Jong S. Whang, Executive Chairman at AMTECH SYSTEMS INC (ASYS), sold 65,613 shares at $11.15 ($732K) on 2015-05-20, disclosed to the SEC on 2015-05-22.
Open-market sale of $732k ASYS by Executive Chairman. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| ASYS | BUY | 2020-03-16 | $20K | — | Filing → |
| ASYS | SELL | 2017-11-29 | $466K | — | Filing → |
| ASYS | SELL | 2014-03-04 | $385K | — | Filing → |