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Monolithic Power Systems Inc Planned Sales
Before an insider at Monolithic Power Systems Inc can sell restricted stock they have to file notice of it. This is that notice — the leading edge of the insider trading feed, filed days before the sale it describes.
MPWR insider trades →Notices on file
1
Insiders
1
Shares noticed
30K
permission to sell, not sales
Estimated value
$40.3M
as estimated on filing
Largest notices first
Value is the filer's own estimate of what the sale would raise, at the time they filed.
| Seller | Est. value |
|---|---|
| Hsing MichaelOfficer, Director2026-09-2830K sh0.06% | $40.3M |
Source: SEC Form 144 notices, via EDGAR. A notice is permission to sell, not a completed sale — it is often used only in part, or not at all, so none of this is volume and none of it should be added to the insider trading feed. Value is the filer's estimate on the day they filed.
More on MPWR
Company overviewEverything on MPWR in one place, with the price.SEC filingsWhat MPWR's 8-Ks say happened: results, departures, auditor changes.Insider tradingWhat MPWR's own officers and directors buy and sell.Executive payWhat MPWR awarded its chief executive, and what it became.Who owns itEvery manager reporting a position in MPWR.Funds holding itWhich funds and ETFs hold MPWR, and how big a bet.PatentsWhat MPWR is filing at the patent office.