Maurice Sciammas, EVP, WW Sales & Marketing at MONOLITHIC POWER SYSTEMS INC (MPWR), sold 55,932 shares at $885.10 ($49.3M) on 2025-11-19, disclosed to the SEC on 2025-11-20.
Seasonal sale ($49.3M) by EVP, WW Sales & Marketing — this insider has traded MPWR in November in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $875.26 | 431 | $377K | 0.8% |
| 2 | $875.26 | 431 | $377K | 0.8% |
| 3 | $876.62 | 940 | $824K | 1.7% |
| 4 | $876.62 | 940 | $824K | 1.7% |
| 5 | $877.45 | 1,976 | $1.7M | 3.5% |
| 6 | $877.45 | 1,976 |
| $1.7M |
| 3.5% |
| 7 | $878.55 | 1,854 | $1.6M | 3.3% |
| 8 | $878.55 | 1,854 | $1.6M | 3.3% |
| 9 | $879.54 | 1,966 | $1.7M | 3.5% |
| 10 | $879.54 | 1,966 | $1.7M | 3.5% |
| 11 | $880.58 | 3,776 | $3.3M | 6.7% |
| 12 | $880.58 | 3,776 | $3.3M | 6.7% |
| 13 | $881.42 | 2,469 | $2.2M | 4.4% |
| 14 | $881.42 | 2,469 | $2.2M | 4.4% |
| 15 | $882.51 | 3,344 | $3.0M | 6.0% |
| 16 | $882.51 | 3,344 | $3.0M | 6.0% |
| 17 | $883.50 | 6,513 | $5.8M | 11.7% |
| 18 | $883.50 | 6,513 | $5.8M | 11.7% |
| 19 | $884.44 | 2,149 | $1.9M | 3.9% |
| 20 | $884.44 | 2,149 | $1.9M | 3.9% |
| 21 | $885.10 | 1,738 | $1.5M | 3.1% |
| 22 | $885.10 | 1,738 | $1.5M | 3.1% |
| 23 | $886.01 | 810 | $718K | 1.5% |
| 24 | $886.01 | 810 | $718K | 1.5% |
| Total | $881.66 avg | 55,932 | $49.3M | 100% |
| Filing → |
| MPWR | SELL | 2026-07-06 | $41K | — | Filing → |
| MPWR | SELL | 2026-06-03 | $46K | — | Filing → |
| MPWR | SELL | 2026-05-19 | $18.7M | — | Filing → |