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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022-02-09 | 2022-02-08 | MPWR | Elmiger Eugen J | Dir | A - Grant | $0.00 | +542 | 20.1K | +3% | $0 | |
| 2022-02-09 | 2022-02-08 | MPWR | Zhou Jeff | Dir | A - Grant | $0.00 | +542 | 6,051 | +10% | $0 | |
| 2022-02-09 | 2022-02-08 | MPWR | Martinez Carintia | Dir | A - Grant | $0.00 | +542 | 1,125 | +93% | $0 | |
| M | 2022-02-09 | 2022-02-07+ | MPWR | Hsing Michael | CEO, Dir | S - Sale | $399.66 | -37.3K | 1.07M | -3% | -$14.91M |
| M | 2022-02-09 | 2022-02-07+ | MPWR | BLEGEN THEODORE | CFO | S - Sale | $399.56 | -7,453 | 136.0K | -5% | -$2.98M |
| M | 2022-02-09 | 2022-02-07+ | MPWR | Tseng Saria | VP, GC | S - Sale | $399.62 | -9,093 | 277.2K | -3% | -$3.63M |
| M | 2022-02-09 | 2022-02-07+ | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $399.60 | -9,844 | 275.3K | -3% | -$3.93M |
| M | 2022-02-09 | 2022-02-07+ | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $399.62 | -9,093 | 301.1K | -3% | -$3.63M |
| 2022-02-04 | 2022-02-03 | MPWR | BLEGEN THEODORE | CFO | A - Grant | $0.00 | +27.2K | 143.5K | +23% | $0 | |
| 2022-02-04 | 2022-02-03 | MPWR | Tseng Saria | VP, GC | A - Grant | $0.00 | +39.7K | 286.3K | +16% | $0 | |
| 2022-02-04 | 2022-02-03 | MPWR | Hsing Michael | CEO, Dir | A - Grant | $0.00 | +153.3K | 1.10M | +16% | $0 | |
| 2022-02-04 | 2022-02-03 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | A - Grant | $0.00 | +39.7K | 310.2K | +15% | $0 | |
| 2022-02-04 | 2022-02-03 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | A - Grant | $0.00 | +39.7K | 285.1K | +16% | $0 | |
| M | 2022-01-24 | 2022-01-20 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $414.45 | -1,897 | 117.5K | -2% | -$786.2K |
| 2022-01-05 | 2022-01-03 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $490.87 | -4,305 | 270.5K | -2% | -$2.11M | |
| 2022-01-05 | 2022-01-03 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $490.87 | -905 | 118.2K | -0.8% | -$444.2K | |
| 2022-01-05 | 2022-01-03 | MPWR | Tseng Saria | VP, GC | S - Sale | $490.87 | -4,305 | 246.6K | -2% | -$2.11M | |
| 2022-01-05 | 2022-01-03 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $490.87 | -4,305 | 245.4K | -2% | -$2.11M | |
| 2022-01-05 | 2022-01-03 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $490.87 | -11.0K | 950.3K | -1% | -$5.38M | |
| 2021-12-20 | 2021-12-20 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $474.35 | -1,897 | 119.1K | -2% | -$899.8K | |
| 2021-12-02 | 2021-11-30 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $560.00 | -4,366 | 274.8K | -2% | -$2.44M | |
| 2021-11-23 | 2021-11-22 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $580.00 | -427 | 279.2K | -0.2% | -$247.7K | |
| M | 2021-11-23 | 2021-11-22 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $567.54 | -1,897 | 121.1K | -2% | -$1.08M |
| I | 2021-11-18 | 2021-11-12 | MPWR | Moyer James C | Dir | S - Sale | $555.31 | -2,000 | 64.8K | -3% | -$1.11M |
| 2021-11-16 | 2021-11-12 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $553.42 | -1,364 | 122.9K | -1% | -$754.9K | |
| 2021-11-16 | 2021-11-12 | MPWR | Tseng Saria | VP, GC | S - Sale | $553.42 | -1,625 | 250.9K | -0.6% | -$899.3K | |
| 2021-11-16 | 2021-11-12 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $553.42 | -1,625 | 279.6K | -0.6% | -$899.3K | |
| 2021-11-16 | 2021-11-12 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $553.42 | -6,273 | 961.3K | -0.6% | -$3.47M | |
| MI | 2021-11-16 | 2021-11-15 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | G - Gift | $0.00 | +22.6K | 11.3K | New | $0 |
| 2021-11-16 | 2021-11-15 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | G - Gift | $0.00 | -22.6K | 249.7K | -8% | $0 | |
| 2021-11-16 | 2021-11-12 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $553.42 | -1,625 | 272.3K | -0.6% | -$899.3K | |
| 2021-11-10 | 2021-11-08 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $548.27 | -2,022 | 281.3K | -0.7% | -$1.11M | |
| 2021-11-10 | 2021-11-08 | MPWR | Tseng Saria | VP, GC | D - Sale to Iss | $548.27 | -2,022 | 257.4K | -0.8% | -$1.11M | |
| 2021-11-10 | 2021-11-08 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $548.27 | -1,460 | 127.1K | -1% | -$800.5K | |
| 2021-11-10 | 2021-11-08 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $548.27 | -2,022 | 278.8K | -0.7% | -$1.11M | |
| 2021-11-10 | 2021-11-08 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $548.27 | -7,813 | 987.2K | -0.8% | -$4.28M | |
| 2021-10-20 | 2021-10-20 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $496.59 | -1,897 | 125.7K | -1% | -$942.0K | |
| 2021-10-05 | 2021-10-01 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $476.16 | -4,330 | 276.0K | -2% | -$2.06M | |
| 2021-10-05 | 2021-10-01 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $476.16 | -11.0K | 975.4K | -1% | -$5.25M | |
| 2021-10-05 | 2021-10-01 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $476.16 | -910 | 127.6K | -0.7% | -$433.3K | |
| 2021-10-05 | 2021-10-01 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | D - Sale to Iss | $476.16 | -4,330 | 283.3K | -2% | -$2.06M | |
| 2021-10-05 | 2021-10-01 | MPWR | Tseng Saria | VP, GC | S - Sale | $476.16 | -4,330 | 254.6K | -2% | -$2.06M | |
| M | 2021-09-21 | 2021-09-20 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $482.99 | -1,897 | 129.9K | -1% | -$916.2K |
| 2021-08-30 | 2021-08-30 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $500.00 | -4,886 | 287.6K | -2% | -$2.44M | |
| 2021-08-26 | 2021-08-24 | MPWR | Zhou Jeff | Dir | S - Sale | $490.00 | -300 | 5,509 | -5% | -$147.0K | |
| 2021-08-26 | 2021-08-26 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $489.00 | -6,495 | 292.5K | -2% | -$3.18M | |
| 2021-08-23 | 2021-08-20 | MPWR | Zhou Jeff | Dir | S - Sale | $477.00 | -300 | 5,809 | -5% | -$143.1K | |
| 2021-08-23 | 2021-08-20 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $469.24 | -1,897 | 130.4K | -1% | -$890.1K | |
| 2021-08-23 | 2021-08-19 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $462.00 | -4,739 | 299.0K | -2% | -$2.19M | |
| 2021-08-23 | 2021-08-16 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | J - Other | $323.24 | +29 | 303.7K | +0.0% | +$9,374 | |
| 2021-08-16 | 2021-08-12 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $457.10 | -1,651 | 303.7K | -0.5% | -$754.7K | |
| 2021-08-16 | 2021-08-12 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $457.10 | -1,379 | 132.3K | -1% | -$630.3K | |
| 2021-08-16 | 2021-08-12 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $457.10 | -1,651 | 280.3K | -0.6% | -$754.7K | |
| 2021-08-16 | 2021-08-12 | MPWR | Tseng Saria | VP, GC | S - Sale | $457.10 | -1,651 | 258.9K | -0.6% | -$754.7K | |
| 2021-08-16 | 2021-08-12 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $457.10 | -6,373 | 986.4K | -0.6% | -$2.91M | |
| 2021-08-11 | 2021-08-09 | MPWR | Tseng Saria | VP, GC | S - Sale | $459.12 | -2,053 | 260.5K | -0.8% | -$942.6K | |
| MI | 2021-08-11 | 2021-07-30 | MPWR | BLEGEN THEODORE | CFO | G - Gift | $0.00 | +10.7K | 5,331 | New | $0 |
| 2021-08-11 | 2021-07-30 | MPWR | BLEGEN THEODORE | CFO | G - Gift | $0.00 | -10.7K | 135.2K | -7% | $0 | |
| 2021-08-11 | 2021-08-09 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $459.12 | -1,474 | 133.7K | -1% | -$676.7K | |
| 2021-08-11 | 2021-08-09 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $459.12 | -2,053 | 305.3K | -0.7% | -$942.6K | |
| 2021-08-11 | 2021-08-09 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $459.12 | -2,053 | 282.0K | -0.7% | -$942.6K | |
| 2021-08-11 | 2021-08-09 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $459.12 | -7,926 | 992.8K | -0.8% | -$3.64M | |
| MI | 2021-08-10 | 2021-08-06 | MPWR | Moyer James C | Dir | S - Sale | $460.87 | -7,000 | 68.8K | -9% | -$3.23M |
| 2021-08-05 | 2021-08-04 | MPWR | Zhou Jeff | Dir | S - Sale | $465.22 | -400 | 6,109 | -6% | -$186.1K | |
| M | 2021-08-04 | 2021-08-02 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $455.09 | -6,495 | 308.8K | -2% | -$2.96M |
| 2021-07-26 | 2021-07-23 | MPWR | Zhou Jeff | Dir | S - Sale | $410.00 | -500 | 6,509 | -7% | -$205.0K | |
| 2021-07-21 | 2021-07-20 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $382.77 | -1,897 | 145.9K | -1% | -$726.1K | |
| M | 2021-07-21 | 2021-07-21 | MPWR | Zhou Jeff | Dir | S - Sale | $402.51 | -1,000 | 7,509 | -12% | -$402.5K |
| M | 2021-07-16 | 2021-07-14 | MPWR | Zhou Jeff | Dir | S - Sale | $392.66 | -1,000 | 8,009 | -11% | -$392.7K |
| M | 2021-07-16 | 2021-07-16 | MPWR | Moyer James C | Dir | S - Sale | $381.41 | -12.0K | 235.8K | -5% | -$4.58M |
| 2021-07-08 | 2021-07-07 | MPWR | Zhou Jeff | Dir | S - Sale | $387.27 | -500 | 9,009 | -5% | -$193.6K | |
| 2021-07-06 | 2021-07-06 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $380.00 | -7,734 | 309.0K | -2% | -$2.94M | |
| 2021-07-06 | 2021-07-06 | MPWR | Zhou Jeff | Dir | S - Sale | $380.00 | -500 | 9,509 | -5% | -$190.0K | |
| 2021-07-06 | 2021-07-01 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $370.45 | -11.0K | 1.00M | -1% | -$4.06M | |
| 2021-07-06 | 2021-07-01 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $370.45 | -905 | 147.8K | -0.6% | -$335.3K | |
| 2021-07-06 | 2021-07-01 | MPWR | Tseng Saria | VP, GC | S - Sale | $370.45 | -4,305 | 262.6K | -2% | -$1.59M | |
| 2021-07-06 | 2021-07-01 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $370.45 | -4,305 | 316.8K | -1% | -$1.59M | |
| M | 2021-07-06 | 2021-05-14+ | MPWR | Sciammas Maurice | SVPof Sales, Marketing | G - Gift | $0.00 | -18.0K | 297.3K | -6% | $0 |
| MI | 2021-07-06 | 2021-05-14+ | MPWR | Sciammas Maurice | SVPof Sales, Marketing | G - Gift | $0.00 | +18.0K | 2,000 | New | $0 |
| 2021-07-06 | 2021-07-01 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $370.45 | -4,305 | 284.0K | -1% | -$1.59M |
Purchase Sale Sale after option exercise All abbreviations