David C Chang sold $371k of AXTI
director at AXT INC. 25,000 shares at an average of $14.84, traded Dec 9, 2025, filed Dec 10, 2025.
Score components
- +15RoleDirector
- +15Trade size$371k at market
- +5Share of holdings soldSold 16% 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.
This signal so far: 1m +48.2%, 3m +205.4%, 6m +449.9%.
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 0001437749-25-037434, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 9, 2025 | SOpen-market sale Common Stockindirect: DAVID C CHANG TTEE DAVID C.CHANG REVOCABLE TRUST | -25,000 | $14.84 | $371k | 132,744 | Dec 10, 2025 |
Related signals
Other insiders at AXT INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 31Weak | AXTIsell AXT INC | Leonard J Leblanc director | $384k 4,000 shares | -3% | |
| 42Moderate | AXT INC | Leonard J Leblanc director | $221k 2,500 shares | -2% | |
| 59Moderate | AXT INC | David C Chang director | $926k 8,333 shares | -11% | |
| 56Moderate | AXT INC | Jesse Chen director | $711k 6,172 shares | -11% | |
| 65Notable | AXT INC | Jesse Chen director | $2.0M 22,000 shares | -28% | |
| 60Notable | AXT INC | Jesse Chen director | $1.5M 16,500 shares | -17% | |
| 55Moderate | AXT INC | Jesse Chen director | $1.1M 10,133 shares | -10% | |
| 49Moderate | AXT INC | Jesse Chen director | $579k 5,200 shares | -5% | |
| 50Moderate | AXT INC | Morris S Young CEO | $22M 197,498 shares | -8% | |
| 72Notable | AXT INC | Gary L Fischer CFO | $4.5M 89,032 shares | -32% |
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.