股本结构
单位:万股
| 公告日期 | 2025-12-09 | 2025-12-09 | 2025-09-09 | 2025-09-09 | 2025-06-27 | 2025-06-27 |
|---|---|---|---|---|---|---|
| 证券总股本 | 5219.49 | 5169.40 | 5239.10 | 5177.00 | 5192.10 | 5145.80 |
| 普通股本 | 5219.49 | 5169.40 | 5239.10 | 5177.00 | 5192.10 | 5145.80 |
| 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 | 2025-12-04 | 2025-10-31 | 2025-09-03 | 2025-07-31 | 2025-06-20 | 2025-04-30 |
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 |
|---|---|---|---|---|
| 2025-12-09 | 5219.49 | 未披露 | 定期报告 | 2025-12-04 |
| 2025-12-09 | 5169.40 | 未披露 |
更多>>
From July 31, 2025 to October 31, 2025
Purchase of stock
Issuance of stock
|
2025-10-31 |
| 2025-09-09 | 5239.10 | 未披露 | 定期报告 | 2025-09-03 |
| 2025-09-09 | 5177.00 | 未披露 |
更多>>
From April 30, 2025 to July 31, 2025
Purchase of stock
Issuance of stock
|
2025-07-31 |
| 2025-06-27 | 5192.10 | 未披露 | 定期报告 | 2025-06-20 |
| 2025-06-27 | 5145.80 | 未披露 |
更多>>
From April 30, 2024 to April 30, 2025
Purchase of stock
Issuance of stock
|
2025-04-30 |
| 2025-03-11 | 5164.59 | 未披露 | 定期报告 | 2025-03-04 |
| 2025-03-11 | 5157.30 | 未披露 |
更多>>
From October 31, 2024 to January 31, 2025
Issuance of stock
Purchase of stock
|
2025-01-31 |
| 2024-12-09 | 5158.30 | 未披露 | 定期报告 | 2024-12-03 |
| 2024-12-09 | 5174.80 | 未披露 |
更多>>
From July 31, 2024 to October 31, 2024
Purchase of stock
Issuance of stock
|
2024-10-31 |
| 2024-09-06 | 5201.06 | 未披露 | 定期报告 | 2024-09-03 |
| 2024-09-06 | 5215.40 | 未披露 |
更多>>
From April 30, 2024 to July 31, 2024
Issuance of stock
Purchase of stock
|
2024-07-31 |
| 2024-06-28 | 5180.80 | 未披露 | 定期报告 | 2024-06-20 |
| 2024-06-28 | 5198.30 | 未披露 |
更多>>
From April 30, 2023 to April 30, 2024
Issuance of stock
Purchase of stock
|
2024-04-30 |
| 2024-03-08 | 5218.02 | 未披露 | 定期报告 | 2024-03-04 |
| 2024-03-08 | 5234.50 | 未披露 |
更多>>
From October 31, 2023 to January 31, 2024
Purchase of stock
Issuance of stock
|
2024-01-31 |
| 2023-12-08 | 5254.11 | 未披露 | 定期报告 | 2023-12-04 |
| 2023-12-08 | 5265.60 | 未披露 |
更多>>
From July 31, 2023 to October 31, 2023
Purchase of stock
Issuance of stock
|
2023-10-31 |
| 2023-09-08 | 5270.46 | 未披露 | 定期报告 | 2023-09-05 |
| 2023-09-08 | 5270.50 | 未披露 |
更多>>
From April 30, 2023 to July 31, 2023
Purchase of stock
Issuance of stock
|
2023-07-31 |
| 2023-06-28 | 5218.10 | 未披露 | 定期报告 | 2023-06-22 |
| 2023-06-28 | 5226.90 | 未披露 |
更多>>
From April 30, 2022 to April 30, 2023
Issuance of stock
Purchase of stock
|
2023-04-30 |
| 2023-03-10 | 5240.91 | 未披露 | 定期报告 | 2023-03-06 |
| 2023-03-10 | 5252.20 | 未披露 |
更多>>
From October 31, 2022 to January 31, 2023
Issuance of stock
Purchase of stock
|
2023-01-31 |
| 2022-12-09 | 5271.00 | 未披露 | 定期报告 | 2022-12-02 |
| 2022-12-08 | 5290.90 | 未披露 | 定期报告 | 2022-10-31 |
| 2022-09-08 | 5337.99 | 未披露 | 定期报告 | 2022-09-02 |
| 2022-09-08 | 5350.19 | 未披露 |
更多>>
From April 30, 2022 to July 31, 2022
Issuance of stock
Purchase of stock
|
2022-07-31 |
| 2022-08-11 | 5460.81 | 未披露 | 定期报告 | 2022-07-29 |
| 2022-06-28 | 5301.94 | 未披露 | 定期报告 | 2022-06-22 |
| 2022-06-28 | 5319.00 | 未披露 |
更多>>
From April 30, 2021 to April 30, 2022
Purchase of stock
Issuance of stock
Stock-based compensation
|
2022-04-30 |
| 2022-03-11 | 5390.29 | 未披露 | 定期报告 | 2022-03-04 |
| 2022-03-11 | 5421.60 | 未披露 |
更多>>
From October 31, 2021 to January 31, 2022
Purchase of stock
Issuance of stock
Stock-based compensation
|
2022-01-31 |
| 2021-12-09 | 5441.42 | 未披露 | 定期报告 | 2021-12-03 |
| 2021-12-09 | 5446.60 | 未披露 |
更多>>
From July 31, 2021 to October 31, 2021
Purchase of stock
Issuance of stock
|
2021-10-31 |
| 2021-09-08 | 5450.60 | 未披露 | 定期报告 | 2021-09-02 |
| 2021-08-13 | 5564.72 | 未披露 | 定期报告 | 2021-08-02 |
| 2021-09-08 | 5450.60 | 未披露 |
更多>>
From April 30, 2021 to July 31, 2021
Purchase of stock
Issuance of stock
|
2021-07-31 |
| 2021-06-28 | 5401.02 | 未披露 | 定期报告 | 2021-06-22 |
| 2021-06-28 | 5400.80 | 未披露 |
更多>>
From April 30, 2020 To April 30, 2021
Purchase of stock
Issuance of stock
Stock-based compensation
|
2021-04-30 |
| 2021-03-11 | 5400.68 | 未披露 | 定期报告 | 2021-03-05 |
| 2021-03-11 | 5399.70 | 未披露 |
更多>>
From October 31, 2020 to January 31, 2021
Purchase of stock
Issuance of stock
|
2021-01-31 |
| 2020-12-09 | 5393.79 | 未披露 | 定期报告 | 2020-12-02 |
| 2020-12-09 | 5415.30 | 未披露 |
更多>>
From July 31, 2020 to October 31, 2020
Purchase of stock
Issuance of stock
Stock-based compensation
|
2020-10-31 |
| 2020-09-08 | 5478.11 | 未披露 | 定期报告 | 2020-09-02 |
| 2020-09-08 | 5486.90 | 未披露 |
更多>>
From April 30, 2020 to July 31, 2020
Purchase of stock
Issuance of stock
|
2020-07-31 |
| 2020-08-12 | 5626.31 | 未披露 | 定期报告 | 2020-07-29 |
| 2020-07-15 | 5463.86 | 未披露 | 定期报告 | 2020-07-08 |
| 2020-07-15 | 5445.00 | 未披露 |
更多>>
From April 30, 2019 to April 30, 2020
Purchase of stock
Issuance of stock
|
2020-04-30 |
| 2020-03-11 | 5504.45 | 未披露 | 定期报告 | 2020-03-05 |
| 2020-03-11 | 5525.80 | 未披露 |
更多>>
from October 31, 2019 to January 31, 2020
Purchase of stock
Issuance of stock
|
2020-01-31 |
| 2019-12-06 | 5523.05 | 未披露 | 定期报告 | 2019-12-02 |
| 2019-12-06 | 5531.50 | 未披露 |
更多>>
from July 31, 2019 to October 31, 2019
Purchase of stock
Issuance of stock
|
2019-10-31 |
| 2019-09-06 | 5597.58 | 未披露 | 定期报告 | 2019-09-03 |
| 2019-08-20 | 5705.35 | 未披露 | 定期报告 | 2019-08-05 |
| 2019-09-06 | 5659.60 | 未披露 |
更多>>
from April 30, 2019 to July 31, 2019
Purchase of stock
Issuance of stock
|
2019-07-31 |
| 2019-06-28 | 5643.61 | 未披露 | 定期报告 | 2019-06-21 |
| 2019-06-28 | 5643.10 | 未披露 |
更多>>
from April 30, 2018 to April 30, 2019
Purchase of stock
Issuance of stock
|
2019-04-30 |
| 2019-03-11 | 5642.94 | 未披露 | 定期报告 | 2019-03-05 |
| 2019-03-11 | 5642.00 | 未披露 |
更多>>
From October 31, 2018 to January 31, 2019
Purchase of stock
Issuance of stock
|
2019-01-31 |
| 2018-12-07 | 5667.51 | 未披露 | 定期报告 | 2018-12-03 |
| 2018-12-07 | 5651.10 | 未披露 |
更多>>
From July 31, 2018 to October 31, 2018
Purchase of stock
Issuance of stock
|
2018-10-31 |
| 2018-09-07 | 5694.06 | 未披露 | 定期报告 | 2018-09-04 |
| 2018-09-07 | 5693.80 | 未披露 |
更多>>
From April 30, 2018 to July 31, 2018
Purchase of stock
Issuance of stock
|
2018-07-31 |
| 2018-06-28 | 5652.16 | 未披露 | 定期报告 | 2018-06-21 |
| 2018-06-28 | 5651.70 | 未披露 |
更多>>
From April 30, 2017 to April 30, 2018
Purchase of stock
Issuance of stock
|
2018-04-30 |
| 2018-03-09 | 5652.49 | 未披露 | 定期报告 | 2018-03-05 |
| 2018-03-09 | 5651.80 | 未披露 | 定期报告 | 2018-01-31 |
| 2017-12-08 | 5651.29 | 未披露 | 定期报告 | 2017-12-04 |
| 2017-12-06 | 5651.10 | 未披露 | 定期报告 | 2017-10-31 |
| 2017-09-08 | 5649.25 | 未披露 | 定期报告 | 2017-09-05 |
| 2017-08-18 | 5781.75 | 未披露 | 定期报告 | 2017-08-04 |
| 2017-09-06 | 5724.60 | 未披露 | 定期报告 | 2017-07-31 |
| 2017-06-28 | 5695.41 | 未披露 | 定期报告 | 2017-06-20 |
| 2017-06-28 | 5693.80 | 未披露 |
更多>>
from April 30, 2016 to April 30, 2017
Purchase of stock
Issuance of stock
|
2017-04-30 |
| 2017-03-10 | 5716.12 | 未披露 | 定期报告 | 2017-03-06 |
| 2017-03-06 | 5732.60 | 未披露 | 定期报告 | 2017-01-31 |
| 2016-12-09 | 5742.22 | 未披露 | 定期报告 | 2016-12-05 |
| 2016-12-07 | 5760.10 | 未披露 | 定期报告 | 2016-10-31 |
| 2016-09-09 | 5790.17 | 未披露 | 定期报告 | 2016-09-06 |
| 2016-08-26 | 5833.39 | 未披露 | 定期报告 | 2016-08-17 |
| 2016-09-08 | 5789.80 | 未披露 | 定期报告 | 2016-07-31 |
| 2016-06-28 | 5730.42 | 未披露 | 定期报告 | 2016-06-22 |
| 2016-06-28 | 5727.20 | 未披露 |
更多>>
from April 30, 2015 to April 30, 2016
Purchase of stock
Issuance of stock
|
2016-04-30 |
| 2016-03-10 | 5728.37 | 未披露 | 定期报告 | 2016-03-04 |
| 2016-03-09 | 5727.00 | 未披露 | 定期报告 | 2016-01-31 |
| 2015-12-10 | 5128.92 | 未披露 | 定期报告 | 2015-12-04 |
| 2015-12-09 | 5128.70 | 未披露 | 定期报告 | 2015-10-31 |
| 2015-09-09 | 5120.12 | 未披露 | 定期报告 | 2015-09-01 |
| 2015-08-14 | 5157.19 | 未披露 | 定期报告 | 2015-08-10 |
| 2015-09-08 | 5119.50 | 未披露 | 定期报告 | 2015-07-31 |
| 2015-06-26 | 5062.68 | 未披露 | 定期报告 | 2015-06-19 |
| 2015-06-26 | 5057.30 | 未披露 |
更多>>
from April 30, 2014 to April 30, 2015
Purchase of stock
Issuance of stock
|
2015-04-30 |
| 2015-03-11 | 5041.33 | 未披露 | 定期报告 | 2015-03-05 |
| 2015-03-09 | 5039.10 | 未披露 | 定期报告 | 2015-01-31 |
| 2014-12-10 | 5036.71 | 未披露 | 定期报告 | 2014-12-05 |
| 2014-12-09 | 5036.40 | 未披露 | 定期报告 | 2014-10-31 |
| 2014-09-09 | 5029.90 | 未披露 | 定期报告 | 2014-09-03 |
| 2014-08-22 | 5028.56 | 未披露 | 定期报告 | 2014-08-08 |
| 2014-09-08 | 5028.60 | 未披露 | 定期报告 | 2014-07-31 |
| 2014-06-27 | 4985.55 | 未披露 | 定期报告 | 2014-06-20 |
| 2014-06-27 | 4981.10 | 未披露 |
更多>>
from April 30, 2013 to April 30, 2014
Purchase of stock
Issuance of stock
|
2014-04-30 |
| 2014-03-11 | 4973.33 | 未披露 | 定期报告 | 2014-03-06 |
| 2014-03-11 | 4970.70 | 未披露 | 定期报告 | 2014-01-31 |
| 2013-12-09 | 4947.29 | 未披露 | 定期报告 | 2013-12-04 |
| 2013-12-04 | 4944.10 | 未披露 | 定期报告 | 2013-10-31 |
| 2013-09-06 | 4931.39 | 未披露 | 定期报告 | 2013-09-03 |
| 2013-08-16 | 4929.57 | 未披露 | 定期报告 | 2013-08-01 |
| 2013-09-05 | 4929.60 | 未披露 | 定期报告 | 2013-07-31 |
| 2013-06-25 | 4881.32 | 未披露 | 定期报告 | 2013-06-18 |
| 2013-06-25 | 4873.40 | 未披露 |
更多>>
From April 30, 2012 to April 30, 2013
Purchase of stock
Issuance of stock
|
2013-04-30 |
| 2013-03-12 | 4868.09 | 未披露 | 定期报告 | 2013-03-06 |
| 2013-03-12 | 4863.00 | 未披露 | 定期报告 | 2013-01-31 |
| 2012-12-10 | 4859.91 | 未披露 | 定期报告 | 2012-12-05 |
| 2012-12-06 | 4859.00 | 未披露 | 定期报告 | 2012-10-31 |
| 2012-09-10 | 4848.76 | 未披露 | 定期报告 | 2012-09-04 |
| 2012-08-27 | 4843.16 | 未披露 | 定期报告 | 2012-08-15 |
| 2012-09-05 | 4843.00 | 未披露 | 定期报告 | 2012-07-31 |
| 2012-06-22 | 4795.57 | 未披露 | 定期报告 | 2012-06-18 |
| 2012-06-22 | 4791.30 | 未披露 |
更多>>
from April 30, 2011 to April 30, 2012
Purchase of stock
Issuance of stock
|
2012-04-30 |
| 2012-03-12 | 4781.55 | 未披露 | 定期报告 | 2012-03-05 |
| 2012-03-12 | 4778.40 | 未披露 | 定期报告 | 2012-01-31 |
| 2011-12-12 | 4776.55 | 未披露 | 定期报告 | 2011-12-06 |
| 2011-12-08 | 4775.60 | 未披露 | 定期报告 | 2011-10-31 |
| 2011-09-09 | 4772.01 | 未披露 | 定期报告 | 2011-09-06 |
| 2011-09-08 | 4772.00 | 未披露 | 定期报告 | 2011-07-31 |
| 2011-06-29 | 4708.33 | 未披露 | 定期报告 | 2011-06-27 |
| 2011-06-29 | 4700.30 | 未披露 |
更多>>
from April 30 2010 to April 30 2011
Exercise of warrants
Purchase of stock
Issuance of stock
|
2011-04-30 |
| 2011-03-14 | 4696.78 | 未披露 | 定期报告 | 2011-03-10 |
| 2011-03-14 | 4681.70 | 未披露 | 定期报告 | 2011-01-31 |
| 2010-12-10 | 4640.23 | 未披露 | 定期报告 | 2010-12-07 |
| 2010-12-10 | 4638.80 | 未披露 | 定期报告 | 2010-10-31 |
| 2010-09-09 | 4628.89 | 未披露 | 定期报告 | 2010-09-07 |
| 2010-09-09 | 4643.50 | 未披露 | 定期报告 | 2010-07-31 |
| 2010-06-29 | 4544.93 | 未披露 | 定期报告 | 2010-06-25 |
| 2010-06-29 | 4597.90 | 未披露 |
更多>>
From Apr 30 2009 to Apr 30 2010
Purchase of stock
Issuance of stock
|
2010-04-30 |
| 2009-06-29 | 4477.01 | 未披露 | 定期报告 | 2009-06-26 |
| 2009-06-29 | 4472.90 | 未披露 |
更多>>
from April 30, 2008 to April 30, 2009
Purchase of stock
Issuance of stock
Stock-based compensation
Tax benefit from exercise of stock options
|
2009-04-30 |
| 2008-06-30 | 4644.30 | 未披露 | 定期报告 | 2008-06-25 |
| 2008-06-30 | 4459.30 | 未披露 |
更多>>
from April 30, 2007 to April 30, 2008
Purchase of stock
Issuance of stock
Variable stock-based compensation
Stock-based compensation
Tax benefit from exercise of stock options
Purchase of minority shares
|
2008-04-30 |
| 2007-06-29 | 4764.25 | 未披露 | 定期报告 | 2007-06-27 |
| 2007-06-29 | 4717.40 | 未披露 |
更多>>
from April 30, 2006 to April 30, 2007
Purchase of stock
Issuance of stock
Conversion of 7.5% Convertible Series A Preferred Stock
Conversion of 7.5% Convertible Subordinated Notes
Issuance of restricted stock
Forfeiture of restricted stock
Variable stock-based compensation
Stock-based compensation
Tax benefit from exercise of stock options
|
2007-04-30 |
| 2006-07-14 | 4291.06 | 未披露 | 定期报告 | 2006-07-07 |
| 2006-07-14 | 4120.10 | 未披露 |
更多>>
from April 30, 2005 to April 30, 2006
Purchase of stock
Issuance of stock
Issuance of restricted stock
Variable stock-based compensation
Tax benefit from exercise of stock options
|
2006-04-30 |
| 2005-07-14 | 4037.98 | 未披露 | 定期报告 | 2005-07-05 |
| 2005-07-14 | 3988.80 | 未披露 |
更多>>
from April 30, 2004 to April 30, 2005
Purchase of stock
Issuance of stock
Issuance of restricted stock
Variable stock-based compensation
Tax benefit from exercise of stock options
|
2005-04-30 |
| 2004-07-14 | 3872.37 | 未披露 | 定期报告 | 2004-07-12 |
| 2004-07-14 | 3817.00 | 未披露 |
更多>>
from April 30, 2003 to April 30, 2004
Purchase of stock
Issuance of stock
Issuance of restricted stock
Forfeiture of restricted stock
Tax benefit from exercise of stock options
|
2004-04-30 |
| 2003-07-22 | 3760.68 | 未披露 | 定期报告 | 2003-07-16 |
| 2003-07-22 | 3759.00 | 未披露 |
更多>>
from April 30, 2002 to April 30, 2003
Purchase of stock
Issuance of stock
Issuance of restricted stock
Forfeiture of restricted stock
Variable stock-based compensation
Issuance of warrants
|
2003-04-30 |
| 2002-07-29 | 3786.09 | 未披露 | 定期报告 | 2002-07-26 |
| 2002-07-29 | 3786.90 | 未披露 |
更多>>
from April 30, 2001 to April 30, 2002
Purchase of stock
Issuance of stock
Issuance of restricted stock
Forfeiture of restricted stock
|
2002-04-30 |
| 2001-07-30 | 3750.15 | 未披露 | 定期报告 | 2001-07-26 |
| 2001-07-30 | 3751.60 | 未披露 |
更多>>
from April 30,2000 to April 30,2001
Purchase of stock
Issuance of stock
|
2001-04-30 |
| 2000-07-31 | 3755.34 | 未披露 | 定期报告 | 2000-07-28 |
| 2000-07-31 | 3674.80 | 未披露 |
更多>>
FROM April 30,1999 TO April 30,2000
Purchase of stock
Issuance of stock
|
2000-04-30 |
| 1999-07-28 | 3563.26 | 未披露 | 定期报告 | 1999-07-23 |
| 1999-07-28 | 3563.30 | 未披露 |
更多>>
from April 30,1998 to April 30,1999
Purchase of Stock
Issuance of Stock
Initial public offering related charge
Release of book value restriction
|
1999-04-30 |
From July 31, 2025 to October 31, 2025
Purchase of stock
Issuance of stock
From April 30, 2025 to July 31, 2025
Purchase of stock
Issuance of stock
From April 30, 2024 to April 30, 2025
Purchase of stock
Issuance of stock
From October 31, 2024 to January 31, 2025
Issuance of stock
Purchase of stock
From July 31, 2024 to October 31, 2024
Purchase of stock
Issuance of stock
From April 30, 2024 to July 31, 2024
Issuance of stock
Purchase of stock
From April 30, 2023 to April 30, 2024
Issuance of stock
Purchase of stock
From October 31, 2023 to January 31, 2024
Purchase of stock
Issuance of stock
From July 31, 2023 to October 31, 2023
Purchase of stock
Issuance of stock
From April 30, 2023 to July 31, 2023
Purchase of stock
Issuance of stock
From April 30, 2022 to April 30, 2023
Issuance of stock
Purchase of stock
From October 31, 2022 to January 31, 2023
Issuance of stock
Purchase of stock
From April 30, 2022 to July 31, 2022
Issuance of stock
Purchase of stock
From April 30, 2021 to April 30, 2022
Purchase of stock
Issuance of stock
Stock-based compensation
From October 31, 2021 to January 31, 2022
Purchase of stock
Issuance of stock
Stock-based compensation
From July 31, 2021 to October 31, 2021
Purchase of stock
Issuance of stock
From April 30, 2021 to July 31, 2021
Purchase of stock
Issuance of stock
From April 30, 2020 To April 30, 2021
Purchase of stock
Issuance of stock
Stock-based compensation
From October 31, 2020 to January 31, 2021
Purchase of stock
Issuance of stock
From July 31, 2020 to October 31, 2020
Purchase of stock
Issuance of stock
Stock-based compensation
From April 30, 2020 to July 31, 2020
Purchase of stock
Issuance of stock
From April 30, 2019 to April 30, 2020
Purchase of stock
Issuance of stock
from October 31, 2019 to January 31, 2020
Purchase of stock
Issuance of stock
from July 31, 2019 to October 31, 2019
Purchase of stock
Issuance of stock
from April 30, 2019 to July 31, 2019
Purchase of stock
Issuance of stock
from April 30, 2018 to April 30, 2019
Purchase of stock
Issuance of stock
From October 31, 2018 to January 31, 2019
Purchase of stock
Issuance of stock
From July 31, 2018 to October 31, 2018
Purchase of stock
Issuance of stock
From April 30, 2018 to July 31, 2018
Purchase of stock
Issuance of stock
From April 30, 2017 to April 30, 2018
Purchase of stock
Issuance of stock
from April 30, 2016 to April 30, 2017
Purchase of stock
Issuance of stock
from April 30, 2015 to April 30, 2016
Purchase of stock
Issuance of stock
from April 30, 2014 to April 30, 2015
Purchase of stock
Issuance of stock
from April 30, 2013 to April 30, 2014
Purchase of stock
Issuance of stock
From April 30, 2012 to April 30, 2013
Purchase of stock
Issuance of stock
from April 30, 2011 to April 30, 2012
Purchase of stock
Issuance of stock
from April 30 2010 to April 30 2011
Exercise of warrants
Purchase of stock
Issuance of stock
From Apr 30 2009 to Apr 30 2010
Purchase of stock
Issuance of stock
from April 30, 2008 to April 30, 2009
Purchase of stock
Issuance of stock
Stock-based compensation
Tax benefit from exercise of stock options
from April 30, 2007 to April 30, 2008
Purchase of stock
Issuance of stock
Variable stock-based compensation
Stock-based compensation
Tax benefit from exercise of stock options
Purchase of minority shares
from April 30, 2006 to April 30, 2007
Purchase of stock
Issuance of stock
Conversion of 7.5% Convertible Series A Preferred Stock
Conversion of 7.5% Convertible Subordinated Notes
Issuance of restricted stock
Forfeiture of restricted stock
Variable stock-based compensation
Stock-based compensation
Tax benefit from exercise of stock options
from April 30, 2005 to April 30, 2006
Purchase of stock
Issuance of stock
Issuance of restricted stock
Variable stock-based compensation
Tax benefit from exercise of stock options
from April 30, 2004 to April 30, 2005
Purchase of stock
Issuance of stock
Issuance of restricted stock
Variable stock-based compensation
Tax benefit from exercise of stock options
from April 30, 2003 to April 30, 2004
Purchase of stock
Issuance of stock
Issuance of restricted stock
Forfeiture of restricted stock
Tax benefit from exercise of stock options
from April 30, 2002 to April 30, 2003
Purchase of stock
Issuance of stock
Issuance of restricted stock
Forfeiture of restricted stock
Variable stock-based compensation
Issuance of warrants
from April 30, 2001 to April 30, 2002
Purchase of stock
Issuance of stock
Issuance of restricted stock
Forfeiture of restricted stock
from April 30,2000 to April 30,2001
Purchase of stock
Issuance of stock
FROM April 30,1999 TO April 30,2000
Purchase of stock
Issuance of stock
from April 30,1998 to April 30,1999
Purchase of Stock
Issuance of Stock
Initial public offering related charge
Release of book value restriction