DEAN ROBERT W II (CIK 1445300) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-19). Recent activity: Sell MPWR (6 shares), Sell MPWR (105 shares), Buy MPWR (1,359 shares), Sell MPWR (22 shares), Sell MPWR (4 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | Interim CFO | Sell | 6 | $8,482 |
| 2026-08-06 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | Interim CFO | Sell | 105 | $141,148 |
| 2026-07-28 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | Interim CFO | Buy | 1,359 | $0 |
| 2026-05-28 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Interim CFO | Sell | 22 | $36,290 |
| 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 2026-08-19