Zhou Jeff (CIK 1480772) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-05). Recent activity: Buy MPWR (189 shares), Sell MPWR (193 shares), Sell MPWR (400 shares), Sell MPWR (200 shares), Buy MPWR (335 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-05 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Director | Buy | 189 | $0 |
| 2025-08-28 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Director | Sell | 193 | $167,910 |
| 2025-08-15 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Director | Sell | 400 | $340,000 |
| 2025-08-13 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Director | Sell | 200 | $166,000 |
| 2025-02-06 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Director | Buy | 335 | $0 |
Source: SEC Form 4 filings · as of 2026-02-05