Saria Tseng, EVP & General Counsel at MONOLITHIC POWER SYSTEMS INC (MPWR), sold 29,360 shares at $905.32 ($26.5M) on 2025-11-25, disclosed to the SEC on 2025-11-28.
Seasonal sale ($26.5M) by EVP & General Counsel — 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 | $894.54 | 385 | $344K | 1.3% |
| 2 | $894.54 | 385 | $344K | 1.3% |
| 3 | $895.63 | 1,625 | $1.5M | 5.5% |
| 4 | $895.63 | 1,625 | $1.5M | 5.5% |
| 5 | $896.37 | 2,066 | $1.9M | 7.0% |
| 6 | $896.37 | 2,066 |
| $1.9M |
| 7.0% |
| 7 | $897.54 | 754 | $677K | 2.6% |
| 8 | $897.54 | 754 | $677K | 2.6% |
| 9 | $898.38 | 145 | $130K | 0.5% |
| 10 | $898.38 | 145 | $130K | 0.5% |
| 11 | $899.37 | 320 | $288K | 1.1% |
| 12 | $899.37 | 320 | $288K | 1.1% |
| 13 | $900.41 | 346 | $312K | 1.2% |
| 14 | $900.41 | 346 | $312K | 1.2% |
| 15 | $901.58 | 880 | $793K | 3.0% |
| 16 | $901.58 | 880 | $793K | 3.0% |
| 17 | $902.07 | 120 | $108K | 0.4% |
| 18 | $902.07 | 120 | $108K | 0.4% |
| 19 | $903.54 | 160 | $145K | 0.5% |
| 20 | $903.54 | 160 | $145K | 0.5% |
| 21 | $904.39 | 200 | $181K | 0.7% |
| 22 | $905.32 | 160 | $145K | 0.5% |
| 23 | $905.32 | 160 | $145K | 0.5% |
| 24 | $906.33 | 272 | $247K | 0.9% |
| 25 | $906.33 | 272 | $247K | 0.9% |
| 26 | $907.21 | 10,200 | $9.3M | 34.9% |
| 27 | $908.49 | 888 | $807K | 3.0% |
| 28 | $908.49 | 888 | $807K | 3.0% |
| 29 | $909.35 | 556 | $506K | 1.9% |
| 30 | $909.35 | 556 | $506K | 1.9% |
| 31 | $910.42 | 359 | $327K | 1.2% |
| 32 | $910.42 | 359 | $327K | 1.2% |
| 33 | $911.92 | 324 | $295K | 1.1% |
| 34 | $911.92 | 324 | $295K | 1.1% |
| 35 | $912.30 | 240 | $219K | 0.8% |
| Total | $903.06 avg | 29,360 | $26.5M | 100% |
| Filing → |
| MPWR | SELL | 2026-04-10 | $11.7M | — | Filing → |
| MPWR | SELL | 2026-04-08 | $8.9M | — | Filing → |
| MPWR | SELL | 2026-04-03 | $1.6M | — | Filing → |