Jeff Zhou, Director at MONOLITHIC POWER SYSTEMS INC (MPWR), sold 1,000 shares at $405.02 ($403K) on 2021-07-21, disclosed to the SEC on 2021-07-21.
Open-market sale of $403k 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 | $400.00 | 500 | $200K | 49.7% |
| 2 | $405.02 | 500 | $203K | 50.3% |
| Total | $402.51 avg | 1,000 | $403K | 100% |
| Filing → |
| MPWR | SELL | 2025-08-28 | $168K | — | Filing → |
| MPWR | SELL | 2025-08-15 | $340K | — | Filing → |
| MPWR | SELL | 2025-08-13 | $166K | — | Filing → |