MONOLITHIC POWER SYSTEMS, INC. 4

Interim CFO Robert W. Dean II sold 105 shares of Monolithic Power Systems, Inc. common stock at about $1,344.27 per share on 2026-08-05.

Interim CFO Robert W. Dean II of Monolithic Power Systems, Inc. reported a small open-market sale of 105 shares of common stock on 2026-08-05 at an average price of $1,344.27 per share, for proceeds of roughly $141,000. Following this sale, he directly owns 7,132 shares of common stock, and additionally has 65 shares held indirectly by a parent and daughter. The transaction appears to be a modest, discretionary sale relative to typical executive ownership levels, with no indication of related derivative or compensation-linked activity in this filing.

Filing Facts

CIK

1280452

Ticker

MPWR

Form

4

Source Type

sec

Accession

0001214659-26-009739

Alert Tier

8