CHANG DAVID C (CIK 1188184) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-17). Recent activity: Sell AXTI (8,333 shares), Buy AXTI (754 shares), Sell AXTI (20,000 shares), Sell AXTI (20,000 shares), Sell AXTI (20,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-17 | AXT INC (AXTI) | Director | Sell | 8,333 | $926,392 |
| 2026-06-05 | AXT INC (AXTI) | Director | Buy | 754 | $0 |
| 2026-03-12 | AXT INC (AXTI) | Director | Sell | 20,000 | $920,000 |
| 2026-03-05 | AXT INC (AXTI) | Director | Sell | 20,000 | $770,600 |
| 2026-03-05 | AXT INC (AXTI) | Director | Sell | 20,000 | $768,400 |
| 2025-12-10 | AXT INC (AXTI) | Director | Sell | 25,000 | $371,000 |
| 2025-12-02 | AXT INC (AXTI) | Director | Sell | 25,000 | $268,000 |
| 2025-12-02 | AXT INC (AXTI) | Director | Sell | 25,000 | $308,250 |
| 2025-11-06 | AXT INC (AXTI) | Director | Sell | 100,000 | $894,000 |
| 2025-05-16 | AXT INC (AXTI) | Director | Buy | 55,172 | $0 |
Source: SEC Form 4 filings · as of 2026-06-17