Back to Trades
MONOLITHIC POWER SYSTEMS, INC.
MPWRCIK: 0001280452
Follow MPWR
Track MONOLITHIC POWER SYSTEMS, INC. insider trades on your dashboard. Email alerts with a subscription.
MONOLITHIC POWER SYSTEMS, INC. (MPWR) has recorded 50 insider filings from 12 unique insiders, totaling $534.9M in trading activity (net selling). Insiders have sold $534.9M while purchasing $0. Insider sales can reflect personal financial planning rather than a bearish view — always consider the full context. The most active insider by volume is Hsing Michael. All data sourced from SEC Form 4 filings and updated as new disclosures are filed.
Total Volume
$534.9M
Purchases
$0
Sales
$534.9M
Unique Insiders
12
Recent Insider Trades
50 loaded
| Jul 17 | MPWR MONOLITHIC POWER SYSTEMS, INC. | Sciammas Maurice | Insider | Sell | $20.2M |
| Jul 6 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Sell | $40.5K |
| Jun 3 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Sell | $46.0K |
| Jun 2 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Gift | $0 |
| May 29 | MPWR MONOLITHIC POWER SYSTEMS INC | Tseng Saria | Insider | Sell | $12.9M |
| May 27 | MPWR MONOLITHIC POWER SYSTEMS INC | Zhou Jeff | Insider | Sell | $816.5K |
| May 28 | MPWR MONOLITHIC POWER SYSTEMS INC | DEAN ROBERT W II | Insider | Sell | $36.3K |
| May 27 | MPWR MONOLITHIC POWER SYSTEMS INC | Tseng Saria | Insider | Sell | $7.9M |
| May 20 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $59.3M |
| May 20 | MPWR MONOLITHIC POWER SYSTEMS INC | DEAN ROBERT W II | Insider | Sell | $6.3K |
| May 19 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Sell | $18.7M |
| May 15 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Gift | $0 |
| May 8 | MPWR MONOLITHIC POWER SYSTEMS INC | Xiao Deming | Insider | Sell | $49.6M |
| May 8 | MPWR MONOLITHIC POWER SYSTEMS INC | Wynne Eileen | Insider | Sell | $530.2K |
| May 8 | MPWR MONOLITHIC POWER SYSTEMS INC | Elmiger Eugen J | Insider | Sell | $19.0M |
| May 6 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Sell | $601.8K |
| May 6 | MPWR MONOLITHIC POWER SYSTEMS INC | Zhou Jeff | Insider | Sell | $2.4M |
| May 6 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Sell | $47.7K |
| Apr 10 | MPWR MONOLITHIC POWER SYSTEMS INC | Tseng Saria | Insider | Sell | $11.7M |
| Apr 8 | MPWR MONOLITHIC POWER SYSTEMS INC | Tseng Saria | Insider | Sell | $8.9M |
| Apr 3 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Sell | $33.5K |
| Apr 3 | MPWR MONOLITHIC POWER SYSTEMS INC | Tseng Saria | Insider | Sell | $1.6M |
| Apr 1 | MPWR MONOLITHIC POWER SYSTEMS INC | Tseng Saria | Insider | Sell | $25.9M |
| Mar 24 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Sell | $32.9K |
| Mar 9 | MPWR MONOLITHIC POWER SYSTEMS INC | DEAN ROBERT W II | Insider | Other | $0 |
| Feb 17 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $38.7M |
| Feb 12 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Sell | $236.0K |
| Feb 13 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $39.2M |
| Feb 12 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $38.8M |
| Feb 11 | MPWR MONOLITHIC POWER SYSTEMS INC | Lee Victor K | Insider | Sell | $484.9K |
| Feb 10 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Sell | $26.8M |
| Feb 10 | MPWR MONOLITHIC POWER SYSTEMS INC | Tseng Saria | Insider | Sell | $26.8M |
| Feb 10 | MPWR MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE | Insider | Sell | $25.4M |
| Feb 10 | MPWR MONOLITHIC POWER SYSTEMS INC | Xiao Deming | Insider | Sell | $26.8M |
| Feb 10 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $64.3M |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | Martinez Carintia | Insider | Grant | $0 |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice | Insider | Grant | $0 |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | CHANG KUO WEI HERBERT | Insider | Grant | $0 |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Grant | $0 |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | Zhou Jeff | Insider | Grant | $0 |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | Elmiger Eugen J | Insider | Grant | $0 |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | Lee Victor K | Insider | Grant | $0 |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | Wynne Eileen | Insider | Grant | $0 |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | Xiao Deming | Insider | Grant | $0 |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE | Insider | Grant | $0 |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | Tseng Saria | Insider | Grant | $0 |
| Feb 4 | MPWR MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE | Insider | Sell | $3.4M |
| Jan 6 | MPWR MONOLITHIC POWER SYSTEMS INC | Lee Victor K | Insider | Sell | $558.5K |
| Jan 6 | MPWR MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE | Insider | Sell | $2.8M |
| Dec 30 | MPWR MONOLITHIC POWER SYSTEMS INC | Tseng Saria | Insider | Gift | $0 |
50 filings+