Insider Trading activities of Amtech Systems Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Amtech Systems Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Amtech Systems Inc since year 2005. Table 2 shows the detailed insider transactions of Amtech Systems Inc since 2005. The reporting company's ticker symbol is ASYS. The reporting company's CIK number is 720500.
The total value of stock buying since 2005 is $15,124,234.
The total value of stock sales since 2005 is $15,777,758.
The total value of stock option exercises since 2005 is $2,883,340.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Amtech Systems Inc (ASYS).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-06 0 $0 4,700 $40,799 2,900 $23,142
2017-02 0 $0 8,012 $50,155 0 $0
2015-11 100,000 $515,000 0 $0 0 $0
2015-10 360,000 $1,788,186 0 $0 0 $0
2015-09 2,000 $9,740 0 $0 0 $0
2015-08 15,000 $76,575 0 $0 0 $0
2015-06 75,000 $789,650 0 $0 0 $0
2015-05 75,000 $819,610 113,562 $1,295,331 66,252 $330,339
2015-04 25,000 $277,200 0 $0 0 $0
2015-03 284,000 $3,117,163 0 $0 0 $0
2015-02 50,000 $531,250 0 $0 0 $0
2015-01 10,000 $88,996 0 $0 0 $0
2014-12 15,000 $121,479 0 $0 0 $0
2014-11 100,000 $898,400 0 $0 0 $0
2014-10 15,000 $155,250 0 $0 0 $0
2014-08 2,500 $21,250 0 $0 0 $0
2014-05 7,500 $60,103 0 $0 0 $0
2014-03 0 $0 74,292 $912,324 58,583 $190,236
2014-02 0 $0 130,351 $1,322,480 126,298 $496,160
2014-01 13,600 $98,885 0 $0 0 $0
2013-12 17,400 $116,962 0 $0 0 $0
2012-05 4,000 $17,640 0 $0 0 $0
2011-08 14,913 $166,683 0 $0 0 $0
2011-03 1,520 $33,652 0 $0 0 $0
2011-02 6,300 $142,917 5,000 $124,716 5,000 $36,499
2010-12 0 $0 77,736 $1,820,347 59,236 $400,048
2010-11 0 $0 64,944 $1,242,604 38,700 $252,787
2010-09 0 $0 160,069 $2,578,917 132,419 $820,250
2010-08 0 $0 12,667 $176,203 12,667 $68,020
2010-01 0 $0 161,348 $2,021,955 0 $0
2008-07 0 $0 0 $0 7,000 $36,330
2008-05 2,000 $21,260 0 $0 5,000 $28,250
2008-02 0 $0 49,850 $586,796 0 $0
2007-12 0 $0 135,115 $1,584,957 0 $0
2007-11 350,000 $5,043,500 0 $0 15,000 $97,965
2007-10 0 $0 0 $0 6,000 $19,500
2007-09 0 $0 84,455 $1,140,429 0 $0
2007-08 0 $0 9,250 $97,624 0 $0
2007-01 27,557 $188,825 0 $0 0 $0
2006-12 3,389 $24,058 0 $0 0 $0
2006-02 0 $0 88,034 $782,121 53,267 $83,814

Table 2. Detailed insider stock purchases, sales, and option exercises of Amtech Systems Inc insiders (ASYS)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-06-08 King Robert F Sale 1,800 8.65 15,570
2017-06-07 King Robert F Sale 2,900 8.70 25,229
2017-06-07 King Robert F Option Ex 2,900 7.98 23,142
2017-02-15 Wansem Paul J Van Der Sale 8,012 6.26 50,155
2015-11-02 Piton Capital Partners Llc Buy 100,000 5.15 515,000
2015-10-20 Piton Capital Partners Llc Buy 23,000 5.33 122,521
2015-10-19 Piton Capital Partners Llc Buy 5,000 5.27 26,365
2015-10-16 Piton Capital Partners Llc Buy 27,000 5.12 138,240
2015-10-12 Piton Capital Partners Llc Buy 95,000 5.00 475,000
2015-10-08 Piton Capital Partners Llc Buy 210,000 4.89 1,026,060
2015-09-15 King Robert F (Director) Buy 2,000 4.87 9,740
2015-08-24 Piton Capital Partners Llc Buy 15,000 5.11 76,575
2015-06-24 Piton Capital Partners Llc Buy 25,000 10.25 256,150
2015-06-17 Piton Capital Partners Llc Buy 25,000 10.64 266,000
2015-06-16 Piton Capital Partners Llc Buy 25,000 10.70 267,500
2015-05-26 Whang Jong S (Executive Chairman) Option Ex 30,000 5.33 159,990
2015-05-22 Pentinga Fokko (President and CEO) Sale 27,947 11.71 327,147
2015-05-22 Pentinga Fokko (President and CEO) Option Ex 16,250 2.95 47,937
2015-05-22 Anderson Bradley Clark (Chief Financial Officer) Sale 20,002 11.82 236,403
2015-05-22 Anderson Bradley Clark (Chief Financial Officer) Option Ex 20,002 6.12 122,412
2015-05-20 Whang Jong S (Executive Chairman) Sale 65,613 11.15 731,781
2015-05-19 Schreyer Leslie J Buy 50,000 11.00 550,000
2015-05-12 M3c Holdings Llc Buy 17,500 10.81 189,210
2015-05-11 M3c Holdings Llc Buy 7,500 10.72 80,400
2015-04-17 Schreyer Leslie J Buy 25,000 11.09 277,200
2015-03-30 Schreyer Leslie J Buy 50,000 11.00 550,000
2015-03-27 Schreyer Leslie J Buy 100,000 10.95 1,095,000
2015-03-18 M3c Holdings Llc Buy 10,651 11.03 117,501
2015-03-17 M3c Holdings Llc Buy 8,787 11.01 96,718
2015-03-13 Schreyer Leslie J Buy 5,562 10.84 60,314
2015-03-12 Schreyer Leslie J Buy 30,000 11.01 330,330
2015-03-11 Schreyer Leslie J Buy 20,000 11.00 220,000
2015-03-05 Schreyer Leslie J Buy 25,000 11.00 275,000
2015-03-02 Schreyer Leslie J Buy 34,000 10.95 372,300
2015-02-24 Schreyer Leslie J Buy 25,000 10.75 268,750
2015-02-23 Schreyer Leslie J Buy 25,000 10.50 262,500
2015-01-27 Averick Robert M Buy 4,693 8.84 41,481
2015-01-26 Averick Robert M Buy 807 8.99 7,254
2015-01-23 Averick Robert M Buy 4,500 8.95 40,261
2014-12-24 Averick Robert M Buy 6,497 8.25 53,600
2014-12-16 Averick Robert M Buy 8,503 7.98 67,879
2014-11-26 Schreyer Leslie J Buy 100,000 8.98 898,400
2014-10-06 Averick Robert M Buy 15,000 10.35 155,250
2014-08-06 Averick Robert M Buy 2,500 8.50 21,250
2014-05-22 Averick Robert M Buy 5,700 8.10 46,170
2014-05-20 Averick Robert M Buy 1,800 7.74 13,933
2014-03-14 Giese Alfred (Director) Sale 4,000 11.76 47,032
2014-03-14 Giese Alfred (Director) Option Ex 4,000 2.95 11,800
2014-03-07 Giese Alfred (Director) Sale 50 13.30 665
2014-03-07 Giese Alfred (Director) Option Ex 50 7.98 399
2014-03-06 King Robert F (Director) Sale 2,000 13.20 26,400
2014-03-05 Giese Alfred (Director) Sale 5,000 12.89 64,460
2014-03-05 Giese Alfred (Director) Option Ex 5,000 6.15 30,750
2014-03-05 Anderson Bradley Clark (Chief Financial Officer) Sale 5,709 13.11 74,822
2014-03-04 Whang Jong S (Executive Chairman) Sale 24,950 12.63 315,118
2014-03-04 Whang Jong S (Executive Chairman) Option Ex 24,950 2.95 73,602
2014-03-03 Pentinga Fokko (President and CEO) Sale 29,250 11.83 345,998
2014-03-03 Pentinga Fokko (President and CEO) Option Ex 21,250 2.95 62,687
2014-03-03 Giese Alfred (Director) Sale 3,333 11.35 37,829
2014-03-03 Giese Alfred (Director) Option Ex 3,333 3.30 10,998
2014-02-28 Anderson Bradley Clark (Chief Financial Officer) Sale 22,500 11.14 250,717
2014-02-28 Anderson Bradley Clark (Chief Financial Officer) Option Ex 22,500 5.55 124,875
2014-02-28 King Robert F (Director) Sale 5,000 11.61 58,040
2014-02-28 King Robert F (Director) Option Ex 5,000 3.80 19,000
2014-02-28 Whang Jong S (Executive Chairman) Sale 6,300 11.13 70,131
2014-02-28 Whang Jong S (Executive Chairman) Option Ex 6,300 2.95 18,585
2014-02-21 Whang Jong S (Executive Chairman) Sale 12,686 9.72 123,307
2014-02-21 Whang Jong S (Executive Chairman) Option Ex 12,686 3.80 48,206
2014-02-20 Whang Jong S (Executive Chairman) Sale 24,914 9.98 248,566
2014-02-20 Whang Jong S (Executive Chairman) Option Ex 24,914 3.80 94,673
2014-02-19 Whang Jong S (Executive Chairman) Sale 22,400 10.00 224,089
2014-02-19 Whang Jong S (Executive Chairman) Option Ex 22,400 3.80 85,120
2014-02-18 Pentinga Fokko (President and CEO) Sale 4,053 10.36 41,980
2014-02-12 Anderson Bradley Clark (Chief Financial Officer) Sale 9,361 9.39 87,862
2014-02-12 Anderson Bradley Clark (Chief Financial Officer) Option Ex 9,361 2.95 27,614
2014-02-11 Anderson Bradley Clark (Chief Financial Officer) Sale 23,137 9.41 217,788
2014-02-11 Anderson Bradley Clark (Chief Financial Officer) Option Ex 23,137 3.38 78,087
2014-01-06 Schreyer Leslie J Buy 13,600 7.27 98,885
2013-12-31 Schreyer Leslie J Buy 17,400 6.72 116,962
2012-05-31 Goudena Egbert J. G. (Director) Buy 4,000 4.41 17,640
2011-08-15 Goudena Egbert J. G. (Director) Buy 2,000 11.70 23,400
2011-08-11 Anderson Bradley Clark (Chief Financial Officer) Buy 4,000 11.27 45,080
2011-08-11 Whang Jong S (Chief Executive Officer) Buy 8,913 11.02 98,203
2011-03-10 Goudena Egbert J. G. (Director) Buy 1,000 21.90 21,900
2011-03-02 Giese Alfred (Director) Buy 520 22.60 11,752
2011-02-28 Anderson Bradley Clark (Chief Financial Officer) Buy 2,100 22.38 46,998
2011-02-28 Whang Jong S (Chief Executive Officer) Buy 4,200 22.84 95,919
2011-02-18 Garnreiter Michael (Director) Sale 2,852 25.04 71,416
2011-02-18 Garnreiter Michael (Director) Option Ex 2,852 7.30 20,819
2011-02-16 Garnreiter Michael (Director) Sale 1,148 25.00 28,700
2011-02-16 Garnreiter Michael (Director) Option Ex 1,148 7.30 8,380
2011-02-14 Garnreiter Michael (Director) Sale 1,000 24.60 24,600
2011-02-14 Garnreiter Michael (Director) Option Ex 1,000 7.30 7,300
2010-12-10 Pentinga Fokko (President) Sale 13,375 25.02 334,642
2010-12-10 Pentinga Fokko (President) Option Ex 11,500 9.56 109,974
2010-12-10 Anderson Bradley Clark (Chief Financial Officer) Sale 5,000 25.21 126,050
2010-12-10 Anderson Bradley Clark (Chief Financial Officer) Option Ex 5,000 4.97 24,875
2010-12-10 Whang Jong S (Chief Executive Officer) Sale 12,500 25.12 314,000
2010-12-09 Anderson Bradley Clark (Chief Financial Officer) Sale 5,000 24.37 121,855
2010-12-09 Anderson Bradley Clark (Chief Financial Officer) Option Ex 5,000 3.80 19,000
2010-12-09 King Robert F (Director) Sale 5,000 24.88 124,410
2010-12-09 King Robert F (Director) Option Ex 5,000 9.05 45,250
2010-12-03 Pentinga Fokko (President) Sale 7,500 23.10 173,250
2010-12-03 Pentinga Fokko (President) Option Ex 5,625 6.90 38,812
2010-12-01 Pentinga Fokko (President) Sale 16,250 21.60 351,016
2010-12-01 Pentinga Fokko (President) Option Ex 15,000 5.20 78,000
2010-12-01 Giese Alfred (Director) Sale 2,500 21.07 52,675
2010-12-01 Giese Alfred (Director) Option Ex 2,500 11.05 27,625
2010-12-01 King Robert F (Director) Sale 1,000 21.02 21,022
2010-12-01 Hass Robert T (Chief Accounting Officer) Sale 9,611 20.96 201,427
2010-12-01 Hass Robert T (Chief Accounting Officer) Option Ex 9,611 5.88 56,512
2010-11-30 Whang Jong S (Chief Executive Officer) Sale 23,362 20.33 475,022
2010-11-30 Whang Jong S (Chief Executive Officer) Option Ex 9,042 6.53 59,062
2010-11-20 Whang Jong S (Chief Executive Officer) Sale 680 20.30 13,804
2010-11-19 Whang Jong S (Chief Executive Officer) Sale 23,958 17.58 421,253
2010-11-19 Whang Jong S (Chief Executive Officer) Option Ex 23,958 6.53 156,493
2010-11-17 Whang Jong S (Chief Executive Officer) Sale 5,700 18.18 103,631
2010-11-17 Whang Jong S (Chief Executive Officer) Option Ex 5,700 6.53 37,232
2010-09-09 Whang Jong S (Chief Executive Officer) Sale 42,800 15.89 681,137
2010-09-09 Whang Jong S (Chief Executive Officer) Option Ex 42,800 6.53 279,569
2010-09-08 Whang Jong S (Chief Executive Officer) Sale 24,100 16.06 386,949
2010-09-08 Whang Jong S (Chief Executive Officer) Option Ex 24,100 6.53 157,421
2010-09-07 Pentinga Fokko (President) Sale 7,500 16.81 126,052
2010-09-07 Pentinga Fokko (President) Option Ex 6,250 3.80 23,750
2010-09-07 Anderson Bradley Clark (Chief Financial Officer) Sale 3,880 15.95 61,886
2010-09-07 Anderson Bradley Clark (Chief Financial Officer) Option Ex 3,880 3.80 14,744
2010-09-07 Hass Robert T (Chief Accounting Officer) Sale 9,750 16.56 161,469
2010-09-07 Whang Jong S (Chief Executive Officer) Sale 29,400 16.27 478,426
2010-09-07 Whang Jong S (Chief Executive Officer) Option Ex 29,400 6.53 192,040
2010-09-03 Hwang Jeong Mo (Director) Sale 1,980 16.12 31,917
2010-09-03 Hwang Jeong Mo (Director) Option Ex 1,980 5.01 9,919
2010-09-03 Anderson Bradley Clark (Chief Financial Officer) Sale 13,620 16.18 220,317
2010-09-03 Anderson Bradley Clark (Chief Financial Officer) Option Ex 13,620 6.00 81,720
2010-09-03 Hass Robert T (Chief Accounting Officer) Sale 10,389 16.12 167,481
2010-09-03 Hass Robert T (Chief Accounting Officer) Option Ex 10,389 5.88 61,087
2010-09-02 Pentinga Fokko (President) Sale 1,500 15.70 23,550
2010-08-19 Giese Alfred (Director) Sale 7,667 13.85 106,203
2010-08-19 Giese Alfred (Director) Option Ex 7,667 5.81 44,545
2010-08-17 King Robert F (Director) Sale 5,000 14.00 70,000
2010-08-11 King Robert F (Director) Option Ex 5,000 4.70 23,475
2010-01-13 Marxe Austin W & Greenhouse David M (10% Owner) Sale 150,000 12.61 1,891,500
2010-01-06 Marxe Austin W & Greenhouse David M (10% Owner) Sale 2,100 11.50 24,150
2010-01-04 Marxe Austin W & Greenhouse David M (10% Owner) Sale 9,248 11.49 106,305
2008-07-18 Hass Robert T (Chief Accounting Officer) Option Ex 7,000 5.19 36,330
2008-05-27 King Robert F (Director) Option Ex 5,000 5.65 28,250
2008-05-15 Anderson Bradley Clark (Chief Financial Officer) Buy 2,000 10.63 21,260
2008-02-21 Marxe Austin W & Greenhouse David M (10% Owner) Sale 2,850 12.51 35,656
2008-02-20 Marxe Austin W & Greenhouse David M (10% Owner) Sale 3,000 12.00 36,000
2008-02-14 Marxe Austin W & Greenhouse David M (10% Owner) Sale 10,000 12.60 126,010
2008-02-13 Marxe Austin W & Greenhouse David M (10% Owner) Sale 34,000 11.45 389,130
2007-12-21 Marxe Austin W & Greenhouse David M (10% Owner) Sale 51,000 11.89 606,645
2007-12-20 Marxe Austin W & Greenhouse David M (10% Owner) Sale 43,000 11.48 493,511
2007-12-19 Marxe Austin W & Greenhouse David M (10% Owner) Sale 31,290 11.70 366,155
2007-12-18 Marxe Austin W & Greenhouse David M (10% Owner) Sale 9,825 12.08 118,646
2007-11-16 Marxe Austin W & Greenhouse David M (10% Owner) Buy 350,000 14.41 5,043,500
2007-11-01 Whang Jong S (President and CEO) Option Ex 15,000 6.53 97,965
2007-10-19 King Robert F (Director) Option Ex 6,000 3.25 19,500
2007-09-21 Whang Jong S (President and CEO) Sale 71,884 13.50 970,721
2007-09-20 Whang Jong S (President and CEO) Sale 12,571 13.50 169,708
2007-08-23 Hass Robert T (Chief Accounting Officer) Sale 9,250 10.55 97,624
2007-01-19 Scott Richard L (10% Owner) Buy 13,558 6.80 92,194
2007-01-18 Scott Richard L (10% Owner) Buy 3,000 6.78 20,343
2007-01-17 Scott Richard L (10% Owner) Buy 4,000 6.87 27,484
2007-01-16 Scott Richard L (10% Owner) Buy 399 6.99 2,789
2007-01-12 Scott Richard L (10% Owner) Buy 4,600 6.97 32,075
2007-01-11 Scott Richard L (10% Owner) Buy 2,000 6.97 13,940
2006-12-22 Scott Richard L (10% Owner) Buy 3,389 7.10 24,058
2006-02-17 Hass Robert T (Vice President-Finance) Option Ex 9,250 2.81 26,020
2006-02-16 Whang Jong S (President and CEO) Sale 45,262 8.87 402,092
2006-02-13 Whang Jong S (President and Chief Executive) Option Ex 44,017 1.31 57,794

Insider trading activities including stock purchases, stock sales, and option exercises of ASYS listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Amtech Systems Inc (symbol ASYS, CIK number 720500) see the Securities and Exchange Commission (SEC) website.