Kang Sun serves as Executive at DAYSTAR TECHNOLOGIES INC, where they oversee executive responsibilities. Since joining the company, Kang Sun has executed 14 insider transactions totaling $11.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 21, 2025 involved selling 68,655 shares valued at $692.0K.
Kang Sun currently holds 1,403,651 shares of DAYSTAR TECHNOLOGIES INC (DSTI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Kang Sun has been a net seller of DSTI stock. They have purchased $0 and sold $11.8M worth of shares.
Kang Sun's most recent insider trade was on Nov 21, 2025, when they sold 68,655 shares at $10.08 per share.
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| $10.60 |
| Discretionary |
| Nov 17, 2025 | AMPX | $36.4K | Option Exercise | 727,950 | $0.05 | Discretionary |
| Nov 17, 2025 | AMPX | $17.0K | Option Exercise | 27,463 | $0.62 | Discretionary |
| Nov 17, 2025 | AMPX | $25.8K | Option Exercise | 41,653 | $0.62 | Discretionary |
| Nov 17, 2025 | AMPX | $198.9K | Option Exercise | 202,934 | $0.98 | Discretionary |
| Aug 21, 2025 | AMPX | $447.8K | Sale | 65,654 | $6.82 | Discretionary |
| Aug 21, 2024 | AMPX | $34.7K | Sale | 33,333 | $1.04 | Discretionary |
| May 22, 2024 | AMPX | $21.2K | Sale | 15,611 | $1.36 | Discretionary |
| May 21, 2024 | AMPX | $26.6K | Sale | 19,973 | $1.33 | Discretionary |
| Mar 19, 2024 | AMPX | $0 | Award | 1,419,670 | $N/A | Discretionary |
| Mar 27, 2012 | DSTI | $0 | Award | 50,000 | $N/A | Discretionary |
| Jan 21, 2011 | DSTI | $0 | Award | 25,000 | $N/A | Discretionary |
| Jan 25, 2010 | DSTI | $0 | Award | 100,000 | $N/A | Discretionary |