Michael Hsing, CEO at MONOLITHIC POWER SYSTEMS INC (MPWR), sold 13,500 shares at $670.56 ($9.1M) on 2024-04-01, disclosed to the SEC on 2024-04-03.
Scheduled sale ($9.1M) by CEO under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $670.56 | 200 | $134K | 1.5% |
| 2 | $671.81 | 206 | $138K | 1.5% |
| 3 | $671.81 | 206 | $138K | 1.5% |
| 4 | $672.45 | 800 | $538K | 5.9% |
| 5 | $673.48 | 1,114 | $750K | 8.2% |
| 6 | $673.48 | 1,114 |
| $750K |
| 8.2% |
| 7 | $674.57 | 1,300 | $877K | 9.6% |
| 8 | $674.57 | 1,300 | $877K | 9.6% |
| 9 | $675.64 | 680 | $459K | 5.0% |
| 10 | $675.64 | 680 | $459K | 5.0% |
| 11 | $676.42 | 291 | $197K | 2.2% |
| 12 | $676.42 | 291 | $197K | 2.2% |
| 13 | $677.40 | 904 | $612K | 6.7% |
| 14 | $677.40 | 904 | $612K | 6.7% |
| 15 | $679.24 | 600 | $408K | 4.5% |
| 16 | $682.04 | 100 | $68K | 0.7% |
| 17 | $683.50 | 425 | $290K | 3.2% |
| 18 | $683.50 | 425 | $290K | 3.2% |
| 19 | $684.61 | 230 | $157K | 1.7% |
| 20 | $684.61 | 230 | $157K | 1.7% |
| 21 | $685.51 | 400 | $274K | 3.0% |
| 22 | $686.77 | 400 | $275K | 3.0% |
| 23 | $687.45 | 350 | $241K | 2.6% |
| 24 | $687.45 | 350 | $241K | 2.6% |
| Total | $677.21 avg | 13,500 | $9.1M | 100% |
| Filing → |
| MPWR | SELL | 2026-02-17 | $38.7M | — | Filing → |
| MPWR | SELL | 2026-02-13 | $39.2M | — | Filing → |
| MPWR | SELL | 2026-02-12 | $38.8M | — | Filing → |