Jong S. Whang serves as Executive at AMTECH SYSTEMS INC, where they oversee executive responsibilities. Since joining the company, Jong S. Whang has executed 208 insider transactions totaling $8.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Aug 23, 2022 involved selling 50,000 shares valued at $653.5K.
Jong S. Whang currently holds 70,681 shares of AMTECH SYSTEMS INC (ASYS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jong S. Whang has been a net seller of ASYS stock. They have purchased $214.4K and sold $8.5M worth of shares.
Jong S. Whang's most recent insider trade was on Aug 23, 2022, when they sold 50,000 shares at $13.07 per share.
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| $5.25 |
| Discretionary |
| Sep 8, 2021 | ASYS | $375.5K | Sale | 36,667 | $10.24 | Discretionary |
| Sep 8, 2021 | ASYS | $292.6K | Option Exercise | 36,667 | $7.98 | Discretionary |
| Mar 13, 2020 | ASYS | $19.9K | Purchase | 5,115 | $3.90 | Discretionary |
| Mar 10, 2020 | ASYS | $36.9K | Option Exercise | 12,500 | $2.95 | Discretionary |
| Nov 27, 2017 | ASYS | $233.2K | Sale | 18,600 | $12.54 | Discretionary |
| May 26, 2015 | ASYS | $94.9K | Option Exercise | 13,750 | $6.90 | Discretionary |
| May 26, 2015 | ASYS | $18.4K | Option Exercise | 6,250 | $2.95 | Discretionary |
| May 26, 2015 | ASYS | $61.5K | Option Exercise | 10,000 | $6.15 | Discretionary |
| May 20, 2015 | ASYS | $731.6K | Sale | 65,613 | $11.15 | Discretionary |
| Mar 4, 2014 | ASYS | $315.1K | Sale | 24,950 | $12.63 | Discretionary |
| Mar 4, 2014 | ASYS | $73.6K | Option Exercise | 24,950 | $2.95 | Discretionary |
| Feb 28, 2014 | ASYS | $18.6K | Option Exercise | 6,300 | $2.95 | Discretionary |
| Feb 28, 2014 | ASYS | $70.1K | Sale | 6,300 | $11.13 | Discretionary |
| Feb 21, 2014 | ASYS | $48.2K | Option Exercise | 12,686 | $3.80 | Discretionary |
| Feb 21, 2014 | ASYS | $123.3K | Sale | 12,686 | $9.72 | Discretionary |
| Feb 20, 2014 | ASYS | $94.7K | Option Exercise | 24,914 | $3.80 | Discretionary |
| Feb 20, 2014 | ASYS | $248.6K | Sale | 24,914 | $9.98 | Discretionary |
| Feb 19, 2014 | ASYS | $85.1K | Option Exercise | 22,400 | $3.80 | Discretionary |
| Feb 19, 2014 | ASYS | $224.0K | Sale | 22,400 | $10.00 | Discretionary |
| Dec 15, 2011 | ASYS | $0 | Award | 18,333 | $N/A | Discretionary |
| Aug 11, 2011 | ASYS | $98.2K | Purchase | 8,913 | $11.02 | Discretionary |
| Feb 28, 2011 | ASYS | $2.3K | Purchase | 100 | $22.78 | Discretionary |
| Feb 28, 2011 | ASYS | $38.8K | Purchase | 1,700 | $22.81 | Discretionary |
| Feb 28, 2011 | ASYS | $2.3K | Purchase | 100 | $22.79 | Discretionary |
| Feb 28, 2011 | ASYS | $48.3K | Purchase | 2,100 | $23.01 | Discretionary |
| Feb 28, 2011 | ASYS | $4.6K | Purchase | 200 | $22.80 | Discretionary |
| Dec 10, 2010 | ASYS | $314.0K | Sale | 12,500 | $25.12 | Discretionary |
| Nov 30, 2010 | ASYS | $12.1K | Sale | 600 | $20.21 | Discretionary |