Jeff Zhou, Director at MONOLITHIC POWER SYSTEMS INC (MPWR), sold 300 shares at $477.00 ($143K) on 2021-08-20, disclosed to the SEC on 2021-08-23.
Open-market sale of $143k MPWR by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| MPWR | SELL | 2025-08-28 | $168K | — | Filing → |
| MPWR | SELL | 2025-08-15 | $340K | — | Filing → |
| MPWR | SELL | 2025-08-13 | $166K | — | Filing → |