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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023-02-10 | 2023-02-09 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $520.00 | -2,129 | 276.6K | -0.8% | -$1.11M | |
| 2023-02-10 | 2023-02-08 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $462.41 | -6,922 | 220.0K | -3% | -$3.20M | |
| 2023-02-10 | 2023-02-08 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $462.41 | -5,684 | 138.4K | -4% | -$2.63M | |
| 2023-02-10 | 2023-02-08 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $462.41 | -22.5K | 1.07M | -2% | -$10.40M | |
| 2023-02-10 | 2023-02-08 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $462.41 | -6,922 | 278.8K | -2% | -$3.20M | |
| 2023-02-09 | 2023-02-07 | MPWR | Wynne Eileen | Dir | A - Grant | $0.00 | +470 | 470 | New | $0 | |
| 2023-02-08 | 2023-02-07 | MPWR | Elmiger Eugen J | Dir | A - Grant | $0.00 | +470 | 20.5K | +2% | $0 | |
| 2023-02-08 | 2023-02-06 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $446.87 | -723 | 192.1K | -0.4% | -$323.1K | |
| 2023-02-08 | 2023-02-07 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | A - Grant | $0.00 | +34.7K | 226.9K | +18% | $0 | |
| 2023-02-08 | 2023-02-07 | MPWR | Zhou Jeff | Dir | A - Grant | $0.00 | +470 | 6,121 | +8% | $0 | |
| 2023-02-08 | 2023-02-07 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | A - Grant | $0.00 | +34.7K | 285.7K | +14% | $0 | |
| 2023-02-08 | 2023-02-06 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $446.88 | -723 | 251.0K | -0.3% | -$323.1K | |
| 2023-02-08 | 2023-02-07 | MPWR | Moyer James C | Dir | A - Grant | $0.00 | +470 | 2,593 | +22% | $0 | |
| 2023-02-08 | 2023-02-07 | MPWR | Lee Victor K | Dir | A - Grant | $0.00 | +470 | 29.9K | +2% | $0 | |
| 2023-02-08 | 2023-02-07 | MPWR | CHANG KUO WEI HERBERT | Dir | A - Grant | $0.00 | +470 | 2,293 | +26% | $0 | |
| 2023-02-08 | 2023-02-07 | MPWR | Martinez Carintia | Dir | A - Grant | $0.00 | +470 | 1,595 | +42% | $0 | |
| 2023-02-08 | 2023-02-07 | MPWR | Hsing Michael | CEO, Dir | A - Grant | $0.00 | +112.8K | 1.09M | +12% | $0 | |
| 2023-02-08 | 2023-02-06 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $446.88 | -3,691 | 977.1K | -0.4% | -$1.65M | |
| 2023-02-08 | 2023-02-06 | MPWR | Tseng Saria | VP, GC | S - Sale | $446.88 | -723 | 248.2K | -0.3% | -$323.1K | |
| 2023-02-08 | 2023-02-07 | MPWR | Tseng Saria | VP, GC | A - Grant | $0.00 | +34.7K | 282.9K | +14% | $0 | |
| 2023-02-08 | 2023-02-06 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $446.87 | -608 | 121.2K | -0.5% | -$271.7K | |
| 2023-02-08 | 2023-02-07 | MPWR | BLEGEN THEODORE | CFO | A - Grant | $0.00 | +22.9K | 144.1K | +19% | $0 | |
| 2023-01-25 | 2023-01-24 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $430.00 | -10.2K | 251.7K | -4% | -$4.40M | |
| 2023-01-17 | 2023-01-12 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $400.00 | -2,980 | 261.9K | -1% | -$1.19M | |
| MI | 2023-01-05 | 2022-12-15 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | G - Gift | $0.00 | 0 | 19.5K | New | $0 |
| 2023-01-05 | 2023-01-03 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $344.96 | -5,528 | 192.9K | -3% | -$1.91M | |
| 2023-01-05 | 2023-01-03 | MPWR | Tseng Saria | VP, GC | S - Sale | $344.96 | -5,528 | 248.9K | -2% | -$1.91M | |
| 2023-01-05 | 2023-01-03 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $344.96 | -1,884 | 121.8K | -2% | -$649.9K | |
| 2023-01-05 | 2023-01-03 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $344.96 | -14.9K | 980.8K | -1% | -$5.14M | |
| 2023-01-05 | 2023-01-03 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $344.96 | -5,528 | 264.9K | -2% | -$1.91M | |
| MI | 2022-12-12 | 2022-12-12 | MPWR | Moyer James C | Dir | S - Sale | $386.53 | -40.0K | 50.7K | -44% | -$15.46M |
| 2022-11-25 | 2022-11-22 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $369.27 | -5,200 | 198.4K | -3% | -$1.92M | |
| M | 2022-11-16 | 2022-11-14+ | MPWR | Tseng Saria | VP, GC | S - Sale | $392.70 | -1,664 | 254.7K | -0.6% | -$653.5K |
| M | 2022-11-16 | 2022-11-14+ | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $401.92 | -3,762 | 270.4K | -1% | -$1.51M |
| M | 2022-11-16 | 2022-11-14+ | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $392.88 | -1,664 | 203.9K | -0.8% | -$653.7K |
| M | 2022-11-16 | 2022-11-14+ | MPWR | BLEGEN THEODORE | CFO | S - Sale | $392.53 | -1,387 | 123.9K | -1% | -$544.4K |
| M | 2022-11-16 | 2022-11-14+ | MPWR | Hsing Michael | CEO, Dir | S - Sale | $392.87 | -6,421 | 995.7K | -0.6% | -$2.52M |
| 2022-11-09 | 2022-11-07 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $355.74 | -4,000 | 205.2K | -2% | -$1.42M | |
| 2022-11-07 | 2022-11-04 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $343.98 | -3,790 | 1.00M | -0.4% | -$1.30M | |
| 2022-11-07 | 2022-11-04 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $343.98 | -982 | 209.2K | -0.5% | -$337.8K | |
| 2022-11-07 | 2022-11-04 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $343.98 | -847 | 125.1K | -0.7% | -$291.4K | |
| 2022-11-07 | 2022-11-04 | MPWR | Tseng Saria | VP, GC | S - Sale | $343.98 | -982 | 256.1K | -0.4% | -$337.8K | |
| 2022-11-07 | 2022-11-04 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $343.98 | -982 | 274.2K | -0.4% | -$337.8K | |
| 2022-10-04 | 2022-08-15 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | J - Other | $414.43 | +20 | 279.5K | +0.0% | +$8,289 | |
| 2022-10-04 | 2022-10-03 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $372.60 | -4,305 | 275.2K | -2% | -$1.60M | |
| 2022-10-04 | 2022-08-15 | MPWR | Tseng Saria | VP, GC | J - Other | $414.43 | +16 | 261.4K | +0.0% | +$6,631 | |
| 2022-10-04 | 2022-10-03 | MPWR | Tseng Saria | VP, GC | S - Sale | $372.60 | -4,305 | 257.1K | -2% | -$1.60M | |
| 2022-10-04 | 2022-08-15 | MPWR | Hsing Michael | CEO, Dir | J - Other | $414.43 | +19 | 1.02M | +0.0% | +$7,874 | |
| 2022-10-04 | 2022-10-03 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $372.60 | -11.0K | 1.01M | -1% | -$4.08M | |
| 2022-10-04 | 2022-10-03 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $372.60 | -4,305 | 210.2K | -2% | -$1.60M | |
| 2022-10-04 | 2022-10-03 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $372.60 | -905 | 125.9K | -0.7% | -$337.2K | |
| MI | 2022-09-26 | 2022-09-22 | MPWR | Moyer James C | Dir | S - Sale | $385.89 | -9,800 | 91.8K | -10% | -$3.78M |
| MI | 2022-09-26 | 2022-08-18+ | MPWR | Moyer James C | Dir | G - Gift | $0.00 | -172.9K | 188.7K | -48% | $0 |
| 2022-08-12 | 2022-08-12 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $525.95 | -6,306 | 1.02M | -0.6% | -$3.32M | |
| 2022-08-12 | 2022-08-12 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $525.95 | -1,633 | 214.5K | -0.8% | -$858.9K | |
| 2022-08-12 | 2022-08-11 | MPWR | Zhou Jeff | Dir | S - Sale | $540.00 | -200 | 5,651 | -3% | -$108.0K | |
| 2022-08-12 | 2022-08-12 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $525.95 | -1,633 | 279.5K | -0.6% | -$858.9K | |
| 2022-08-12 | 2022-08-12 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $525.95 | -1,369 | 126.8K | -1% | -$720.0K | |
| 2022-08-12 | 2022-08-12 | MPWR | Tseng Saria | VP, GC | S - Sale | $525.95 | -1,633 | 261.4K | -0.6% | -$858.9K | |
| 2022-08-08 | 2022-08-04 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $522.39 | -984 | 281.1K | -0.3% | -$514.0K | |
| 2022-08-08 | 2022-08-04 | MPWR | Tseng Saria | VP, GC | S - Sale | $522.39 | -984 | 263.0K | -0.4% | -$514.0K | |
| 2022-08-08 | 2022-08-04 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $522.38 | -848 | 128.2K | -0.7% | -$443.0K | |
| M | 2022-08-08 | 2022-08-04 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $529.61 | -5,184 | 216.2K | -2% | -$2.75M |
| 2022-08-08 | 2022-08-04 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $522.39 | -3,798 | 1.02M | -0.4% | -$1.98M | |
| 2022-08-03 | 2022-08-03 | MPWR | Zhou Jeff | Dir | S - Sale | $520.00 | -200 | 5,851 | -3% | -$104.0K | |
| 2022-07-06 | 2022-07-01 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $361.57 | -11.5K | 1.03M | -1% | -$4.16M | |
| 2022-07-06 | 2022-07-01 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $361.58 | -950 | 129.0K | -0.7% | -$343.5K | |
| 2022-07-06 | 2022-07-01 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $361.58 | -4,515 | 282.1K | -2% | -$1.63M | |
| 2022-07-06 | 2022-07-01 | MPWR | Tseng Saria | VP, GC | S - Sale | $361.58 | -4,515 | 264.0K | -2% | -$1.63M | |
| 2022-07-06 | 2022-07-01 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $361.58 | -4,515 | 221.4K | -2% | -$1.63M | |
| 2022-05-31 | 2022-05-27 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $457.00 | -1,495 | 286.6K | -0.5% | -$683.2K | |
| 2022-05-26 | 2022-05-24 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $392.44 | -4,298 | 288.1K | -1% | -$1.69M | |
| MI | 2022-05-16 | 2022-05-09 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | G - Gift | $0.00 | +40.7K | 22.6K | New | $0 |
| 2022-05-16 | 2022-05-09 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | G - Gift | $0.00 | -40.7K | 227.5K | -15% | $0 | |
| 2022-05-16 | 2022-05-12 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $388.10 | -1,679 | 225.9K | -0.7% | -$651.6K | |
| 2022-05-16 | 2022-05-12 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $388.10 | -1,395 | 130.0K | -1% | -$541.4K | |
| 2022-05-16 | 2022-05-12 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $388.10 | -1,679 | 292.4K | -0.6% | -$651.6K | |
| 2022-05-16 | 2022-05-12 | MPWR | Tseng Saria | VP, GC | S - Sale | $388.10 | -1,679 | 268.5K | -0.6% | -$651.6K | |
| 2022-05-16 | 2022-05-12 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $388.10 | -6,481 | 1.04M | -0.6% | -$2.52M | |
| 2022-05-05 | 2022-05-04 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $453.15 | -3,807 | 1.04M | -0.4% | -$1.73M | |
| MI | 2022-05-05 | 2022-04-01 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | G - Gift | $0.00 | 0 | 1,699 | New | $0 |
| 2022-05-05 | 2022-05-04 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $453.16 | -986 | 268.2K | -0.4% | -$446.8K | |
| 2022-05-05 | 2022-05-04 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $453.16 | -850 | 131.4K | -0.6% | -$385.2K | |
| 2022-05-05 | 2022-05-04 | MPWR | Tseng Saria | VP, GC | S - Sale | $453.16 | -986 | 270.2K | -0.4% | -$446.8K | |
| 2022-05-05 | 2022-05-06 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $453.16 | -986 | 294.1K | -0.3% | -$446.8K | |
| 2022-04-05 | 2022-04-01 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $467.23 | -4,420 | 269.2K | -2% | -$2.07M | |
| 2022-04-05 | 2022-04-01 | MPWR | Tseng Saria | VP, GC | S - Sale | $467.23 | -4,420 | 271.2K | -2% | -$2.07M | |
| 2022-04-05 | 2022-04-01 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $467.23 | -11.2K | 1.05M | -1% | -$5.26M | |
| 2022-04-05 | 2022-02-16 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | G - Gift | $0.00 | -42 | 299.5K | -0.0% | $0 | |
| 2022-04-05 | 2022-04-01 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $467.23 | -4,420 | 295.0K | -1% | -$2.07M | |
| 2022-04-05 | 2022-04-01 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $467.22 | -930 | 132.2K | -0.7% | -$434.5K | |
| M | 2022-02-24 | 2022-02-22 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $452.11 | -1,539 | 133.6K | -1% | -$695.8K |
| 2022-02-16 | 2022-02-14 | MPWR | Tseng Saria | VP, GC | S - Sale | $429.60 | -1,663 | 275.5K | -0.6% | -$714.4K | |
| 2022-02-16 | 2022-02-14 | MPWR | Hsing Michael | CEO, Dir | S - Sale | $429.60 | -6,421 | 1.06M | -0.6% | -$2.76M | |
| 2022-02-16 | 2022-02-14 | MPWR | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $429.60 | -1,663 | 299.5K | -0.6% | -$714.4K | |
| 2022-02-16 | 2022-02-14 | MPWR | BLEGEN THEODORE | CFO | S - Sale | $429.60 | -1,387 | 134.7K | -1% | -$595.9K | |
| 2022-02-16 | 2022-02-14 | MPWR | Sciammas Maurice | SVPof Sales, Marketing | S - Sale | $429.60 | -1,663 | 273.6K | -0.6% | -$714.4K | |
| 2022-02-09 | 2022-02-08 | MPWR | CHANG KUO WEI HERBERT | Dir | A - Grant | $0.00 | +542 | 2,356 | +30% | $0 | |
| 2022-02-09 | 2022-02-08 | MPWR | Moyer James C | Dir | A - Grant | $0.00 | +542 | 234.4K | +0.2% | $0 | |
| 2022-02-09 | 2022-02-08 | MPWR | Lee Victor K | Dir | A - Grant | $0.00 | +542 | 29.4K | +2% | $0 |
Purchase Sale Sale after option exercise All abbreviations