Whang Michael

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Whang Michael
CIK #0001727924
EDGAR Form CIK 2011 - 2026
3 [0001727924]
4 [0001727924]
Form 3/4/5 Subject 2011 - 2026
Whang Michael
Amtech Systems Inc
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Amtech Systems Inc ASYS
Amtech Systems, Inc. Employee Stock Option · derivative
2022-12-01 Grant 12,000
Amtech Systems Inc ASYS
Amtech Systems, Inc. $0.01 par value common stock
2022-11-28 Grant 12,003 $0.00
Amtech Systems Inc ASYS
Amtech Systems, Inc. $.01 par value common stock
2022-08-24 Option exercise 10,000 $4.77 47,700
Amtech Systems Inc ASYS
Amtech Systems, Inc. $.01 par value common stock
2022-08-24 Sell 8,750 $12.78 111,825
Amtech Systems Inc ASYS
Amtech Systems, Inc. $.01 par value common stock
2022-08-24 Option exercise 5,000 $5.67 28,350
Amtech Systems Inc ASYS
Amtech Systems, Inc. $.01 par value common stock
2022-08-24 Option exercise 10,000 $7.40 74,000
Amtech Systems Inc ASYS
Amtech Systems, Inc. Employee Stock Option · derivative
2022-08-24 Option exercise 7,500 $5.52 41,400
Amtech Systems Inc ASYS
Amtech Systems, Inc. Employee Stock Option · derivative
2022-08-24 Option exercise 10,000 $7.40 74,000
Amtech Systems Inc ASYS
Amtech Systems, Inc. Employee Stock Option · derivative
2022-08-24 Option exercise 5,000 $9.98 49,900
Amtech Systems Inc ASYS
Amtech Systems, Inc. Employee Stock Option · derivative
2022-08-24 Option exercise 10,000 $4.77 47,700
Amtech Systems Inc ASYS
Amtech Systems, Inc. Employee Stock Option · derivative
2022-08-24 Option exercise 5,000 $5.67 28,350
Amtech Systems Inc ASYS
Amtech Systems, Inc. Employee Stock Option · derivative
2022-08-24 Option exercise 3,750 $4.87 18,262
Amtech Systems Inc ASYS
Amtech Systems, Inc. $.01 par value common stock
2022-08-24 Option exercise 7,500 $5.52 41,400
Amtech Systems Inc ASYS
Amtech Systems, Inc. $.01 par value common stock
2022-08-24 Sell 15,004 $12.41 186,200
Amtech Systems Inc ASYS
Amtech Systems, Inc. $.01 par value common stock
2022-08-24 Option exercise 5,000 $9.98 49,900
Amtech Systems Inc ASYS
Amtech Systems, Inc. $.01 par value common stock
2022-08-24 Option exercise 3,750 $4.87 18,262
Amtech Systems Inc ASYS
Amtech Systems, Inc. Employee Stock Option · derivative
2021-11-16 Grant 12,000
Amtech Systems Inc ASYS
Amtech Systems, Inc. Employee Stock Option · derivative
2020-11-17 Grant 15,000
Amtech Systems Inc ASYS
Amtech Systems, Inc. $0.01 par value common stock
2020-03-02 Buy 2,000 $5.00 10,000
Amtech Systems Inc ASYS
Amtech Systems, Inc. Employee Stock Option · derivative
2019-03-06 Grant 10,000
showing 20 of 25 most recent transactions
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