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Insider Trading: Amtech Systems Inc

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Amtech Systems Inc in the last 24 months are illustrated in figures 1 and 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 $5,277,644. The total value of stock sales is $4,192,093. The total value of stock exercises is $265,866.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at Amtech Systems Inc (ASYS) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

  • 08

  • 09

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  • 01 2007

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  • 05

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  • 07

  • 08

  • 09

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  • 01 2008

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  • 07

  • $5,043k

    $504k

    $50k

    $5k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at Amtech Systems Inc (ASYS) in the past 24 months. See table 2 for insider transaction details.

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

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  • 08

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  • 01 2008

  • 02

  • 03

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  • 07

  • $14.41

    $10.81

    $7.20

    $3.60



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Amtech Systems Inc (ASYS).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
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 49,850 586,825 0 0
2007-12 0 0 135,115 1,585,014 0 0
2007-11 350,000 5,043,500 0 0 15,000 97,972
2007-10 0 0 0 0 6,000 19,500
2007-09 0 0 84,455 1,140,451 0 0
2007-08 0 0 9,250 97,624 0 0
2007-01 27,557 188,826 0 0 0 0
2006-12 3,389 24,058 0 0 0 0
2006-02 0 0 88,034 782,179 53,267 83,814

Table 2. Detailed insider stock purchases, sales, and option exercises for Amtech Systems Inc (ASYS)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-07-18 Hass Robert T (Chief Accounting Officer) Option Exercise 7,000 5.19 36,330
2008-05-27 King Robert F (Director) Option Exercise 5,000 5.65 28,250
2008-05-15 Anderson Bradley Clark (Chief Financial Officer) Purchase 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 12.60 126,012
2008-02-13 Marxe Austin W & Greenhouse David M (10% Owner) Sale 34,000 11.45 389,157
2007-12-21 Marxe Austin W & Greenhouse David M (10% Owner) Sale 51,000 11.90 606,665
2007-12-20 Marxe Austin W & Greenhouse David M (10% Owner) Sale 43,000 11.48 493,532
2007-12-19 Marxe Austin W & Greenhouse David M (10% Owner) Sale 31,290 11.70 366,164
2007-12-18 Marxe Austin W & Greenhouse David M (10% Owner) Sale 9,825 12.08 118,653
2007-11-16 Marxe Austin W & Greenhouse David M (10% Owner) Purchase 350,000 14.41 5,043,500
2007-11-01 Whang Jong S (President and CEO) Option Exercise 15,000 6.53 97,972
2007-10-19 King Robert F (Director) Option Exercise 6,000 3.25 19,500
2007-09-21 Whang Jong S (President and CEO) Sale 71,884 13.50 970,743
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) Purchase 13,558 6.80 92,194
2007-01-18 Scott Richard L (10% Owner) Purchase 3,000 6.78 20,343
2007-01-17 Scott Richard L (10% Owner) Purchase 4,000 6.87 27,484
2007-01-16 Scott Richard L (10% Owner) Purchase 399 6.99 2,789
2007-01-12 Scott Richard L (10% Owner) Purchase 4,600 6.97 32,075
2007-01-11 Scott Richard L (10% Owner) Purchase 2,000 6.97 13,941
2006-12-22 Scott Richard L (10% Owner) Purchase 3,389 7.10 24,058
2006-02-17 Hass Robert T (Vice President-Finance) Option Exercise 9,250 2.81 26,020
2006-02-16 Whang Jong S (President and CEO) Sale 45,262 8.87 402,122
2006-02-13 Whang Jong S (President and Chief Executive) Option Exercise 44,017 1.31 57,794

Insider trading activities including stock purchases, stock sales, and option exercises 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.

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