Michael Hsing, CEO at MONOLITHIC POWER SYSTEMS INC (MPWR), sold 33,000 shares at $1158.71 ($39.2M) on 2026-02-11, disclosed to the SEC on 2026-02-13.
Seasonal sale ($39.2M) 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 | $1158.71 | 363 | $421K | 1.1% |
| 2 | $1163.71 | 1,366 | $1.6M | 4.1% |
| 3 | $1167.62 | 1,533 | $1.8M | 4.6% |
| 4 | $1172.92 | 1,987 | $2.3M | 5.9% |
| 5 | $1177.67 | 2,799 | $3.3M | 8.4% |
| 6 | $1182.82 | 1,542 |
| $1.8M |
| 4.6% |
| 7 | $1188.17 | 2,104 | $2.5M | 6.4% |
| 8 | $1192.67 | 6,079 | $7.3M | 18.5% |
| 9 | $1197.20 | 14,578 | $17.5M | 44.5% |
| 10 | $1202.28 | 649 | $780K | 2.0% |
| Total | $1188.92 avg | 33,000 | $39.2M | 100% |
| Filing → |
| MPWR | SELL | 2026-02-17 | $38.7M | — | Filing → |
| MPWR | SELL | 2026-02-12 | $38.8M | — | Filing → |
| MPWR | SELL | 2026-02-10 | $64.3M | — | Filing → |