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向上 向下

股本结构

单位:万股
公告日期 2024-03-13 2023-12-15 2023-11-03 2023-11-03 2023-05-15 2023-06-14
证券总股本 5122.57 5048.98 5048.98 4999.76 4972.81 4966.95
普通股本 5122.57 5048.98 5048.98 4999.76 4972.81 4966.95
优先股 未披露 未披露 未披露 未披露 未披露 未披露
其他 未披露 未披露 未披露 未披露 未披露 未披露
变动日期 2024-03-11 2023-10-31 2023-10-27 2023-07-31 2023-05-11 2023-04-30
注释:中概股证券总股本=普通股股本/ 存托凭证比例

历史变动

公告日期 变动后普通股本(万股) 变动后优先股(万股) 变动原因 变动日期
2024-03-13 5122.57 未披露 定期报告 2024-03-11
2023-12-15 5048.98 未披露
更多>>
From July 31, 2023 to October 31, 2023 Vested restricted stock unit issuances Common stock issued for Asset Purchase Agreement bonus payment
2023-10-31
2023-11-03 5048.98 未披露 定期报告 2023-10-27
2023-11-03 4999.76 未披露
更多>>
From July 31, 2022 to July 31, 2023 Vesting of performance stock Issuance of common stock for employee 401(k) plan match Vesting of restricted stock Exercise of stock options Issuance of common stock (net of expenses of $12)
2023-07-31
2023-05-15 4972.81 未披露 定期报告 2023-05-11
2023-06-14 4966.95 未披露
更多>>
From January 31, 2023 to April 30, 2023 Exercise of stock options Vesting of restricted stock units Issuance of common stock for employee 401(k) plan match
2023-04-30
2023-03-20 4966.28 未披露 定期报告 2023-03-17
2023-03-20 4873.31 未披露
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From October 31, 2022 to January 31, 2023 Vesting of performance stock units
2023-01-31
2022-06-09 4872.05 未披露
更多>>
From January 31, 2022 to April 30, 2022 Exercise of stock options Issuance of common stock for employee 401(k) plan match
2022-04-30
2022-03-14 4870.92 未披露 定期报告 2022-03-11
2021-06-11 4847.18 未披露
更多>>
From January 31, 2021 To April 30, 2021 Exercise of stock options Vesting of restricted stock Issuance of common stock for employee 401(k) plan match
2021-04-30
2021-03-16 4822.86 未披露 定期报告 2021-03-08
2021-03-16 4822.78 未披露
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From October 31, 2020 to January 31, 2021 Issuance of common stock for bonus payments
2021-01-31
2020-10-19 4789.51 未披露
更多>>
From July 31, 2019 to July 31, 2020 Vesting of restricted stock Issuance of common stock for share-based compensation Issuance of common stock for employee 401(k) plan match
2020-07-31
2020-06-09 4789.09 未披露
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From January 31, 2020 to April 30, 2020 Issuance of common stock for employee 401(k) plan match
2020-04-30
2020-03-06 4755.76 未披露
更多>>
from October 31, 2019 to January 31, 2020 Vesting of restricted stock
2020-01-31
2019-06-10 4755.68 未披露
更多>>
from January 31, 2019 to April 30, 2019 Issuance of common stock for employee 401(k) plan match
2019-04-30
2019-03-11 4724.13 未披露
更多>>
from July 31, 2018 to January 31, 2019 Vesting of restricted stock Exercise of stock options Net issuance of common stock for options exercised by Directors
2019-01-31
2018-11-21 4719.25 未披露 定期报告 2018-11-13
2018-12-10 4719.24 未披露
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from July 31, 2018 to October 31, 2018 Vesting of restricted stock Exercise of stock options
2018-10-31
2018-10-15 4718.23 未披露
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from July 31, 2017 to July 31, 2018 Vesting of restricted stock Issuance of common stock for employee 401(k) plan match Cashless options exercise and issuance of Treasury stock Exercise of stock options
2018-07-31
2018-06-11 4716.59 未披露 定期报告 2018-06-01
2018-06-11 4716.19 未披露
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from July 31, 2017 to April 30, 2018 Cashless options exercise Vesting of restricted stock Exercise of stock options Issuance of common stock and treasury stock for employee 401(k) plan match
2018-04-30
2018-03-12 4700.09 未披露 定期报告 2018-03-01
2018-03-12 4707.78 未披露
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from July 31, 2017 to January 31, 2018 Cashless option exercise Vesting of restricted stock Exercise of stock options
2018-01-31
2017-11-22 4692.57 未披露 定期报告 2017-11-15
2017-12-07 4691.35 未披露
更多>>
from July 31, 2017 to October 31, 2017 Vesting of restricted stock Exercise of stock options
2017-10-31
2017-09-27 4654.79 未披露 定期报告 2017-09-18
2017-09-01 4651.19 未披露 定期报告 2017-08-31
2017-09-27 4650.62 未披露
更多>>
from July 31, 2016 to July 31, 2017 Vesting of restricted stock Issuance of common stock for employee 401(k) plan match Exercise of stock options
2017-07-31
2017-06-08 4640.73 未披露
更多>>
from July 31, 2016 to April 30, 2017 Vesting of restricted stock Exercise of stock options Issuance of common stock for 401(k) plan match
2017-04-30
2017-03-13 4629.22 未披露
更多>>
from July 31, 2016 to January 31, 2017 Vesting of restricted stock Exercise of stock options
2017-01-31
2016-12-08 4628.98 未披露 定期报告 2016-12-01
2016-11-23 4627.98 未披露 定期报告 2016-11-15
2016-12-08 4627.98 未披露
更多>>
From July 31, 2016 to October 31, 2016 Vesting of restricted stock Exercise of stock options
2016-10-31
2016-10-13 4626.76 未披露
更多>>
From July 31, 2015 to July 31, 2016 Vesting of restricted stock Issuance of common stock for employee 401(k) plan match Exercise of stock options
2016-07-31
2016-09-01 4626.50 未披露 定期报告 2016-06-30
2016-06-08 4625.49 未披露
更多>>
From July 31, 2015 to April 30, 2016 Vesting of restricted stock Exercise of stock options Issuance of common stock 401(K) plan match
2016-04-30
2016-03-09 4609.25 未披露
更多>>
from July 31, 2015 to January 31, 2016 Vesting of restricted stock Exercise of stock options
2016-01-31
2015-11-27 4606.88 未披露 定期报告 2015-11-23
2015-12-08 4606.88 未披露
更多>>
from July 31, 2015 to October 31, 2015 Vesting of restricted stock
2015-10-31
2015-10-13 4606.21 未披露
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from July 31, 2014 to July 31, 2015 Vesting of restricted stock Net proceeds from Issuance of common stock (net of expenses of $207) Issuance of common stock for employee 401(k) plan match
2015-07-31
2015-06-09 4605.81 未披露
更多>>
from July 31, 2014 to April 30, 2015 Vesting of restricted stock Net proceeds from issuance of common stock (net of expenses of $207) Issuance of common stock 401(k) plan match
2015-04-30
2015-03-12 4537.40 未披露 定期报告 2015-03-02
2015-03-12 4537.41 未披露
更多>>
from July 31, 2014 to January 31, 2015 Vesting of restricted stock Net proceeds from issuance of common stock (net of expenses of $169)
2015-01-31
2014-12-09 4475.20 未披露 定期报告 2014-11-28
2014-12-09 4475.16 未披露
更多>>
from July 31, 2014 to October 31, 2014 Vesting of restricted stock Net proceeds from issuance of common stock (net of expenses of $82)
2014-10-31
2014-10-09 4450.40 未披露 定期报告 2014-10-01
2014-10-09 4423.92 未披露
更多>>
from July 31, 2013 to July 31, 2014 Vesting of restricted stock Net proceeds from Issuance of common stock (net of expenses of $357) Issuance of common stock for employee 401(k) plan match
2014-07-31
2014-06-09 4382.60 未披露 定期报告 2014-05-28
2014-06-09 4381.82 未披露
更多>>
from July 31, 2013 to April 30, 2014 Vesting of restricted stock Net proceeds from issuance of common stock Issuance of stock for employee 401(k) plan match
2014-04-30
2014-03-11 4258.00 未披露 定期报告 2014-03-01
2014-03-11 4231.56 未披露
更多>>
from July 31, 2013 to January 31, 2014 Vesting of restricted stock Net proceeds from issuance of common stock
2014-01-31
2013-12-10 4134.80 未披露 定期报告 2013-12-02
2013-11-27 4134.86 未披露 定期报告 2013-11-21
2013-12-10 4128.03 未披露
更多>>
From July 31, 2013 to October 31, 2013 Vesting of restricted stock Net proceeds from issuance of common stock
2013-10-31
2013-10-15 4118.07 未披露 定期报告 2013-10-01
2013-10-15 4056.94 未披露
更多>>
from July 31, 2012 to July 31, 2013 Vesting of restricted stock Net proceeds from Issuance of common stock (net of expenses of $224) Issuance of common stock for employee 401(k) plan match Issuance of treasury stock for employee 401(k) plan match
2013-07-31
2013-06-10 3994.30 未披露 定期报告 2013-05-31
2013-06-10 3967.65 未披露
更多>>
From July 31, 2012 to April 30, 2013 Vesting of restricted stock Net proceeds from issuance of common stock Issuance of common stock for employee 401(k) plan match
2013-04-30
2013-03-12 3937.86 未披露 定期报告 2013-03-01
2013-03-12 3937.61 未披露
更多>>
from July 31, 2012 to January 31, 2013 Vesting of restricted stock
2013-01-31
2012-12-10 3927.94 未披露 定期报告 2012-12-01
2012-11-27 3940.70 未披露 定期报告 2012-11-21
2012-12-10 3927.94 未披露
更多>>
from July 31, 2012 to October 31, 2012 Vesting of restricted stock
2012-10-31
2012-10-15 3927.89 未披露
更多>>
from July 31, 2011 to July 31, 2012 Vesting of restricted stock Issuance of common stock for services Issuance of treasury stock for employee 401(k) plan match
2012-07-31
2012-06-11 3892.77 未披露 定期报告 2012-06-01
2012-06-11 3892.48 未披露
更多>>
from July 31, 2011 to April 30, 2012 Vesting of restricted stock Issuance of treasury stock for employee 401(k) plan match
2012-04-30
2012-03-12 3862.74 未披露 定期报告 2012-03-01
2012-03-12 3862.54 未披露
更多>>
from July 31, 2011 to January 31, 2012 Vesting of restricted stock
2012-01-31
2011-12-12 3859.92 未披露 定期报告 2011-12-01
2011-12-12 3859.87 未披露
更多>>
from July 31, 2011 to October 31, 2011 Vesting of restricted stock
2011-10-31
2011-10-14 3859.64 未披露 定期报告 2011-10-01
2011-10-14 3859.58 未披露
更多>>
from July 31,2010 to July 31,2011 Vesting of restricted stock Issuance of treasury stock for employee 401(k) plan match
2011-07-31
2011-06-09 3858.91 未披露 定期报告 2011-06-01
2011-06-09 3858.44 未披露
更多>>
from July 31, 2010 to April 30, 2011 Vesting of restricted stock Issuance of treasury stock for employee 401(k) plan match
2011-04-30
2011-03-14 3826.40 未披露 定期报告 2011-03-01
2011-03-14 3826.12 未披露
更多>>
from July 31, 2010 to January 31, 2011 Vesting of restricted stock
2011-01-31
2010-12-10 3816.20 未披露 定期报告 2010-12-01
2010-12-10 3816.20 未披露
更多>>
Vesting of restricted stock
2010-10-31
2010-10-14 3816.00 未披露 定期报告 2010-10-01
2010-10-14 3815.89 未披露
更多>>
from July 31, 2009 to July 31, 2010 Vesting of restricted stock Issuance of treasury stock for employee 401(k) plan match
2010-07-31
2010-06-09 3815.08 未披露 定期报告 2010-06-01
2010-06-09 3815.08 未披露
更多>>
from July 31, 2009 to April 30, 2010 Vesting of restricted stock Issuance of treasury stock for employee 401(k) plan match
2010-04-30
2009-10-14 3785.40 未披露 定期报告 2009-10-01
2009-10-14 3785.43 未披露
更多>>
from July 31, 2008 to July 31, 2009 Exercise of stock options Vesting of restricted stock Purchase of treasury stock Issuance of treasury stock for employee 401(k) plan match
2009-07-31
2008-10-14 3738.23 未披露 定期报告 2008-10-06
2008-10-14 3722.99 未披露
更多>>
from July 31, 2007 to July 31, 2008 Purchase of treasury stock Exercise of stock options Vesting of restricted stock Issuance of stock for employee 401(k) plan match Issuance of stock for acquisition
2008-07-31
2007-10-15 3671.86 未披露 定期报告 2007-10-05
2007-10-15 3668.43 未披露
更多>>
from July 31, 2006 to July 31, 2007 Net proceeds from issuance of common stock Exercise of stock options Issuance of stock for employee 401(k) plan match Vesting of restricted stock
2007-07-31
2006-10-13 3227.45 未披露
更多>>
from July 31, 2005 to July 31, 2006 Realized loss on available-for-sale securities, net of tax Surrender of common stock for exercise of stock options Exercise of stock options Issuance of stock for employee 401(k) plan match Share based compensation charges Stock options issued for consulting services
2006-07-31
2005-10-14 3214.24 未披露
更多>>
from July 31, 2004 to July 31, 2005 Increase in common stock and paid-in capital due to exercise of stock options Issuance of stock for employee 401(k) plan match Purchase of treasury stock
2005-07-31
2004-10-14 3086.48 未披露 定期报告 2004-10-07
2004-10-14 3051.49 未披露
更多>>
from July 31, 2003 to July 31, 2004 Increase in common stock and paid-in capital due to exercise of stock options Issuance of stock for employee 401(k) plan Purchase of treasury stock
2004-07-31
2003-10-29 3000.73 未披露 定期报告 2003-10-07
2003-10-29 2997.51 未披露
更多>>
from July 31, 2002 to July 31, 2003 5% stock dividend (fair value on date declared) Increase in common stock and paid-in capital due to exercise of stock options Issuance of stock for employee 401(k) plan
2003-07-31
2002-10-29 2845.98 未披露
更多>>
from July 31, 2001 to July 31, 2002 Issuance of stock for employee 401(k) plan Increase in common stock and pain-in capital due to exercise of stock options 5% stock dividend (fair value on date declared)
2002-07-31
2001-10-29 2708.22 未披露 定期报告 2001-10-11
2001-10-29 2708.01 未披露
更多>>
from July 31, 2000 to July 31, 2001 Issuance of stock for employee 401(k) plan Increase in common stock and paid-in capital due to exercise of stock options and warrants 5% stock dividend (fair value on date declared)
2001-07-31
2000-10-30 2565.91 未披露 定期报告 2000-10-13
2000-10-30 2558.37 未披露
更多>>
from July 31, 1999 to July 31, 2000 Increase in common stock and paid-in capital due to exercise of stock options and warrants Issuance of stock for employee 401(k) plan
2000-07-31
1999-10-28 2509.97 未披露 定期报告 1999-10-20
1999-10-28 2495.77 未披露
更多>>
from July 31, 1998 to July 31, 1999 Increase in common stock and paid in capital due to exercise of stock options and warrants Issurance of stock for employee 401(k) plan
1999-07-31
1998-10-28 2489.12 未披露 定期报告 1998-10-26
1998-10-28 2490.53 未披露
更多>>
from July 31, 1997 to July 31, 1998 Issuance of stock for employee 401(k) plan Increase in common stock and paid-in capital due to exercise of stock options and warrants
1998-07-31
1997-10-29 2333.58 未披露 定期报告 1997-10-21
1997-10-29 2332.99 未披露
更多>>
from July 31, 1996 to July 31, 1997 Increase in common stock and paid-in capital due to exchange of stock for debt, net of offering costs Increase in common stock and paid-in capital due to exercise of stock options and warrants Issuance of stock for employee 401(k) plan Increase in common stock and paid-in capital due to 5% stock dividend
1997-07-31
1996-10-29 2195.13 未披露 定期报告 1996-10-21
1996-10-29 2162.49 未披露
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from July 31, 1995 to July 31, 1996 Increase in common stock and paid-in capital due to exercise of stock options and warrants Issuance of stock for employee 401(k) plan
1996-07-31
1995-10-30 2142.06 未披露 定期报告 1995-10-19
1995-10-30 2133.46 未披露
更多>>
from July 31, 1994 to July 31, 1995 Increase in common stock and paid-in capital due to 5% stock dividend Increase in common stock and paid-in capital due to exchange of stock for debt Increase in common stock and paid-in capital due to exercise of stock options
1995-07-31
1995-10-30 1982.22 未披露
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from July 31, 1993 to July 31, 1994 Increase in common stock and paid-in capital due to exchange of stock for debt, net of expenses of approximately Increase in common stock due to investment from investor,net of expenses of approximately $17,000 Increase in common stock and paid-in capital due to exercise of stock options Increase in common stock and paid-in capital due to debenture conversion
1994-07-31
1995-10-30 1828.71 未披露
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from July 31, 1992 to July 31, 1993 Increase in common stock and paid-in capital due to exchange of stock for debt, net of expenses of 4,947,800 Increase in common stock and paid-in capital due to exercise of stock options Increase in common stock and paid-in capital due to debenture conversion
1993-07-31
1995-10-30 1747.43 未披露 定期报告 1992-07-31
From July 31, 2023 to October 31, 2023 Vested restricted stock unit issuances Common stock issued for Asset Purchase Agreement bonus payment
From July 31, 2022 to July 31, 2023 Vesting of performance stock Issuance of common stock for employee 401(k) plan match Vesting of restricted stock Exercise of stock options Issuance of common stock (net of expenses of $12)
From January 31, 2023 to April 30, 2023 Exercise of stock options Vesting of restricted stock units Issuance of common stock for employee 401(k) plan match
From October 31, 2022 to January 31, 2023 Vesting of performance stock units
From January 31, 2022 to April 30, 2022 Exercise of stock options Issuance of common stock for employee 401(k) plan match
From January 31, 2021 To April 30, 2021 Exercise of stock options Vesting of restricted stock Issuance of common stock for employee 401(k) plan match
From October 31, 2020 to January 31, 2021 Issuance of common stock for bonus payments
From July 31, 2019 to July 31, 2020 Vesting of restricted stock Issuance of common stock for share-based compensation Issuance of common stock for employee 401(k) plan match
From January 31, 2020 to April 30, 2020 Issuance of common stock for employee 401(k) plan match
from October 31, 2019 to January 31, 2020 Vesting of restricted stock
from January 31, 2019 to April 30, 2019 Issuance of common stock for employee 401(k) plan match
from July 31, 2018 to January 31, 2019 Vesting of restricted stock Exercise of stock options Net issuance of common stock for options exercised by Directors
from July 31, 2018 to October 31, 2018 Vesting of restricted stock Exercise of stock options
from July 31, 2017 to July 31, 2018 Vesting of restricted stock Issuance of common stock for employee 401(k) plan match Cashless options exercise and issuance of Treasury stock Exercise of stock options
from July 31, 2017 to April 30, 2018 Cashless options exercise Vesting of restricted stock Exercise of stock options Issuance of common stock and treasury stock for employee 401(k) plan match
from July 31, 2017 to January 31, 2018 Cashless option exercise Vesting of restricted stock Exercise of stock options
from July 31, 2017 to October 31, 2017 Vesting of restricted stock Exercise of stock options
from July 31, 2016 to July 31, 2017 Vesting of restricted stock Issuance of common stock for employee 401(k) plan match Exercise of stock options
from July 31, 2016 to April 30, 2017 Vesting of restricted stock Exercise of stock options Issuance of common stock for 401(k) plan match
from July 31, 2016 to January 31, 2017 Vesting of restricted stock Exercise of stock options
From July 31, 2016 to October 31, 2016 Vesting of restricted stock Exercise of stock options
From July 31, 2015 to July 31, 2016 Vesting of restricted stock Issuance of common stock for employee 401(k) plan match Exercise of stock options
From July 31, 2015 to April 30, 2016 Vesting of restricted stock Exercise of stock options Issuance of common stock 401(K) plan match
from July 31, 2015 to January 31, 2016 Vesting of restricted stock Exercise of stock options
from July 31, 2015 to October 31, 2015 Vesting of restricted stock
from July 31, 2014 to July 31, 2015 Vesting of restricted stock Net proceeds from Issuance of common stock (net of expenses of $207) Issuance of common stock for employee 401(k) plan match
from July 31, 2014 to April 30, 2015 Vesting of restricted stock Net proceeds from issuance of common stock (net of expenses of $207) Issuance of common stock 401(k) plan match
from July 31, 2014 to January 31, 2015 Vesting of restricted stock Net proceeds from issuance of common stock (net of expenses of $169)
from July 31, 2014 to October 31, 2014 Vesting of restricted stock Net proceeds from issuance of common stock (net of expenses of $82)
from July 31, 2013 to July 31, 2014 Vesting of restricted stock Net proceeds from Issuance of common stock (net of expenses of $357) Issuance of common stock for employee 401(k) plan match
from July 31, 2013 to April 30, 2014 Vesting of restricted stock Net proceeds from issuance of common stock Issuance of stock for employee 401(k) plan match
from July 31, 2013 to January 31, 2014 Vesting of restricted stock Net proceeds from issuance of common stock
From July 31, 2013 to October 31, 2013 Vesting of restricted stock Net proceeds from issuance of common stock
from July 31, 2012 to July 31, 2013 Vesting of restricted stock Net proceeds from Issuance of common stock (net of expenses of $224) Issuance of common stock for employee 401(k) plan match Issuance of treasury stock for employee 401(k) plan match
From July 31, 2012 to April 30, 2013 Vesting of restricted stock Net proceeds from issuance of common stock Issuance of common stock for employee 401(k) plan match
from July 31, 2012 to January 31, 2013 Vesting of restricted stock
from July 31, 2012 to October 31, 2012 Vesting of restricted stock
from July 31, 2011 to July 31, 2012 Vesting of restricted stock Issuance of common stock for services Issuance of treasury stock for employee 401(k) plan match
from July 31, 2011 to April 30, 2012 Vesting of restricted stock Issuance of treasury stock for employee 401(k) plan match
from July 31, 2011 to January 31, 2012 Vesting of restricted stock
from July 31, 2011 to October 31, 2011 Vesting of restricted stock
from July 31,2010 to July 31,2011 Vesting of restricted stock Issuance of treasury stock for employee 401(k) plan match
from July 31, 2010 to April 30, 2011 Vesting of restricted stock Issuance of treasury stock for employee 401(k) plan match
from July 31, 2010 to January 31, 2011 Vesting of restricted stock
Vesting of restricted stock
from July 31, 2009 to July 31, 2010 Vesting of restricted stock Issuance of treasury stock for employee 401(k) plan match
from July 31, 2009 to April 30, 2010 Vesting of restricted stock Issuance of treasury stock for employee 401(k) plan match
from July 31, 2008 to July 31, 2009 Exercise of stock options Vesting of restricted stock Purchase of treasury stock Issuance of treasury stock for employee 401(k) plan match
from July 31, 2007 to July 31, 2008 Purchase of treasury stock Exercise of stock options Vesting of restricted stock Issuance of stock for employee 401(k) plan match Issuance of stock for acquisition
from July 31, 2006 to July 31, 2007 Net proceeds from issuance of common stock Exercise of stock options Issuance of stock for employee 401(k) plan match Vesting of restricted stock
from July 31, 2005 to July 31, 2006 Realized loss on available-for-sale securities, net of tax Surrender of common stock for exercise of stock options Exercise of stock options Issuance of stock for employee 401(k) plan match Share based compensation charges Stock options issued for consulting services
from July 31, 2004 to July 31, 2005 Increase in common stock and paid-in capital due to exercise of stock options Issuance of stock for employee 401(k) plan match Purchase of treasury stock
from July 31, 2003 to July 31, 2004 Increase in common stock and paid-in capital due to exercise of stock options Issuance of stock for employee 401(k) plan Purchase of treasury stock
from July 31, 2002 to July 31, 2003 5% stock dividend (fair value on date declared) Increase in common stock and paid-in capital due to exercise of stock options Issuance of stock for employee 401(k) plan
from July 31, 2001 to July 31, 2002 Issuance of stock for employee 401(k) plan Increase in common stock and pain-in capital due to exercise of stock options 5% stock dividend (fair value on date declared)
from July 31, 2000 to July 31, 2001 Issuance of stock for employee 401(k) plan Increase in common stock and paid-in capital due to exercise of stock options and warrants 5% stock dividend (fair value on date declared)
from July 31, 1999 to July 31, 2000 Increase in common stock and paid-in capital due to exercise of stock options and warrants Issuance of stock for employee 401(k) plan
from July 31, 1998 to July 31, 1999 Increase in common stock and paid in capital due to exercise of stock options and warrants Issurance of stock for employee 401(k) plan
from July 31, 1997 to July 31, 1998 Issuance of stock for employee 401(k) plan Increase in common stock and paid-in capital due to exercise of stock options and warrants
from July 31, 1996 to July 31, 1997 Increase in common stock and paid-in capital due to exchange of stock for debt, net of offering costs Increase in common stock and paid-in capital due to exercise of stock options and warrants Issuance of stock for employee 401(k) plan Increase in common stock and paid-in capital due to 5% stock dividend
from July 31, 1995 to July 31, 1996 Increase in common stock and paid-in capital due to exercise of stock options and warrants Issuance of stock for employee 401(k) plan
from July 31, 1994 to July 31, 1995 Increase in common stock and paid-in capital due to 5% stock dividend Increase in common stock and paid-in capital due to exchange of stock for debt Increase in common stock and paid-in capital due to exercise of stock options
from July 31, 1993 to July 31, 1994 Increase in common stock and paid-in capital due to exchange of stock for debt, net of expenses of approximately Increase in common stock due to investment from investor,net of expenses of approximately $17,000 Increase in common stock and paid-in capital due to exercise of stock options Increase in common stock and paid-in capital due to debenture conversion
from July 31, 1992 to July 31, 1993 Increase in common stock and paid-in capital due to exchange of stock for debt, net of expenses of 4,947,800 Increase in common stock and paid-in capital due to exercise of stock options Increase in common stock and paid-in capital due to debenture conversion