股本结构
单位：万股
| 公告日期 | 2025-11-05 | 2025-11-05 | 2025-08-06 | 2025-08-06 | 2025-05-08 | 2025-05-08 |
|---|---|---|---|---|---|---|
| 证券总股本 | 19508.10 | 19506.82 | 19829.55 | 19794.10 | 19790.61 | 19788.96 |
| 普通股本 | 19508.10 | 19506.82 | 19829.55 | 19794.10 | 19790.61 | 19788.96 |
| 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 | 2025-10-31 | 2025-09-30 | 2025-07-31 | 2025-06-30 | 2025-04-30 | 2025-03-31 |
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 |
|---|---|---|---|---|
| 2025-11-05 | 19508.10 | 未披露 | 定期报告 | 2025-10-31 |
| 2025-11-05 | 19506.82 | 未披露 |
更多>>
20250630-20250930
普通股的回购和注销
股票发行及其他，净额
|
2025-09-30 |
| 2025-08-06 | 19829.55 | 未披露 | 定期报告 | 2025-07-31 |
| 2025-08-06 | 19794.10 | 未披露 |
更多>>
20250331-20250630
股票发行及其他，净额
|
2025-06-30 |
| 2025-05-08 | 19790.61 | 未披露 | 定期报告 | 2025-04-30 |
| 2025-04-25 | 19789.83 | 未披露 | 定期报告 | 2025-04-17 |
| 2025-05-08 | 19788.96 | 未披露 |
更多>>
20241231-20250331
股票发行及其他，净额
|
2025-03-31 |
| 2025-02-26 | 17117.07 | 未披露 | 定期报告 | 2025-01-31 |
| 2024-12-10 | 17082.01 | 未披露 | 定期报告 | 2024-12-05 |
| 2024-11-06 | 17076.66 | 未披露 | 定期报告 | 2024-10-31 |
| 2024-12-23 | 17076.65 | 未披露 | 定期报告 | 2024-10-23 |
| 2024-11-06 | 17076.37 | 未披露 |
更多>>
From June 30, 2024 to September 30, 2024
Stock issuances and other, net
|
2024-09-30 |
| 2024-08-08 | 17064.04 | 未披露 | 定期报告 | 2024-07-31 |
| 2024-08-08 | 17032.96 | 未披露 | 定期报告 | 2024-06-30 |
| 2024-05-08 | 17030.70 | 未披露 | 定期报告 | 2024-04-30 |
| 2024-04-24 | 17030.56 | 未披露 | 定期报告 | 2024-04-18 |
| 2024-04-24 | 17028.71 | 未披露 | 定期报告 | 2024-04-15 |
| 2024-04-26 | 17027.98 | 未披露 | 定期报告 | 2024-04-10 |
| 2024-05-08 | 17203.70 | 未披露 |
更多>>
From December 31, 2023 to March 31, 2024
Stock issuances and other, net
|
2024-03-31 |
| 2024-02-27 | 17193.85 | 未披露 | 定期报告 | 2024-01-31 |
| 2024-02-27 | 17190.98 | 未披露 |
更多>>
From December 31, 2022 to December 31, 2023
Repurchase of Class A common stock
Stock issuances and other, net
Conversions of convertible debt
Effects of reorganization and acquisition
|
2023-12-31 |
| 2023-11-13 | 17168.09 | 未披露 | 定期报告 | 2023-11-14 |
| 2023-11-07 | 17298.96 | 未披露 | 定期报告 | 2023-11-03 |
| 2023-11-07 | 17277.91 | 未披露 |
更多>>
From June 30, 2020 to September 30, 2023
Effects of reorganization and acquisition
|
2023-09-30 |
| 2023-08-02 | 8316.17 | 未披露 | 定期报告 | 2023-07-28 |
| 2023-08-02 | 8290.81 | 未披露 | 定期报告 | 2023-06-30 |
| 2023-05-03 | 7450.14 | 未披露 | 定期报告 | 2023-05-01 |
| 2023-05-03 | 7444.61 | 未披露 |
更多>>
From December 31, 2022 to March 31, 2023
Stock issuances and other, net
|
2023-03-31 |
| 2023-04-07 | 7444.61 | 未披露 | 定期报告 | 2023-03-21 |
| 2023-02-02 | 7444.61 | 未披露 | 定期报告 | 2023-01-31 |
| 2023-02-02 | 7441.64 | 未披露 |
更多>>
From December 31, 2021 to December 31, 2022
Repurchases and retirements of common stock
Stock issuances and other, net
|
2022-12-31 |
| 2022-11-02 | 7439.91 | 未披露 | 定期报告 | 2022-10-31 |
| 2022-08-15 | 7439.56 | 未披露 |
更多>>
From June 30, 2022 to August 11, 2022
Stock issuances and other, net
|
2022-08-11 |
| 2022-08-15 | 7417.48 | 未披露 |
更多>>
From March 31, 2022 to June 30, 2022
Repurchase and retirement of common stock
Stock issuances and other, net
|
2022-06-30 |
| 2022-05-05 | 7434.52 | 未披露 | 定期报告 | 2022-05-03 |
| 2022-05-05 | 7434.13 | 未披露 |
更多>>
From December 31, 2021 to March 31, 2022
Repurchases and retirements of common stock
Stock issuances, net
|
2022-03-31 |
| 2022-04-08 | 7442.76 | 未披露 | 定期报告 | 2022-03-22 |
| 2022-02-03 | 7486.53 | 未披露 | 定期报告 | 2022-02-01 |
| 2022-02-03 | 7483.20 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Repurchases and retirements of common stock
Stock issuances and other, net
|
2021-12-31 |
| 2021-11-04 | 7581.71 | 未披露 | 定期报告 | 2021-10-02 |
| 2021-11-04 | 7581.23 | 未披露 |
更多>>
From June 30, 2021 to September 30, 2021
Repurchase and retirement of common stock
Stock issuances, net
|
2021-09-30 |
| 2021-07-29 | 7624.36 | 未披露 | 定期报告 | 2021-07-27 |
| 2021-07-29 | 7602.73 | 未披露 |
更多>>
From March 31, 2021 to June 30, 2021
Stock issuances and other, net
Repurchase and retirement of common stock
|
2021-06-30 |
| 2021-04-22 | 7636.05 | 未披露 | 定期报告 | 2021-04-20 |
| 2021-04-13 | 7635.65 | 未披露 | 定期报告 | 2021-03-30 |
| 2021-02-04 | 7783.51 | 未披露 | 定期报告 | 2021-02-02 |
| 2021-02-04 | 7779.40 | 未披露 |
更多>>
From December 31,2019 to October 27,2020
Stock issuances and other, net
|
2020-10-27 |
| 2020-07-30 | 7778.70 | 未披露 |
更多>>
From June 30, 2020 to July 27, 2020
Stock issuances, net
|
2020-07-27 |
| 2020-07-30 | 7741.73 | 未披露 |
更多>>
From March 31, 2020 to June 30, 2020
Stock issuances, net
|
2020-06-30 |
| 2020-04-23 | 7741.51 | 未披露 | 定期报告 | 2020-04-21 |
| 2020-04-23 | 7741.02 | 未披露 |
更多>>
From December 31, 2019 to March 31, 2020
Stock issuances, net
|
2020-03-31 |
| 2020-02-07 | 7731.06 | 未披露 | 定期报告 | 2020-02-04 |
| 2020-02-07 | 7728.03 | 未披露 |
更多>>
from December 31, 2018 to December 31, 2019
Repurchases and retirements of common stock
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2019-12-31 |
| 2019-10-31 | 7855.61 | 未披露 | 定期报告 | 2019-10-29 |
| 2019-10-31 | 7855.12 | 未披露 |
更多>>
from June 30, 2019 to September 30, 2019
Repurchase and retirement of common stock
Stock issuances, net
|
2019-09-30 |
| 2019-07-25 | 7866.03 | 未披露 | 定期报告 | 2019-07-23 |
| 2019-07-25 | 7803.68 | 未披露 |
更多>>
from March 31, 2019 to June 30,2019
Repurchase and retirement of common stock
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2019-06-30 |
| 2019-04-25 | 7804.54 | 未披露 | 定期报告 | 2019-04-23 |
| 2019-02-07 | 7804.29 | 未披露 | 定期报告 | 2019-02-05 |
| 2019-02-07 | 7802.48 | 未披露 |
更多>>
from December 31, 2017 to December 31, 2018
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2018-12-31 |
| 2018-10-25 | 7802.48 | 未披露 | 定期报告 | 2018-10-23 |
| 2018-10-25 | 7802.12 | 未披露 |
更多>>
from December 31, 2017 to September 30, 2018
Stock issuances, net
|
2018-09-30 |
| 2018-07-26 | 7797.89 | 未披露 | 定期报告 | 2018-07-24 |
| 2018-07-26 | 7715.93 | 未披露 |
更多>>
from December 31, 2017 to May 1, 2018
Stock issuances, net
|
2018-05-01 |
| 2018-05-03 | 7714.97 | 未披露 |
更多>>
from December 31, 2017 to February 6, 2018
Stock issuances, net
|
2018-02-06 |
| 2018-02-08 | 7710.79 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2017-12-31 |
| 2017-10-26 | 7710.79 | 未披露 | 定期报告 | 2017-10-24 |
| 2017-10-26 | 7710.30 | 未披露 |
更多>>
from December 31, 2016 to September 30, 2017
Stock issuances, net
|
2017-09-30 |
| 2017-07-27 | 7710.23 | 未披露 | 定期报告 | 2017-07-25 |
| 2017-05-04 | 7645.67 | 未披露 | 定期报告 | 2017-05-02 |
| 2017-05-04 | 7644.90 | 未披露 |
更多>>
from December 31, 2016 to February 07, 2017
Stock issuances, net
|
2017-02-07 |
| 2017-02-09 | 7640.47 | 未披露 |
更多>>
from December 31, 2015 to October 26, 2016
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2016-10-26 |
| 2016-10-27 | 7639.82 | 未披露 |
更多>>
from December 31, 2015 to September 30, 2016
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2016-09-30 |
| 2016-07-28 | 7639.82 | 未披露 | 定期报告 | 2016-07-27 |
| 2016-07-28 | 7595.27 | 未披露 |
更多>>
from December 31, 2015 to June 30, 2016
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2016-06-30 |
| 2016-05-10 | 7595.27 | 未披露 | 定期报告 | 2016-05-06 |
| 2016-05-10 | 7594.55 | 未披露 |
更多>>
from December 31, 2015 to March 31, 2016
Stock issuances, net
|
2016-03-31 |
| 2016-02-12 | 7594.55 | 未披露 | 定期报告 | 2016-02-10 |
| 2016-02-12 | 7590.42 | 未披露 |
更多>>
from December 31, 2014 to October 28, 2015
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2015-10-28 |
| 2015-10-29 | 7589.85 | 未披露 |
更多>>
from December 31, 2014 to September 30, 2015
Stock issuances, net
Conversion of Class B common stock by Shareholder
|
2015-09-30 |
| 2015-07-31 | 7589.07 | 未披露 | 定期报告 | 2015-07-29 |
| 2015-07-31 | 7554.30 | 未披露 |
更多>>
From December 31, 2014 to June 30, 2015
Stock issuances, net
|
2015-06-30 |
| 2015-05-01 | 7553.55 | 未披露 | 定期报告 | 2015-04-29 |
| 2015-05-01 | 7553.05 | 未披露 |
更多>>
from December 31, 2014 to February 13,2015
Stock issuances, net
|
2015-02-13 |
| 2015-02-18 | 7547.79 | 未披露 |
更多>>
from December 31, 2013 to December 31, 2014
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2014-12-31 |
| 2014-10-31 | 7547.79 | 未披露 | 定期报告 | 2014-10-29 |
| 2014-10-31 | 7547.17 | 未披露 |
更多>>
from December 31, 2013 to September 30, 2014
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2014-09-30 |
| 2014-08-01 | 7547.17 | 未披露 | 定期报告 | 2014-07-30 |
| 2014-08-01 | 7515.86 | 未披露 |
更多>>
from December 31, 2013 to June 30, 2014
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2014-06-30 |
| 2014-05-02 | 7515.50 | 未披露 | 定期报告 | 2014-04-30 |
| 2014-05-02 | 7514.76 | 未披露 |
更多>>
from December 31,2013 to March 31, 2014
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2014-03-31 |
| 2014-03-14 | 7514.76 | 未披露 | 定期报告 | 2014-03-03 |
| 2014-02-24 | 7514.76 | 未披露 | 定期报告 | 2014-02-20 |
| 2014-02-24 | 7510.06 | 未披露 |
更多>>
from December 31, 2012 to December 31, 2013
Stock issuances (repurchases), net
Conversion of Class B common stock by shareholder
|
2013-12-31 |
| 2013-11-01 | 7509.19 | 未披露 |
更多>>
from December 31, 2012 to September 30, 2013
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2013-09-30 |
| 2013-08-02 | 7509.19 | 未披露 | 定期报告 | 2013-07-31 |
| 2013-08-02 | 7482.28 | 未披露 |
更多>>
From December 31, 2012 to June 30, 2013
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2013-06-30 |
| 2013-05-03 | 7482.28 | 未披露 | 定期报告 | 2013-05-01 |
| 2013-05-03 | 7481.07 | 未披露 |
更多>>
from December 31,2012 to March 31,2013
Stock issuances, net
Conversion of Class B common stock by shareholder
|
2013-03-31 |
| 2013-03-15 | 7475.28 | 未披露 | 定期报告 | 2013-03-04 |
| 2013-03-01 | 7481.07 | 未披露 | 定期报告 | 2013-02-28 |
| 2013-03-01 | 7475.45 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Stock issuances (repurchases), net
Sale of Class B common stock by shareholder
|
2012-12-31 |
| 2012-11-06 | 7475.38 | 未披露 | 定期报告 | 2012-11-02 |
| 2012-11-06 | 7474.50 | 未披露 |
更多>>
from December 31, 2011 to September 30, 2012
Stock issuances, net
Sale of Class B common stock
|
2012-09-30 |
| 2012-08-07 | 7474.50 | 未披露 | 定期报告 | 2012-08-06 |
| 2012-08-07 | 7448.43 | 未披露 |
更多>>
from December 31, 2011 to May 4, 2012
Stock issuances, net
Sale of Class B common stock
|
2012-05-04 |
| 2012-03-01 | 7447.70 | 未披露 | 定期报告 | 2012-02-29 |
| 2012-03-01 | 7441.88 | 未披露 |
更多>>
from December 31, 2010 to December 31, 2011
Stock issuances (repurchases), net
Sale of Class B common stock by shareholder
|
2011-12-31 |
| 2011-11-07 | 7441.88 | 未披露 | 定期报告 | 2011-11-04 |
| 2011-08-08 | 7440.99 | 未披露 | 定期报告 | 2011-08-04 |
| 2011-05-05 | 7406.02 | 未披露 | 定期报告 | 2011-03-31 |
| 2011-03-07 | 7404.82 | 未披露 | 定期报告 | 2011-03-02 |
| 2011-03-07 | 7399.86 | 未披露 |
更多>>
from December 31, 2009 to December 31, 2010
Stock issuances (repurchases), net
Exercise of stock options
|
2010-12-31 |
| 2010-11-08 | 7392.39 | 未披露 | 定期报告 | 2010-10-20 |
| 2010-08-09 | 7351.92 | 未披露 | 定期报告 | 2010-07-19 |
| 2010-02-25 | 7343.50 | 未披露 | 定期报告 | 2010-02-05 |
| 2010-02-25 | 7346.02 | 未披露 |
更多>>
from December 31, 2008 to December 31, 2009
Stock issuances (repurchases), net
Exercise of stock options
|
2009-12-31 |
| 2009-03-02 | 7285.21 | 未披露 | 定期报告 | 2009-02-06 |
| 2009-03-02 | 7279.40 | 未披露 |
更多>>
from December 31, 2007 to December 31, 2008
Stock issuances (repurchases), net
Exercise of stock options
|
2008-12-31 |
| 2008-03-07 | 7190.12 | 未披露 | 定期报告 | 2008-02-22 |
| 2008-03-07 | 7178.82 | 未披露 |
更多>>
from December 31, 2006 to December 31, 2007
Stock issuances (repurchases), net
Exercise of stock options
|
2007-12-31 |
| 2007-03-02 | 7106.19 | 未披露 | 定期报告 | 2007-02-23 |
| 2007-03-02 | 7099.75 | 未披露 |
更多>>
from April 30, 2006 to December 31, 2006
Stock issuances (repurchases), net
Exercise of stock options
|
2006-12-31 |
| 2006-06-29 | 7062.07 | 未披露 | 定期报告 | 2006-06-16 |
| 2006-06-29 | 7055.70 | 未披露 |
更多>>
from April 30, 2005 to April 30, 2006
Stock issuances (repurchases), net
Exercise of stock options
|
2006-04-30 |
| 2005-07-13 | 6889.49 | 未披露 | 定期报告 | 2005-07-01 |
| 2005-07-13 | 6888.07 | 未披露 |
更多>>
from April 30, 2004 to April 30, 2005
Stock issuances (repurchases), net
Exercise of stock options
|
2005-04-30 |
| 2004-07-13 | 6852.46 | 未披露 | 定期报告 | 2004-07-07 |
| 2004-07-13 | 6843.07 | 未披露 |
更多>>
from April 30, 2003 to April 30, 2004
Retirement of treasury stock
Stock repurchase, net of issuance of new shares
Exercise of stock options
|
2004-04-30 |
| 2003-07-03 | 6838.24 | 未披露 | 定期报告 | 2003-06-13 |
| 2003-07-03 | 7041.69 | 未披露 |
更多>>
from April 30, 2002 to April 30, 2003
Purchase of treasury stock
Proceeds from sale of treasury stock
Exercise of stock options
|
2003-04-30 |
| 2002-07-26 | 7058.79 | 未披露 | 定期报告 | 2002-07-10 |
| 2002-07-26 | 7286.44 | 未披露 |
更多>>
from April 30, 2001 to April 30, 2002
Purchase of treasury stock
Exercise of stock options
|
2002-04-30 |
| 2001-07-27 | 7293.24 | 未披露 |
更多>>
from April 30, 2000 to April 30, 2001
Issuance of common stock
Exercise of stock options
|
2001-04-30 |
| 2000-07-31 | 7283.74 | 未披露 | 定期报告 | 2000-07-28 |
| 2000-07-31 | 6816.70 | 未披露 |
更多>>
from April 30, 1999 to April 30, 2000
Net proceeds from initial public offering
|
2000-04-30 |
20250630-20250930
普通股的回购和注销
股票发行及其他，净额
20250331-20250630
股票发行及其他，净额
20241231-20250331
股票发行及其他，净额
From June 30, 2024 to September 30, 2024
Stock issuances and other, net
From December 31, 2023 to March 31, 2024
Stock issuances and other, net
From December 31, 2022 to December 31, 2023
Repurchase of Class A common stock
Stock issuances and other, net
Conversions of convertible debt
Effects of reorganization and acquisition
From June 30, 2020 to September 30, 2023
Effects of reorganization and acquisition
From December 31, 2022 to March 31, 2023
Stock issuances and other, net
From December 31, 2021 to December 31, 2022
Repurchases and retirements of common stock
Stock issuances and other, net
From June 30, 2022 to August 11, 2022
Stock issuances and other, net
From March 31, 2022 to June 30, 2022
Repurchase and retirement of common stock
Stock issuances and other, net
From December 31, 2021 to March 31, 2022
Repurchases and retirements of common stock
Stock issuances, net
From December 31, 2020 to December 31, 2021
Repurchases and retirements of common stock
Stock issuances and other, net
From June 30, 2021 to September 30, 2021
Repurchase and retirement of common stock
Stock issuances, net
From March 31, 2021 to June 30, 2021
Stock issuances and other, net
Repurchase and retirement of common stock
From December 31,2019 to October 27,2020
Stock issuances and other, net
From June 30, 2020 to July 27, 2020
Stock issuances, net
From March 31, 2020 to June 30, 2020
Stock issuances, net
From December 31, 2019 to March 31, 2020
Stock issuances, net
from December 31, 2018 to December 31, 2019
Repurchases and retirements of common stock
Stock issuances, net
Conversion of Class B common stock by shareholder
from June 30, 2019 to September 30, 2019
Repurchase and retirement of common stock
Stock issuances, net
from March 31, 2019 to June 30,2019
Repurchase and retirement of common stock
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2017 to December 31, 2018
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2017 to September 30, 2018
Stock issuances, net
from December 31, 2017 to May 1, 2018
Stock issuances, net
from December 31, 2017 to February 6, 2018
Stock issuances, net
from December 31, 2016 to December 31, 2017
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2016 to September 30, 2017
Stock issuances, net
from December 31, 2016 to February 07, 2017
Stock issuances, net
from December 31, 2015 to October 26, 2016
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2015 to September 30, 2016
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2015 to June 30, 2016
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2015 to March 31, 2016
Stock issuances, net
from December 31, 2014 to October 28, 2015
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2014 to September 30, 2015
Stock issuances, net
Conversion of Class B common stock by Shareholder
From December 31, 2014 to June 30, 2015
Stock issuances, net
from December 31, 2014 to February 13,2015
Stock issuances, net
from December 31, 2013 to December 31, 2014
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2013 to September 30, 2014
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2013 to June 30, 2014
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31,2013 to March 31, 2014
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2012 to December 31, 2013
Stock issuances (repurchases), net
Conversion of Class B common stock by shareholder
from December 31, 2012 to September 30, 2013
Stock issuances, net
Conversion of Class B common stock by shareholder
From December 31, 2012 to June 30, 2013
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31,2012 to March 31,2013
Stock issuances, net
Conversion of Class B common stock by shareholder
from December 31, 2011 to December 31, 2012
Stock issuances (repurchases), net
Sale of Class B common stock by shareholder
from December 31, 2011 to September 30, 2012
Stock issuances, net
Sale of Class B common stock
from December 31, 2011 to May 4, 2012
Stock issuances, net
Sale of Class B common stock
from December 31, 2010 to December 31, 2011
Stock issuances (repurchases), net
Sale of Class B common stock by shareholder
from December 31, 2009 to December 31, 2010
Stock issuances (repurchases), net
Exercise of stock options
from December 31, 2008 to December 31, 2009
Stock issuances (repurchases), net
Exercise of stock options
from December 31, 2007 to December 31, 2008
Stock issuances (repurchases), net
Exercise of stock options
from December 31, 2006 to December 31, 2007
Stock issuances (repurchases), net
Exercise of stock options
from April 30, 2006 to December 31, 2006
Stock issuances (repurchases), net
Exercise of stock options
from April 30, 2005 to April 30, 2006
Stock issuances (repurchases), net
Exercise of stock options
from April 30, 2004 to April 30, 2005
Stock issuances (repurchases), net
Exercise of stock options
from April 30, 2003 to April 30, 2004
Retirement of treasury stock
Stock repurchase, net of issuance of new shares
Exercise of stock options
from April 30, 2002 to April 30, 2003
Purchase of treasury stock
Proceeds from sale of treasury stock
Exercise of stock options
from April 30, 2001 to April 30, 2002
Purchase of treasury stock
Exercise of stock options
from April 30, 2000 to April 30, 2001
Issuance of common stock
Exercise of stock options
from April 30, 1999 to April 30, 2000
Net proceeds from initial public offering