MONOLITHIC POWER SYSTEMS, INC. insiders: buys and sells · MPWR

How to read these transactions

There are 8 filed transactions for MONOLITHIC POWER SYSTEMS, INC. (MPWR) between 2026-09-28 and 2026-09-28. All of them are by the same person. Open-market buys: 0, for $0. Sells: 8, for $40,349,047.

Each transaction comes from a Form 4, the filing the person submits to the SEC. In the table, each row is one transaction: the date, who made it and their role, whether it is a buy or a sell, the number of shares, the declared price per share and the total amount.

Open-market buys are the ones people watch most, because whoever makes them puts in their own money. Sells say less: they often respond to taxes, diversification or sale plans scheduled in advance. A single transaction does not say much either; what people look at is whether they repeat, from how many people and for what amount.

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