Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: AXT Inc, 3 years.
AXT Inc
Director
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 15, 2026 | AXT Inc | Open-market sale | −8,333 | $111.17 | $926,380 |
| Jun 4, 2026 | AXT Inc | Grant or award | +754 | — | — |
| Mar 10, 2026 | AXT Inc | Open-market sale | −20,000 | $46.00 | $920,000 |
| Mar 5, 2026 | AXT Inc | Open-market sale | −20,000 | $38.42 | $768,400 |
| Mar 4, 2026 | AXT Inc | Open-market sale | −20,000 | $38.53 | $770,600 |
| Dec 9, 2025 | AXT Inc | Open-market sale | −25,000 | $14.84 | $371,000 |
| Dec 2, 2025 | AXT Inc | Open-market sale | −25,000 | $12.33 | $308,250 |
| Nov 28, 2025 | AXT Inc | Open-market sale | −25,000 | $10.72 | $268,000 |
| Nov 5, 2025 | AXT Inc | Open-market sale | −100,000 | $8.94 | $894,000 |
| May 15, 2025 | AXT Inc | Grant or award | +55,172 | — | — |
| May 16, 2024 | AXT Inc | Grant or award | +23,323 | — | — |
| May 18, 2023 | AXT Inc | Grant or award | +23,323 | — | — |
Questions about David C. Chang
What boards is David C. Chang on?
David C. Chang sits on the board of AXT Inc.
How long has David C. Chang served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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