Who
David C. Chang
Director
Company insider
Files Form 4 as: Director, Axt; Director, Time Warner Cable; Director, Fedders Corp /de.
In numbers
- Trades disclosed
- 85
- Buys
- 8
- Sells
- 11
- Bought
- $64K
- Sold
- $9.2M
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 24 Feb 2006
- Last trade
- 15 Jun 2026
- Last filed
- 17 Jun 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month. 1 lines have no legible date and are left out.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 15 Jun 2026filed 17 Jun 2026 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $926K8,333 at $111.17 | filing |
| 15 Jun 2026filed 17 Jun 2026 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $926K8,333 at $111.17 | filing |
| 4 Jun 2026filed 5 Jun 2026 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Code A | —754 | filing |
| 4 Jun 2026filed 5 Jun 2026 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Code A | —754 | filing |
| 10 Mar 2026filed 12 Mar 2026 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $920K20,000 at $46.00 | filing |
| 10 Mar 2026filed 12 Mar 2026 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $920K20,000 at $46.00 | filing |
| 5 Mar 2026filed 5 Mar 2026 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $768K20,000 at $38.42 | filing |
| 5 Mar 2026filed 5 Mar 2026 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $768K20,000 at $38.42 | filing |
| 4 Mar 2026filed 5 Mar 2026 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $771K20,000 at $38.53 | filing |
| 4 Mar 2026filed 5 Mar 2026 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $771K20,000 at $38.53 | filing |
| 9 Dec 2025filed 10 Dec 2025 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $371K25,000 at $14.84 | filing |
| 2 Dec 2025filed 2 Dec 2025 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $308K25,000 at $12.33 | filing |
| 28 Nov 2025filed 2 Dec 2025 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $268K25,000 at $10.72 | filing |
| 5 Nov 2025filed 6 Nov 2025 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $894K100,000 at $8.94 | filing |
| 15 May 2025filed 16 May 2025 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Code A | —55,172 | filing |
| 16 May 2024filed 20 May 2024 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Code A | —23,323 at $0.00 | filing |
| 18 May 2023filed 19 May 2023 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Code A | —23,323 at $0.00 | filing |
| 19 May 2022filed 23 May 2022 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Code A | —15,238 at $0.00 | filing |
| 20 May 2021filed 24 May 2021 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Code A | —6,726 at $0.00 | filing |
| 28 May 2020filed 1 Jun 2020 | AXTI AxtSemiconductor Equipment | SEC FORM 4 Sold | $70K12,800 at $5.48 | filing |
News
No headline names them, or the companies they trade most, lately.