DEAN ROBERT W II (CIK 1445300) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-20). Recent activity: Sell MPWR (4 shares), Sell MPWR (2,156 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-20 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Interim CFO | Sell | 4 | $6,253 |
| 2026-05-15 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Interim CFO | Sell | 2,156 | $0 |
Source: SEC Form 4 filings · as of 2026-05-20