股本结构
单位：万股
| 公告日期 | 2026-09-08 | 2026-09-08 | 2026-06-22 | 2026-06-22 | 2026-03-09 | 2026-03-09 |
|---|---|---|---|---|---|---|
| 证券总股本 | 3696.02 | 3697.94 | 3700.49 | 3690.43 | 3695.90 | 3699.23 |
| 普通股本 | 3696.02 | 3697.94 | 3700.49 | 3690.43 | 3695.90 | 3699.23 |
| 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 | 2026-09-02 | 2026-07-31 | 2026-06-16 | 2026-04-30 | 2026-03-05 | 2026-01-31 |
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 |
|---|---|---|---|---|
| 2026-09-08 | 3696.02 | 未披露 | 定期报告 | 2026-09-02 |
| 2026-09-08 | 3697.94 | 未披露 |
更多>>
20260430-20260731
回购普通股
股份补偿
员工股份奖励的预扣税款
|
2026-07-31 |
| 2026-06-22 | 3700.49 | 未披露 | 定期报告 | 2026-06-16 |
| 2026-06-22 | 3690.43 | 未披露 |
更多>>
20250430-20260430
回购普通股
股份补偿
员工股份奖励的预扣税款
|
2026-04-30 |
| 2026-03-09 | 3695.90 | 未披露 | 定期报告 | 2026-03-05 |
| 2026-03-09 | 3699.23 | 未披露 |
更多>>
From October 31, 2025 to January 31, 2026
Repurchase of common stock
Share-based compensation
Tax withholdings on employee share-based awards
|
2026-01-31 |
| 2025-12-09 | 3706.69 | 未披露 | 定期报告 | 2025-12-07 |
| 2025-12-09 | 3712.50 | 未披露 |
更多>>
From July 31, 2025 to October 31, 2025
Repurchase of common stock
Share-based compensation
Tax withholdings on employee share-based awards
|
2025-10-31 |
| 2025-09-08 | 3718.13 | 未披露 | 定期报告 | 2025-09-03 |
| 2025-09-08 | 3718.10 | 未披露 |
更多>>
From April 30, 2025 to July 31, 2025
Share-based compensation
Repurchase of common stock
Tax withholdings on employee share-based awards
|
2025-07-31 |
| 2025-06-23 | 3718.10 | 未披露 | 定期报告 | 2025-06-18 |
| 2025-06-23 | 3711.91 | 未披露 |
更多>>
From April 30,2024 to April 30,2025
Share-based compensation
|
2025-04-30 |
| 2025-03-11 | 3711.90 | 未披露 | 定期报告 | 2025-03-06 |
| 2025-03-11 | 3711.81 | 未披露 |
更多>>
From October 31, 2024 to January 31, 2025
Share-based compensation (net of tax withholding on employee share-based awards)
|
2025-01-31 |
| 2024-12-09 | 3711.76 | 未披露 | 定期报告 | 2024-12-05 |
| 2024-12-09 | 3711.70 | 未披露 |
更多>>
From July 31, 2024 to October 31, 2024
Share-based compensation (net of tax withholding on employee share-based awards)
|
2024-10-31 |
| 2024-09-04 | 3711.60 | 未披露 | 定期报告 | 2024-08-29 |
| 2024-09-04 | 3711.12 | 未披露 |
更多>>
From April 30, 2024 to July 31, 2024
Share-based compensation
|
2024-07-31 |
| 2024-06-24 | 3711.15 | 未披露 | 定期报告 | 2024-06-20 |
| 2024-06-24 | 3700.85 | 未披露 |
更多>>
From April 30, 2023 to April 30, 2024
Repurchase of common stock
Share-based compensation (net of tax withholding on employee share-based awards)
|
2024-04-30 |
| 2024-03-11 | 3701.72 | 未披露 | 定期报告 | 2024-03-07 |
| 2024-03-11 | 3705.72 | 未披露 |
更多>>
From October 31,2023 to January 31,2024
Repurchase of common stock
Share-based compensation (net of tax withholding on employee share-based awards)
|
2024-01-31 |
| 2023-12-11 | 3710.87 | 未披露 | 定期报告 | 2023-12-07 |
| 2023-12-11 | 3716.42 | 未披露 |
更多>>
From July 31, 2023 to October 31, 2023
Repurchase of common stock
Share-based compensation (net of tax withholding on employee share-based awards)
|
2023-10-31 |
| 2023-09-11 | 3726.66 | 未披露 | 定期报告 | 2023-09-01 |
| 2023-09-11 | 3726.65 | 未披露 |
更多>>
From April 30, 2023 to July 31, 2023
Repurchase of common stock
Share-based compensation (net of tax withholding on employee share-based awards)
|
2023-07-31 |
| 2023-07-26 | 3739.00 | 未披露 | 定期报告 | 2023-06-30 |
| 2023-06-23 | 3729.79 | 未披露 | 定期报告 | 2023-06-13 |
| 2023-06-23 | 3726.32 | 未披露 |
更多>>
From April 30, 2022 to April 30, 2023
Stock-based compensation (net of tax withholding on employee share-based awards)
|
2023-04-30 |
| 2023-03-07 | 3726.25 | 未披露 |
更多>>
From October 31, 2022 to January 31, 2023
Share-based compensation (net of tax withholding on employee share-based awards)
|
2023-01-31 |
| 2022-12-06 | 3725.86 | 未披露 |
更多>>
From July 31, 2022 to October 31, 2022
Share-based compensation (net of tax withholding on employee share-based awards)
|
2022-10-31 |
| 2022-09-07 | 3725.51 | 未披露 | 定期报告 | 2022-09-01 |
| 2022-07-19 | 3724.98 | 未披露 | 定期报告 | 2022-06-30 |
| 2022-06-24 | 3718.83 | 未披露 | 定期报告 | 2022-06-13 |
| 2022-06-24 | 3711.17 | 未披露 |
更多>>
From April 30, 2021 to April 30, 2022
Exercise of stock options
Stock-based compensation (net of tax withholding on employee share-based awards)
|
2022-04-30 |
| 2022-03-08 | 3711.15 | 未披露 |
更多>>
From October 31, 2021 to January 31, 2022
Share-based compensation (net of tax withholding on employee share-based awards)
|
2022-01-31 |
| 2021-12-07 | 3710.88 | 未披露 |
更多>>
From July 31, 2021 to October 31, 2021
Share-based compensation (net of tax withholding on employee share-based awards)
|
2021-10-31 |
| 2021-09-08 | 3710.22 | 未披露 |
更多>>
From April 30, 2021 to July 1, 2021
Exercise of stock options
Share-based compensation (net of tax withholdings on employee share-based awards)
|
2021-07-01 |
| 2021-06-25 | 3702.37 | 未披露 | 定期报告 | 2021-06-09 |
| 2021-06-25 | 3694.99 | 未披露 |
更多>>
From April 30, 2020 To April 30, 2021
Exercise of stock options
Stock-based compensation
|
2021-04-30 |
| 2021-03-08 | 3694.72 | 未披露 |
更多>>
From October 31, 2020 to January 31, 2021
Exercise of stock options
Share-based compensation
|
2021-01-31 |
| 2020-12-07 | 3693.57 | 未披露 |
更多>>
From July 31, 2020 to October 31, 2020
Exercise of stock options
Share-based compensation
|
2020-10-31 |
| 2020-09-08 | 3692.08 | 未披露 | 定期报告 | 2020-08-20 |
| 2020-09-08 | 3690.68 | 未披露 |
更多>>
From April 30, 2020 to July 6, 2020
Exercise of stock options
Share-based compensation
|
2020-07-06 |
| 2020-06-26 | 3684.93 | 未披露 | 定期报告 | 2020-06-09 |
| 2020-06-26 | 3680.63 | 未披露 |
更多>>
From April 30, 2019 to April 30, 2020
Exercise of stock options
Stock-based compensation
|
2020-04-30 |
| 2020-03-09 | 3679.36 | 未披露 |
更多>>
from October 31, 2019 to January 31, 2020
Exercise of stock options
Stock based compensation
|
2020-01-31 |
| 2019-12-09 | 3679.16 | 未披露 |
更多>>
from July 31, 2019 to October 31, 2019
Exercise of stock options
Stock based compensation
|
2019-10-31 |
| 2019-09-09 | 3678.27 | 未披露 | 定期报告 | 2019-08-28 |
| 2019-09-09 | 3678.26 | 未披露 |
更多>>
from April 30, 2019 to July 31, 2019
Exercise of stock options
Stock based compensation
|
2019-07-31 |
| 2019-07-25 | 3676.76 | 未披露 | 定期报告 | 2019-07-08 |
| 2019-06-28 | 3676.36 | 未披露 | 定期报告 | 2019-06-20 |
| 2019-06-28 | 3666.45 | 未披露 |
更多>>
from April 30, 2018 to April 30, 2019
Exercise of stock options
Repurchase of common stock
Stock-based compensation
|
2019-04-30 |
| 2019-03-11 | 3663.07 | 未披露 |
更多>>
From April 30, 2018 to January 31, 2019
Exercise of stock options
Repurchase of common stock
Stock based compensation
|
2019-01-31 |
| 2018-12-10 | 3660.55 | 未披露 | 定期报告 | 2018-11-27 |
| 2018-12-10 | 3660.40 | 未披露 |
更多>>
From April 30, 2018 To October 31, 2018
Exercise of stock options
Repurchase of common stock
Stock based compensation
|
2018-10-31 |
| 2018-09-10 | 3659.54 | 未披露 | 定期报告 | 2018-08-28 |
| 2018-09-10 | 3659.32 | 未披露 |
更多>>
From April 30, 2018 To July 31, 2018
Exercise of stock options
Repurchase of common stock
Stock based compensation
|
2018-07-31 |
| 2018-07-27 | 3659.54 | 未披露 | 定期报告 | 2018-07-17 |
| 2018-06-29 | 3659.36 | 未披露 | 定期报告 | 2018-06-20 |
| 2018-06-29 | 3687.43 | 未披露 |
更多>>
From April 30, 2017 To April 30, 2018
Exercise of stock options
Repurchase of common stock
Stock based compensation
|
2018-04-30 |
| 2018-03-07 | 3753.61 | 未披露 | 定期报告 | 2018-02-28 |
| 2018-03-07 | 3753.41 | 未披露 |
更多>>
From April 30, 2017 To January 31, 2018
Exercise of stock options
Repurchase of common stock
Stock based compensation
|
2018-01-31 |
| 2017-12-11 | 3754.73 | 未披露 | 定期报告 | 2017-11-30 |
| 2017-12-11 | 3761.28 | 未披露 |
更多>>
From April 30, 2017 To October 31, 2017
Exercise of stock options
Repurchase of common stock
Stock based compensation
|
2017-10-31 |
| 2017-09-05 | 3789.71 | 未披露 | 定期报告 | 2017-08-31 |
| 2017-09-05 | 3811.09 | 未披露 |
更多>>
From April 30, 2017 to July 31, 2017
Exercise of stock options
Repurchase of common stock
Stock based compensation
|
2017-07-31 |
| 2017-08-04 | 3823.79 | 未披露 | 定期报告 | 2017-07-24 |
| 2017-06-29 | 3854.73 | 未披露 | 定期报告 | 2017-06-21 |
| 2017-06-29 | 3876.58 | 未披露 |
更多>>
from April 30, 2016 to April 30, 2017
Exercise of stock options
Issuance of common stock
Repurchase of common stock
Stock-based compensation
|
2017-04-30 |
| 2017-03-06 | 3919.82 | 未披露 | 定期报告 | 2017-03-01 |
| 2016-12-07 | 3919.12 | 未披露 | 定期报告 | 2016-12-01 |
| 2016-09-06 | 3918.01 | 未披露 | 定期报告 | 2016-09-01 |
| 2016-08-05 | 3919.59 | 未披露 | 定期报告 | 2016-07-25 |
| 2016-06-27 | 3913.54 | 未披露 | 定期报告 | 2016-06-21 |
| 2016-06-27 | 3905.56 | 未披露 |
更多>>
from April 30, 2015 to April 30, 2016
Exercise of stock options
Issuance of common stock
Stock-based compensation
|
2016-04-30 |
| 2016-03-07 | 3905.06 | 未披露 | 定期报告 | 2016-03-02 |
| 2015-12-07 | 3900.66 | 未披露 | 定期报告 | 2015-12-02 |
| 2015-09-08 | 3898.83 | 未披露 | 定期报告 | 2015-09-03 |
| 2015-08-07 | 3898.80 | 未披露 | 定期报告 | 2015-07-27 |
| 2015-06-26 | 3892.35 | 未披露 | 定期报告 | 2015-06-22 |
| 2015-06-26 | 3888.62 | 未披露 |
更多>>
from April 30, 2014 to April 30, 2015
Exercise of stock options
Stock-based compensation
|
2015-04-30 |
| 2015-03-09 | 3885.15 | 未披露 | 定期报告 | 2015-03-03 |
| 2014-12-10 | 3872.92 | 未披露 | 定期报告 | 2014-12-02 |
| 2014-09-08 | 3865.00 | 未披露 | 定期报告 | 2014-09-02 |
| 2014-08-08 | 3862.69 | 未披露 | 定期报告 | 2014-07-28 |
| 2014-06-27 | 3788.22 | 未披露 | 定期报告 | 2014-06-23 |
| 2014-06-27 | 3850.74 | 未披露 |
更多>>
from April 30, 2013 to April 30, 2014
Proceeds from exercise of stock options (140,785 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
|
2014-04-30 |
| 2014-03-10 | 3848.80 | 未披露 | 定期报告 | 2014-03-05 |
| 2013-12-09 | 3848.03 | 未披露 | 定期报告 | 2013-12-04 |
| 2013-09-09 | 3840.75 | 未披露 | 定期报告 | 2013-09-04 |
| 2013-08-02 | 3840.60 | 未披露 | 定期报告 | 2013-07-22 |
| 2013-06-27 | 3838.71 | 未披露 | 定期报告 | 2013-06-24 |
| 2013-06-27 | 3835.25 | 未披露 |
更多>>
from April 30, 2012 to April 30, 2013
Proceeds from exercise of stock options (198,200 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
|
2013-04-30 |
| 2013-03-11 | 3833.00 | 未披露 | 定期报告 | 2013-03-05 |
| 2012-12-10 | 3830.80 | 未披露 | 定期报告 | 2012-12-07 |
| 2012-09-10 | 3830.37 | 未披露 | 定期报告 | 2012-09-06 |
| 2012-08-03 | 3829.61 | 未披露 | 定期报告 | 2012-07-23 |
| 2012-06-26 | 3815.63 | 未披露 | 定期报告 | 2012-06-22 |
| 2012-06-26 | 3814.03 | 未披露 |
更多>>
from April 30, 2011 to April 30, 2012
Proceeds from exercise of stock options (159,600 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
|
2012-04-30 |
| 2012-03-08 | 3808.03 | 未披露 | 定期报告 | 2012-03-02 |
| 2011-12-08 | 3806.17 | 未披露 | 定期报告 | 2011-12-02 |
| 2011-09-09 | 3805.24 | 未披露 | 定期报告 | 2011-09-06 |
| 2011-06-28 | 3803.37 | 未披露 | 定期报告 | 2011-06-22 |
| 2011-06-28 | 3796.67 | 未披露 |
更多>>
From April 30, 2010 to April 30, 2011
Repurchase of common stock
Proceeds from exercise of stock options
Tax benefits related to nonqualified stock options
Stock based compensation
|
2011-04-30 |
| 2011-03-09 | 3795.05 | 未披露 | 定期报告 | 2011-03-04 |
| 2010-12-09 | 3793.13 | 未披露 | 定期报告 | 2010-12-03 |
| 2010-09-09 | 3784.80 | 未披露 | 定期报告 | 2010-09-07 |
| 2010-06-29 | 5093.92 | 未披露 | 定期报告 | 2010-06-24 |
| 2010-06-29 | 5092.62 | 未披露 |
更多>>
Proceeds from exercise of stock options (83,450 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
|
2010-04-30 |
| 2010-03-10 | 5091.60 | 未披露 | 定期报告 | 2010-03-05 |
| 2009-06-29 | 5085.89 | 未披露 | 定期报告 | 2009-06-19 |
| 2009-06-29 | 5084.27 | 未披露 |
更多>>
from April 30, 2008 to April 30, 2009
Proceeds from exercise of stock options (93,550 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
|
2009-04-30 |
| 2008-06-26 | 5076.97 | 未披露 | 定期报告 | 2008-06-20 |
| 2008-06-26 | 5073.32 | 未披露 |
更多>>
from April 30, 2007 to April 30, 2008
Proceeds from exercise of stock options (156,950 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
|
2008-04-30 |
| 2007-06-29 | 5061.37 | 未披露 | 定期报告 | 2007-06-14 |
| 2007-06-29 | 5059.22 | 未披露 |
更多>>
from April 30, 2006 to April 30, 2007
Proceeds from exercise of stock options (223,550 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
|
2007-04-30 |
| 2006-07-13 | 5040.27 | 未披露 | 定期报告 | 2006-07-06 |
| 2006-07-13 | 5036.87 | 未披露 |
更多>>
from April 30, 2005 to April 30, 2006
Proceeds from exercise of stock options (178,850 shares)
Tax benefits related to nonqualified stock options
|
2006-04-30 |
| 2005-07-14 | 5025.42 | 未披露 | 定期报告 | 2005-07-06 |
| 2005-07-14 | 5018.98 | 未披露 |
更多>>
from April 30, 2004 to April 30, 2005
Proceeds from exercise of stock options (173,950 shares)
Tax benefits related to nonqualified stock options
|
2005-04-30 |
| 2004-07-14 | 5004.69 | 未披露 | 定期报告 | 2004-07-08 |
| 2004-07-14 | 5001.59 | 未披露 |
更多>>
from April 30, 2003 to April 30, 2004
Proceeds from exercise of stock options (346,750 shares)
Tax benefits related to nonqualified stock options
|
2004-04-30 |
| 2003-07-29 | 4979.32 | 未披露 | 定期报告 | 2003-07-15 |
| 2003-07-29 | 4966.91 | 未披露 |
更多>>
from April 30, 2002 to April 30, 2003
Proceeds from exercise of stock options (45,300 shares)
Tax benefits related to nonqualified stock options
|
2003-04-30 |
| 2002-07-26 | 4962.61 | 未披露 | 定期报告 | 2002-07-19 |
| 2002-07-26 | 4962.38 | 未披露 |
更多>>
from April 30, 2001 to April 30, 2002
Proceeds from exercise of stock options (129,050 shares)
Tax benefits related to nonqualified stock options
|
2002-04-30 |
| 2001-07-25 | 4950.33 | 未披露 | 定期报告 | 2001-07-17 |
| 2001-07-25 | 4949.48 | 未披露 |
更多>>
from April 30, 2000 to April 30, 2001
Proceeds from exercise of stock options (44,000 shares)
Tax benefits related to nonqualified stock options
|
2001-04-30 |
| 2000-07-27 | 4945.78 | 未披露 | 定期报告 | 2000-07-19 |
| 2000-07-27 | 4945.08 | 未披露 |
更多>>
from April 30, 1999 to April 30, 2000
Repurchase of common stock (3,301,200 shares)
Proceeds from exercise of stock options (40,450 shares)
Tax benefits related to nonqualified stock options
|
2000-04-30 |
| 1999-07-28 | 5272.60 | 未披露 | 定期报告 | 1999-07-20 |
| 1999-07-28 | 5271.15 | 未披露 |
更多>>
from April 30, 1998 to April 30, 1999
Proceeds from exercise of stock options (111,500 shares)
Tax benefits related to nonqualified stock options
|
1999-04-30 |
| 1998-07-29 | 5261.30 | 未披露 | 定期报告 | 1998-07-21 |
| 1998-07-29 | 5260.00 | 未披露 |
更多>>
from April 30, 1997 to April 30, 1998
Proceeds from exercise of stock options (117,600 shares)
Tax benefits related to nonqualified stock options
Effective February 17, 1998 the Company approved a two-for-one stock split effected in the form of a 100% stock dividend.
|
1998-04-30 |
| 1997-12-22 | 5251.44 | 未披露 |
更多>>
2:1股票拆分
|
1998-02-17 |
| 1997-07-29 | 2625.72 | 未披露 | 定期报告 | 1997-07-18 |
| 1997-07-29 | 2624.12 | 未披露 |
更多>>
from April 30, 1996 to April 30, 1997
Proceeds from exercise of stock options (19,500 shares)
Tax benefits related to nonqualified stock options
|
1997-04-30 |
| 1996-07-26 | 2622.52 | 未披露 | 定期报告 | 1996-07-22 |
| 1996-07-26 | 2622.17 | 未披露 |
更多>>
from April 30, 1995 to April 30, 1996
Proceeds from exercise of stock options (254,800 shares)
|
1996-04-30 |
| 1995-07-28 | 2607.52 | 未披露 | 定期报告 | 1995-07-19 |
| 1995-07-28 | 2596.69 | 未披露 |
更多>>
from April 30, 1994 to April 30, 1995
Proceeds from exercise of stock options (46,700 shares)
Retirement of shares from Employees' Stock Ownership Plan and Trust (814 shares)
|
1995-04-30 |
| 1994-07-28 | 2592.10 | 未披露 |
更多>>
from April 30, 1993 to April 30, 1994
Conversion of Convertible Subordinated Debentures (3,683,064 shares)
Proceeds from exercise of stock options (61,000 shares)
|
1994-04-30 |
| 1993-12-21 | 4435.39 | 未披露 |
更多>>
2:1股票拆分
|
1994-02-16 |
| 1994-07-28 | 2217.70 | 未披露 |
更多>>
from April 30, 1992 to April 30, 1993
Proceeds from exercise of stock options (23,000 shares)
|
1993-04-30 |
20260430-20260731
回购普通股
股份补偿
员工股份奖励的预扣税款
20250430-20260430
回购普通股
股份补偿
员工股份奖励的预扣税款
From October 31, 2025 to January 31, 2026
Repurchase of common stock
Share-based compensation
Tax withholdings on employee share-based awards
From July 31, 2025 to October 31, 2025
Repurchase of common stock
Share-based compensation
Tax withholdings on employee share-based awards
From April 30, 2025 to July 31, 2025
Share-based compensation
Repurchase of common stock
Tax withholdings on employee share-based awards
From April 30,2024 to April 30,2025
Share-based compensation
From October 31, 2024 to January 31, 2025
Share-based compensation (net of tax withholding on employee share-based awards)
From July 31, 2024 to October 31, 2024
Share-based compensation (net of tax withholding on employee share-based awards)
From April 30, 2024 to July 31, 2024
Share-based compensation
From April 30, 2023 to April 30, 2024
Repurchase of common stock
Share-based compensation (net of tax withholding on employee share-based awards)
From October 31,2023 to January 31,2024
Repurchase of common stock
Share-based compensation (net of tax withholding on employee share-based awards)
From July 31, 2023 to October 31, 2023
Repurchase of common stock
Share-based compensation (net of tax withholding on employee share-based awards)
From April 30, 2023 to July 31, 2023
Repurchase of common stock
Share-based compensation (net of tax withholding on employee share-based awards)
From April 30, 2022 to April 30, 2023
Stock-based compensation (net of tax withholding on employee share-based awards)
From October 31, 2022 to January 31, 2023
Share-based compensation (net of tax withholding on employee share-based awards)
From July 31, 2022 to October 31, 2022
Share-based compensation (net of tax withholding on employee share-based awards)
From April 30, 2021 to April 30, 2022
Exercise of stock options
Stock-based compensation (net of tax withholding on employee share-based awards)
From October 31, 2021 to January 31, 2022
Share-based compensation (net of tax withholding on employee share-based awards)
From July 31, 2021 to October 31, 2021
Share-based compensation (net of tax withholding on employee share-based awards)
From April 30, 2021 to July 1, 2021
Exercise of stock options
Share-based compensation (net of tax withholdings on employee share-based awards)
From April 30, 2020 To April 30, 2021
Exercise of stock options
Stock-based compensation
From October 31, 2020 to January 31, 2021
Exercise of stock options
Share-based compensation
From July 31, 2020 to October 31, 2020
Exercise of stock options
Share-based compensation
From April 30, 2020 to July 6, 2020
Exercise of stock options
Share-based compensation
From April 30, 2019 to April 30, 2020
Exercise of stock options
Stock-based compensation
from October 31, 2019 to January 31, 2020
Exercise of stock options
Stock based compensation
from July 31, 2019 to October 31, 2019
Exercise of stock options
Stock based compensation
from April 30, 2019 to July 31, 2019
Exercise of stock options
Stock based compensation
from April 30, 2018 to April 30, 2019
Exercise of stock options
Repurchase of common stock
Stock-based compensation
From April 30, 2018 to January 31, 2019
Exercise of stock options
Repurchase of common stock
Stock based compensation
From April 30, 2018 To October 31, 2018
Exercise of stock options
Repurchase of common stock
Stock based compensation
From April 30, 2018 To July 31, 2018
Exercise of stock options
Repurchase of common stock
Stock based compensation
From April 30, 2017 To April 30, 2018
Exercise of stock options
Repurchase of common stock
Stock based compensation
From April 30, 2017 To January 31, 2018
Exercise of stock options
Repurchase of common stock
Stock based compensation
From April 30, 2017 To October 31, 2017
Exercise of stock options
Repurchase of common stock
Stock based compensation
From April 30, 2017 to July 31, 2017
Exercise of stock options
Repurchase of common stock
Stock based compensation
from April 30, 2016 to April 30, 2017
Exercise of stock options
Issuance of common stock
Repurchase of common stock
Stock-based compensation
from April 30, 2015 to April 30, 2016
Exercise of stock options
Issuance of common stock
Stock-based compensation
from April 30, 2014 to April 30, 2015
Exercise of stock options
Stock-based compensation
from April 30, 2013 to April 30, 2014
Proceeds from exercise of stock options (140,785 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
from April 30, 2012 to April 30, 2013
Proceeds from exercise of stock options (198,200 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
from April 30, 2011 to April 30, 2012
Proceeds from exercise of stock options (159,600 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
From April 30, 2010 to April 30, 2011
Repurchase of common stock
Proceeds from exercise of stock options
Tax benefits related to nonqualified stock options
Stock based compensation
Proceeds from exercise of stock options (83,450 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
from April 30, 2008 to April 30, 2009
Proceeds from exercise of stock options (93,550 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
from April 30, 2007 to April 30, 2008
Proceeds from exercise of stock options (156,950 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
from April 30, 2006 to April 30, 2007
Proceeds from exercise of stock options (223,550 shares)
Tax benefits related to nonqualified stock options
Stock based compensation
from April 30, 2005 to April 30, 2006
Proceeds from exercise of stock options (178,850 shares)
Tax benefits related to nonqualified stock options
from April 30, 2004 to April 30, 2005
Proceeds from exercise of stock options (173,950 shares)
Tax benefits related to nonqualified stock options
from April 30, 2003 to April 30, 2004
Proceeds from exercise of stock options (346,750 shares)
Tax benefits related to nonqualified stock options
from April 30, 2002 to April 30, 2003
Proceeds from exercise of stock options (45,300 shares)
Tax benefits related to nonqualified stock options
from April 30, 2001 to April 30, 2002
Proceeds from exercise of stock options (129,050 shares)
Tax benefits related to nonqualified stock options
from April 30, 2000 to April 30, 2001
Proceeds from exercise of stock options (44,000 shares)
Tax benefits related to nonqualified stock options
from April 30, 1999 to April 30, 2000
Repurchase of common stock (3,301,200 shares)
Proceeds from exercise of stock options (40,450 shares)
Tax benefits related to nonqualified stock options
from April 30, 1998 to April 30, 1999
Proceeds from exercise of stock options (111,500 shares)
Tax benefits related to nonqualified stock options
from April 30, 1997 to April 30, 1998
Proceeds from exercise of stock options (117,600 shares)
Tax benefits related to nonqualified stock options
Effective February 17, 1998 the Company approved a two-for-one stock split effected in the form of a 100% stock dividend.
2:1股票拆分
from April 30, 1996 to April 30, 1997
Proceeds from exercise of stock options (19,500 shares)
Tax benefits related to nonqualified stock options
from April 30, 1995 to April 30, 1996
Proceeds from exercise of stock options (254,800 shares)
from April 30, 1994 to April 30, 1995
Proceeds from exercise of stock options (46,700 shares)
Retirement of shares from Employees' Stock Ownership Plan and Trust (814 shares)
from April 30, 1993 to April 30, 1994
Conversion of Convertible Subordinated Debentures (3,683,064 shares)
Proceeds from exercise of stock options (61,000 shares)
2:1股票拆分
from April 30, 1992 to April 30, 1993
Proceeds from exercise of stock options (23,000 shares)