Form4insider filings, from the source

Insider · CIK 0001360833

Maurice Sciammas

Files at: MPWR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $20.3M · 3net −$20.3M
$10k$10k$1M$1M$100M$100MbuyssalesJun 27Jul 12Jul 27Aug 12Aug 27Sep 12Sep 27

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 4, 2026 GForm 4 →Aug 6, 8:31 pm EDTMONOLITHIC POWER SYSTEMS, INC.MPWR50,000——36,062—
Aug 3, 2026 SForm 4 →Aug 5, 5:33 pm EDTMONOLITHIC POWER SYSTEMS, INC.MPWR30$1,343.94$40,3181,119−2.61%10b5-1
Jul 15, 2026 SForm 4 →Jul 17, 5:43 pm EDTMONOLITHIC POWER SYSTEMS, INC.MPWR15,000$1,349.73$20,245,937151,644−9.00%10b5-1
Jul 1, 2026 SForm 4 →Jul 6, 5:51 pm EDTMONOLITHIC POWER SYSTEMS INCMPWR30$1,351.61$40,5481,149−2.54%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.