Mike F Chang bought $641k of AOSL
Executive Chairman at ALPHA & OMEGA SEMICONDUCTOR Ltd. 33,727 shares at an average of $19.00, traded Mar 9, 2026, filed Mar 10, 2026.
Score components
- +15RoleDirector
- +20Trade size$641k at market
- -5Relative to holdingsUnder 1% of holdings (0.8%)
- +8Price context38% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
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.
This signal so far: 1m +25.6%, 3m +103.9%, 6m +26.8%.
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 0001387467-26-000020, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 9, 2026 | POpen-market purchase Common Shares | +33,727 | $19.00 | $641k | 4,369,574 | Mar 10, 2026 |
Related signals
Other insiders at ALPHA & OMEGA SEMICONDUCTOR Ltd and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 0Weak | ALPHA & OMEGA SEMICONDUCTOR Ltd | Bing Xue EVP-WW Sales & Bus Development | $30k 875 shares | -1% | |
| 8Weak | ALPHA & OMEGA SEMICONDUCTOR Ltd | Bing Xue EVP-WW Sales & Bus Development | $231k 4,916 shares | -4% | |
| 19Weak | ALPHA & OMEGA SEMICONDUCTOR Ltd | Claudia Chen director | $161k 4,061 shares | -13% | |
| 15Weak | ALPHA & OMEGA SEMICONDUCTOR Ltd | Bing Xue EVP-WW Sales & Bus Development | $202k 4,916 shares | -4% | |
| 17Weak | ALPHA & OMEGA SEMICONDUCTOR Ltd | Bing Xue EVP-WW Sales & Bus Development | $57k 1,832 shares | -1% | |
| 38Weak | ALPHA & OMEGA SEMICONDUCTOR Ltd | Stephen Chunping Chang Chief Executive Officer | $513k 14,884 shares | -2% | |
| 31Weak | ALPHA & OMEGA SEMICONDUCTOR Ltd | Yifan Liang CFO and Corp Secretary | $302k 8,625 shares | -3% | |
| 32Weak | ALPHA & OMEGA SEMICONDUCTOR Ltd | Stephen Chunping Chang Chief Executive Officer | $178k 5,594 shares | -1% | |
| 39Weak | ALPHA & OMEGA SEMICONDUCTOR Ltd | Yifan Liang CFO and Corp Secretary | $810k 26,517 shares | -9% | |
| 2Weak | ALPHA & OMEGA SEMICONDUCTOR Ltd | Bing Xue EVP-WW Sales & Bus Development | $53k 2,408 shares | -2% |
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.