Form4insider filings, from the source

SEC Form 4 · accession 0001214659-26-009739

MONOLITHIC POWER SYSTEMS, INC. · MPWR

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Robert W Dean II
Officer — Interim CFO
Period of report
Aug 5, 2026
Accepted (ET)
Aug 6, 2026 · 6:20 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001280452

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockAug 5, 2026S105$1,344.27D7,132D
Common Stockholding———65IHeld by Parent & Daughter

Table II — derivative securities

No Table II lines on this filing.