | 205.2K | -0.5% | -$455.5K | |
| 2023-05-05 | 2023-05-04 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $459.60 | -991 | 273.4K | -0.4% | -$455.5K | |
| 2023-05-04 | 2023-05-02 | MPWR | Hsing Michael | CEO, Dir | A - Grant | $0.00 | +28.2K | 1.08M | +3% | $0 | |
| 2023-05-04 | 2023-05-03 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $463.55 | -11.2K | 1.07M | -1% | -$5.21M | |
| 2023-05-04 | 2023-05-03 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $463.55 | -3,462 | 206.2K | -2% | -$1.60M | |
| 2023-05-04 | 2023-05-02 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | A - Grant | $0.00 | +8,685 | 209.7K | +4% | $0 | |
| 2023-05-04 | 2023-05-03 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $463.55 | -2,870 | 134.0K | -2% | -$1.33M | |
| 2023-05-04 | 2023-05-02 | MPWR | BLEGEN THEODORE | CFO | A - Grant | $0.00 | +5,714 | 136.8K | +4% | $0 | |
| 2023-05-04 | 2023-05-02 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | A - Grant | $0.00 | +8,685 | 277.9K | +3% | $0 | |
| 2023-05-04 | 2023-05-03 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $463.55 | -3,462 | 274.4K | -1% | -$1.60M | |
| 2023-05-04 | 2023-05-03 | MPWR | Tseng Saria | VP, GC | S - Sale | $463.55 | -3,462 | 275.3K | -1% | -$1.60M | |
| 2023-05-04 | 2023-05-02 | MPWR | Tseng Saria | VP, GC | A - Grant | $0.00 | +8,685 | 278.7K | +3% | $0 | |
| 2023-04-06 | 2023-04-03 | MPWR | Tseng Saria | VP, GC | S - Sale | $487.99 | -4,360 | 270.0K | -2% | -$2.13M | |
| 2023-04-06 | 2023-04-03 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $487.99 | -4,360 | 269.2K | -2% | -$2.13M | |
| 2023-04-06 | 2023-04-03 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $487.99 | -920 | 131.1K | -0.7% | -$449.0K | |
| 2023-04-06 | 2023-04-03 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $487.99 | -4,360 | 201.0K | -2% | -$2.13M | |
| 2023-04-06 | 2023-04-03 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $487.99 | -11.1K | 1.05M | -1% | -$5.42M | |
| M | 2023-02-21 | 2023-02-16 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $521.13 | -5,000 | 132.0K | -4% | -$2.61M |
| M | 2023-02-17 | 2023-02-15 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $519.54 | -13.0K | 212.4K | -6% | -$6.75M |
| 2023-02-17 | 2023-02-15 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $530.00 | -1,497 | 273.5K | -0.5% | -$793.4K | |
| 2023-02-13 | 2023-02-13 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $492.31 | -1,639 | 218.3K | -0.7% | -$806.9K | |
| 2023-02-13 | 2023-02-13 | MPWR | Tseng Saria | VP, GC | S - Sale | $492.31 | -1,639 | 274.4K | -0.6% | -$806.9K | |
| 2023-02-13 | 2023-02-13 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $492.31 | -1,373 | 137.0K | -1.0% | -$675.9K | |
| 2023-02-13 | 2023-02-13 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $492.31 | -6,333 | 1.06M | -0.6% | -$3.12M | |
| 2023-02-13 | 2023-02-13 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $492.31 | -1,639 | 275.0K | -0.6% | -$806.9K | |
| 2023-02-10 | 2023-02-08 | MPWR | Tseng Saria | VP, GC | S - Sale | $462.41 | -6,922 | 276.0K | -2% | -$3.20M |
Purchase Sale Sale after option exercise All abbreviations