| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
David C Chang is Director at AXTI. David C Chang's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $3.4M at current prices.
Historically, David C Chang's trades have earned a below-average insider score of 32/100 across 8 rated trades. On a 3-month view, 12.5% of the rated trades came out ahead, averaging -81.4% over three months.
The AXTI filings lean toward selling, a net 265,133 shares.
David C Chang has 21 Form 4 filings on record from May 2015 to June 2026, all as Director at AXT (AXTI), 2015–2026.
The 23 reported transactions were 13 stock awards and 10 open-market sales.
Counted by filing, the open-market trades come to no purchases and 8 sales worth about $5.4M.
The largest open-market sale was 40,000 shares of AXTI at an average $38.48 on March 5, 2026, about $1.5M.
None of the 6 sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 15, 2026 | AXTI Axt, Inc. | Director | Sell | 8,333 | $111.17 | $926,392.11 | -11.3% | -48.5% | - | |
| Mar 10, 2026 | AXTI Axt, Inc. | Director | Sell | 20,000 | $46.00 | $919,918.00 | -21.6% | +104.9% | - | |
| Mar 5, 2026 | AXTI Axt, Inc. | Director | Sell | 40,000 | $38.48 | $1,539,114.00 | -30.1% | +175.4% | - | |
| Dec 9, 2025 | AXTI Axt Inc | Director | Sell | 25,000 | $14.84 | $371,025.00 | -15.8% | +158.2% | - | |
| Dec 2, 2025 | AXTI Axt Inc | Director | Sell | 50,000 | $11.53 | $576,250.00 | -24.1% | +293.9% | - | |
| Nov 5, 2025 | AXTI Axt Inc | Director | Sell | 100,000 | $8.94 | $894,040.00 | -32.5% | +116.9% | - | |
| May 28, 2020 | AXTI Axt Inc | Director | Sell | 12,800 | $5.48 | $70,144.00 | -6.5% | - | - | |
| Aug 1, 2017 | AXTI Axt Inc | Director | Sell | 9,000 | $8.80 | $79,200.00 | -5.2% | - | - |