InsiderTrades

Form 4 for MPWR Monolithic Power Systems

Accepted 2026-08-13 17:23:50 ET · period of report 2026-08-11 · accession 0001214659-26-010101 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-08-13 17:23 2026-08-11 MPWR CHANG KUO WEI HERBERT Dir S - Sale $1,420.00 -50 565 -8% -$71.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-11 S D 50 $1,420.00 565 D — —