Kuo Wei Herbert Chang Insider Trading Activity
Kuo Wei Herbert Chang has been net-selling over the last 12 months with 0 purchases and 3 sales across 1 company.
MPWR is the most-traded position with 3 trades. The largest single transaction was a sale of MPWR for $90K on Nov 25, 2025.
Performance Scorecard
Forward stock performance after each transaction by Kuo Wei Herbert Chang. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -6.8% | 0% | 2 |
| 90 days | — | -33.6% | 0% | 2 |
| 120 days | — | -23.9% | 0% | 2 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersMPWR · MONOLITHIC POWER SYSTEMS INC
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Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| MPWR | MONOLITHIC POWER SYSTEMS INC | 3 | $241K |
Other insiders at MONOLITHIC POWER SYSTEMS INC
8 other tracked filers at MPWR.