Whang Michael

Number of records: 6
SEC FilingCompany/StockTrade DateTransactionSharesAvg. PriceTotal% HoldingsGain/Loss
30-Nov-22 5:54 PM
View: 
Amtech Systems Inc. (ASYS) 28-Nov-22Grant 12,003----62%
19.5K to 31.5K
25-Aug-22 4:23 PM
View: 
Amtech Systems Inc. (ASYS) 24-Aug-22Option Exercise 41,250$6.29$259,612.002062%
2.0K to 43.25K
25-Aug-22 4:23 PM
View: 
Amtech Systems Inc. (ASYS) 24-Aug-22Option Sale 23,754$12.55$298,025.00(55%)
43.25K to 19.5K
03-Mar-20 4:44 PM
View: 
Amtech Systems Inc. (ASYS) 02-Mar-20Market Purchase 2,000$5.00$10,000.00100%
0 to 2.0K
22%
04-Jun-18 4:20 PM
View: 
Amtech Systems Inc. (ASYS) 01-Jun-18Option Exercise 5,000$7.01$35,050.00100%
0 to 5.0K
04-Jun-18 4:20 PM
View: 
Amtech Systems Inc. (ASYS) 01-Jun-18Market Option Sale 5,000$10.01$50,050.00(100%)
5.0K to 0
39%