Hsing Michael (Director, Officer (CEO) at MONOLITHIC POWER SYSTEMS, INC.) just sold $40.35M of $MPWR across 8 transactions

Filed with the SEC on 2026-09-30 (Form 4). - Insider: Hsing Michael — Director, Officer (CEO) - Company: MONOLITHIC POWER SYSTEMS, INC. ($MPWR) - Transactions: - 2026-09-28: Sale 10,967 shares @ $1351.43 ($14.82M) - 2026-09-28: Sale 596 shares @ $1323.31 ($788.7K) - 2026-09-28: Sale 2,121 shares @ $1328.54 ($2.82M) - 2026-09-28: Sale 1,111 shares @ $1333.34 ($1.48M) - 2026-09-28: Sale 2,949 shares @ $1338.66 ($3.95M) - 2026-09-28: Sale 5,783 shares @ $1343.76 ($7.77M) - 2026-09-28: Sale 6,343 shares @ $1347.15 ($8.54M) - 2026-09-28: Sale 130 shares @ $1356.94 ($176.4K) - Value: $40.35M Note: Sold under a Rule 10b5-1 trading plan (pre-scheduled, not a discretionary decision). Sourced directly from SEC EDGAR. I track insider, congressional, and institutional (13F) filings like this at Capitol Tracker.