Jeff Zhou, Director at MONOLITHIC POWER SYSTEMS INC (MPWR), sold 1,000 shares at $390.32 ($393K) on 2021-07-14, disclosed to the SEC on 2021-07-16.
Open-market sale of $393k 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $390.32 | 500 | $195K | 49.7% |
| 2 | $395.00 | 500 | $198K | 50.3% |
| Total | $392.66 avg | 1,000 | $393K | 100% |
| Filing → |
| MPWR | SELL | 2025-08-28 | $168K | — | Filing → |
| MPWR | SELL | 2025-08-15 | $340K | — | Filing → |
| MPWR | SELL | 2025-08-13 | $166K | — | Filing → |