CHANG DAVID C
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to CHANG DAVID C. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| AXTI | Sale | 25,000 | $14.84 | $371,000 | Dec 9, 2025 | |
| AXTI | Sale | 25,000 | $10.72 | $268,000 | Dec 2, 2025 | |
| AXTI | Sale | 100,000 | $8.94 | $894,000 | Nov 5, 2025 | |
| AXTI | Award / Grant | 55,172 | — | — | May 15, 2025 | |
| AXTI | Award / Grant | 23,323 | — | — | May 16, 2024 | |
| AXTI | Award / Grant | 23,323 | — | — | May 18, 2023 | |
| AXTI | Award / Grant | 15,238 | — | — | May 19, 2022 | |
| AXTI | Award / Grant | 6,726 | — | — | May 20, 2021 | |
| AXTI | Sale | 12,800 | $5.48 | $70,144 | May 28, 2020 | |
| AXTI | Award / Grant | 10,909 | — | — | May 21, 2020 | |
| AXTI | Award / Grant | 7,594 | — | — | May 24, 2018 | |
| AXTI | Award / Grant | 13,452 | — | — | May 23, 2018 | |
| AXTI | Sale | 9,000 | $8.80 | $79,200 | Aug 1, 2017 | |
| AXTI | Award / Grant | 8,823 | — | — | May 27, 2017 | |
| AXTI | Award / Grant | 16,260 | — | — | May 26, 2016 | |
| 0001377013 | Disposition | 4,678 | — | — | May 18, 2016 | |
| 0001377013 | Option Exercise | 603 | — | — | Jan 8, 2016 | |
| AXTI | Award / Grant | 13,761 | — | — | Nov 2, 2015 | |
| 0001377013 | Option Exercise | 722 | — | — | Jul 8, 2015 | |
| AXTI | Award / Grant | 11,952 | — | — | May 27, 2015 | |
| 0001377013 | Option Exercise | 910 | — | — | Feb 13, 2015 | |
| AXTI | Award / Grant | 13,761 | — | — | May 13, 2014 | |
| 0001377013 | Option Exercise | 919 | — | — | Feb 14, 2014 | |
| AXTI | Award / Grant | 10,909 | — | — | May 14, 2013 | |
| 0001377013 | Option Exercise | 1,296 | — | — | Feb 12, 2013 | |
| AXTI | Award / Grant | 7,692 | — | — | May 15, 2012 | |
| AXTI | Award / Grant | 4,137 | — | — | May 23, 2011 | |
| AXTI | Sale | 1,400 | $8.20 | $11,480 | Nov 23, 2010 | |
| AXTI | Purchase | 3,000 | $5.15 | $15,450 | Aug 31, 2010 | |
| AXTI | Purchase | 3,000 | $5.49 | $16,470 | Aug 23, 2010 | |
| AXTI | Award / Grant | 9,009 | $3.33 | $30,000 | Apr 7, 2010 | |
| AXTI | Purchase | 3,000 | $1.81 | $5,430 | Aug 31, 2009 | |
| AXTI | Award / Grant | 22,727 | — | — | Apr 27, 2009 | |
| 0001377013 | Other | 0 | $27.37 | $3 | Apr 9, 2009 | |
| AXTI | Award / Grant | 15,723 | — | — | Oct 31, 2008 | |
| AXTI | Award / Grant | 3,218 | — | — | Aug 6, 2007 | |
| AXTI | Award / Grant | 2,652 | — | — | May 30, 2007 | |
| AXTI | Award / Grant | 2,652 | — | — | May 30, 2007 | |
| AXTI | Purchase | 550 | $3.15 | $1,733 | Aug 21, 2006 | |
| 0000744106 | Award / Grant | 9,196 | $2.61 | $24,002 | Jun 20, 2006 | |
| AXTI | Purchase | 2,800 | $2.97 | $8,316 | Feb 24, 2006 | |
| AXTI | Purchase | 2,800 | $2.97 | $8,316 | Feb 24, 2006 |