| Insider Name | Buy/Sell | Company Name | Ticker | Amount | Shares Change | |||
|---|---|---|---|---|---|---|---|---|
| Aug 23, 2022 | Aug 25, 2022 | Whang Jong S Dir | Sell | Amtech Systems Inc | ASYS | $13.07 | $653,500 | -41.43% |
| Sep 08, 2021 | Sep 10, 2021 | Whang Jong S COB | Sell | Amtech Systems Inc | ASYS | $10.24 | $375,580 | -34.16% |
| Mar 13, 2020 | Mar 16, 2020 | Whang Jong S Exec COB | Buy | Amtech Systems Inc | ASYS | $3.9 | $19,927 | +6.75% |
| Nov 27, 2017 | Nov 29, 2017 | Whang Jong S Exec COB | Sell | Amtech Systems Inc | ASYS | $12.54 | $233,244 | -25.95% |
| May 20, 2015 | May 22, 2015 | Whang Jong S Exec COB | Sell | Amtech Systems Inc | ASYS | $11.15 | $731,788 | -61.16% |
| Feb 28, 2014 | Mar 04, 2014 | Whang Jong S Exec COB | Sell | Amtech Systems Inc | ASYS | $12.33 | $385,240 | -22.56% |
| Feb 19, 2014 | Feb 21, 2014 | Whang Jong S Exec COB | Sell | Amtech Systems Inc | ASYS | $9.93 | $595,948 | -35.87% |