Recent insider trading activity from DEAN ROBERT W II, including buys and sells reported to the SEC.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 18, 2026 | MONOLITHIC POWER SYSTEMS INC | $MPWR | DEAN ROBERT W II | Interim CFO | S | Common Stock | 4 | $1563.28 | 5,965.0000 | 48,042,000 | 0.07% | 0.00% |
| May 13, 2026 | MONOLITHIC POWER SYSTEMS INC | $MPWR | DEAN ROBERT W II | Interim CFO | J | Common Stock | 2156 | $0.00 | 5,969.0000 | 48,042,000 | 26.54% | 0.00% |