Kuo Wei Herbert Chang sold $37k of MPWR
director at MONOLITHIC POWER SYSTEMS INC. 50 shares at an average of $738.00, traded May 13, 2025, filed May 13, 2025.
Score components
- +15RoleDirector
- +6Trade size$37k at market
- 0Share of holdings soldSold 7.4% of holdings
- +8Cluster2 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001214659-25-007514, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 13, 2025 | SOpen-market sale Common Stock | -50 | $738.00 | $37k | 626 | May 13, 2025 |
Related signals
Other insiders at MONOLITHIC POWER SYSTEMS INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 30Weak | MONOLITHIC POWER SYSTEMS INC | Michael Hsing CEO | $40M 30,000 shares | -4% | |
| 35Weak | MONOLITHIC POWER SYSTEMS INC | Theodore Blegen EVP and CFO | $2.4M 3,000 shares | -7% | |
| 53Moderate | MONOLITHIC POWER SYSTEMS INC | Eugen J Elmiger director | $3.4M 4,000 shares | -19% | |
| 27Weak | MONOLITHIC POWER SYSTEMS INC | Theodore Blegen EVP and CFO | $2.3M 3,000 shares | -6% | |
| 32Weak | MONOLITHIC POWER SYSTEMS INC | Theodore Blegen EVP and CFO | $4.5M 6,000 shares | -11% | |
| 36Weak | MONOLITHIC POWER SYSTEMS INC | Kuo Wei Herbert Chang director | $70k 100 shares | -13% | |
| 48Moderate | MONOLITHIC POWER SYSTEMS INC | Maurice Sciammas EVP, WW Sales & Marketing | $8.4M 12,000 shares | -75% | |
| 36Weak | MONOLITHIC POWER SYSTEMS INC | Kuo Wei Herbert Chang director | $65k 100 shares | -11% | |
| 38Weak | MONOLITHIC POWER SYSTEMS INC | Michael Hsing CEO | $3.6M 5,200 shares | -1% | |
| 46Moderate | MONOLITHIC POWER SYSTEMS INC | Theodore Blegen EVP and CFO | $381k 532 shares | -1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.