Michael Hsing, CEO at MONOLITHIC POWER SYSTEMS INC (MPWR), sold 33,000 shares at $1155.71 ($38.7M) on 2026-02-12, disclosed to the SEC on 2026-02-17.
Seasonal sale ($38.7M) by CEO — this insider has traded MPWR in February in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1155.71 | 12,731 | $14.7M | 38.0% |
| 2 | $1159.84 | 4,992 | $5.8M | 15.0% |
| 3 | $1164.92 | 4,001 | $4.7M | 12.1% |
| 4 | $1168.80 | 2,076 | $2.4M | 6.3% |
| 5 | $1173.39 | 200 | $235K | 0.6% |
| 6 | $1180.79 | 480 |
| $567K |
| 1.5% |
| 7 | $1188.23 | 160 | $190K | 0.5% |
| 8 | $1194.34 | 600 | $717K | 1.9% |
| 9 | $1200.81 | 1,440 | $1.7M | 4.5% |
| 10 | $1205.82 | 3,640 | $4.4M | 11.4% |
| 11 | $1210.11 | 1,240 | $1.5M | 3.9% |
| 12 | $1217.12 | 1,440 | $1.8M | 4.5% |
| Total | $1171.83 avg | 33,000 | $38.7M | 100% |
| Filing → |
| MPWR | SELL | 2026-02-13 | $39.2M | — | Filing → |
| MPWR | SELL | 2026-02-12 | $38.8M | — | Filing → |
| MPWR | SELL | 2026-02-10 | $64.3M | — | Filing → |