Form4insider filings, from the source

Insider · CIK 0001192171

Kuo Wei Herbert Chang

Files at: MPWR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $135k · 2net −$135k
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 12Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 24, 2026 SForm 4 →Aug 25, 7:13 pm EDTMONOLITHIC POWER SYSTEMS, INC.MPWR50$1,281.57$64,079515−8.85%
Aug 11, 2026 SForm 4 →Aug 13, 5:23 pm EDTMONOLITHIC POWER SYSTEMS, INC.MPWR50$1,420.00$71,000565−8.13%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.