David C Chang Insider Trading Activity
David C Chang has been net-selling over the last 12 months with 0 purchases and 7 sales across 1 company.
AXTI is the most-traded position with 7 trades. The largest single transaction was a sale of AXTI for $920K on Mar 10, 2026.
Performance Scorecard
Forward stock performance after each transaction by David C 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 | — | -33.0% | 0% | 7 |
| 90 days | — | -180.8% | 0% | 7 |
| 120 days | — | -316.6% | 0% | 4 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersAXTI · AXT INC
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| Mar 10, 2026 | AXTI | Sell | 20,000 | $46.00 | $920K | Director |
| Mar 5, 2026 | AXTI | Sell | 20,000 | $38.42 | $768K | Director |
| Mar 4, 2026 | AXTI | Sell | 20,000 | $38.53 | $771K | Director |
| Dec 9, 2025 | AXTI | Sell | 25,000 | $14.84 | $371K | Director |
| Dec 2, 2025 | AXTI | Sell | 25,000 | $12.33 | $308K | Director |
| Nov 28, 2025 | AXTI | Sell | 25,000 | $10.72 | $268K | Director |
| Nov 5, 2025 | AXTI | Sell | 100,000 | $8.94 | $894K | Director |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| AXTI | AXT INC | 7 | $4.3M |
Other insiders at AXT INC
3 other tracked filers at AXTI.