InsiderTrades

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
Buying vs selling by month open-market trades, last 24 months
BoughtSold

Most active insiders, 12 months

InsiderTitleBoughtSold
Hsing MichaelCEO, Dir —$314.44M
Tseng SariaEVP, GC —$150.90M
Sciammas MauriceEVP, WW Sales, Marketing —$101.39M
Xiao DemingEVP, Gbl Ops —$76.43M
BLEGEN THEODOREEVP, CFO —$40.19M
Elmiger Eugen JDir —$19.02M
Zhou JeffDir —$3.25M
Lee Victor KDir —$2.00M
Wynne EileenDir —$530.2K
CHANG KUO WEI HERBERTDir —$312.2K

Transactions 480

Type
Reset
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