Jong S. Whang, Chief Executive Officer at AMTECH SYSTEMS INC (ASYS), sold 12,500 shares at $25.12 ($314K) on 2010-12-10, disclosed to the SEC on 2010-12-10.
Open-market sale of $314k ASYS by Chief Executive Officer. 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 | 2015-05-22 | $732K | — | Filing → |