股本结构
单位：万股
| 公告日期 | 2025-09-30 | 2025-08-25 | 2025-09-02 | 2025-09-02 | 2025-06-04 | 2025-06-04 |
|---|---|---|---|---|---|---|
| 证券总股本 | 6059.46 | 6030.87 | 6033.37 | 6038.90 | 6016.04 | 6024.77 |
| 普通股本 | 6059.46 | 6030.87 | 6033.37 | 6038.90 | 6016.04 | 6024.77 |
| 优先股 | 40.00 | 40.00 | 未披露 | 40.00 | 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 | 2025-09-15 | 2025-08-23 | 2025-08-15 | 2025-07-31 | 2025-05-15 | 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 |
|---|---|---|---|---|
| 2025-09-30 | 6059.46 | 40.00 | 定期报告 | 2025-09-15 |
| 2025-08-25 | 6030.87 | 40.00 | 定期报告 | 2025-08-23 |
| 2025-09-02 | 6033.37 | 未披露 | 定期报告 | 2025-08-15 |
| 2025-09-02 | 6038.90 | 40.00 |
更多>>
From April 30, 2025 to July 31, 2025
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
|
2025-07-31 |
| 2025-06-04 | 6016.04 | 未披露 | 定期报告 | 2025-05-15 |
| 2025-05-08 | 6019.77 | 未披露 | 定期报告 | 2025-05-07 |
| 2025-06-04 | 6024.77 | 40.00 |
更多>>
From January 31, 2025 to April 30, 2025
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
|
2025-04-30 |
| 2025-03-26 | 6213.83 | 未披露 | 定期报告 | 2025-03-14 |
| 2025-03-26 | 6213.50 | 40.00 |
更多>>
From January 31, 2024 to January 31, 2025
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
|
2025-01-31 |
| 2024-12-04 | 6228.47 | 未披露 | 定期报告 | 2024-11-15 |
| 2024-12-04 | 6228.50 | 40.00 |
更多>>
From July 31, 2024 to October 31, 2024
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
|
2024-10-31 |
| 2024-09-05 | 6200.55 | 未披露 | 定期报告 | 2024-08-19 |
| 2024-09-05 | 6200.60 | 40.00 |
更多>>
From April 30, 2024 to July 31, 2024
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
|
2024-07-31 |
| 2024-05-30 | 6171.42 | 40.00 | 定期报告 | 2024-05-22 |
| 2024-06-04 | 6177.67 | 未披露 | 定期报告 | 2024-05-15 |
| 2024-06-04 | 6191.42 | 40.00 |
更多>>
From January 31, 2024 to April 30, 2024
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
|
2024-04-30 |
| 2024-03-27 | 6237.65 | 未披露 | 定期报告 | 2024-03-15 |
| 2024-03-27 | 6273.80 | 40.00 |
更多>>
From January 31, 2023 to January 31,2024
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
|
2024-01-31 |
| 2023-12-06 | 6301.55 | 未披露 | 定期报告 | 2023-11-15 |
| 2023-12-06 | 6346.50 | 40.00 |
更多>>
From July 31, 2023 to October 31, 2023
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
|
2023-10-31 |
| 2023-09-06 | 6427.11 | 未披露 | 定期报告 | 2023-08-15 |
| 2023-09-06 | 6427.10 | 40.00 |
更多>>
From April 30, 2023 to July 31, 2023
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
|
2023-07-31 |
| 2023-05-11 | 6428.64 | 40.00 | 定期报告 | 2023-05-01 |
| 2023-06-07 | 6428.60 | 40.00 |
更多>>
From January 31, 2023 to April 30, 2023
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
|
2023-04-30 |
| 2023-03-29 | 6510.59 | 未披露 | 定期报告 | 2023-03-15 |
| 2023-03-29 | 6540.40 | 40.00 |
更多>>
From January 31, 2022 to January 31, 2023
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
Treasury stock acquired
Treasury stock retired
|
2023-01-31 |
| 2022-12-07 | 6586.63 | 未披露 | 定期报告 | 2022-11-15 |
| 2022-12-07 | 6586.60 | 40.00 |
更多>>
From July 31, 2022 to October 31, 2022
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2022-10-31 |
| 2022-09-07 | 6520.75 | 未披露 | 定期报告 | 2022-08-15 |
| 2022-09-07 | 6520.80 | 40.00 |
更多>>
From April 30, 2022 to July 31, 2022
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
Treasury stock retired
|
2022-07-31 |
| 2022-05-06 | 6467.65 | 40.00 | 定期报告 | 2022-05-02 |
| 2022-06-07 | 6467.70 | 40.00 | 定期报告 | 2022-04-30 |
| 2022-03-29 | 6471.08 | 未披露 | 定期报告 | 2022-03-15 |
| 2022-03-29 | 6621.10 | 40.00 |
更多>>
From January 31, 2021 to January 31, 2022
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
Settlement of conversion premium upon maturity of 2014 Notes
Common stock received from exercise of Note Hedges
Common stock received from exercise of Note Hedges related to repurchased 2014 Notes
Common stock issued upon settlement of Warrants
Treasury stock acquired
Treasury stock retired
|
2022-01-31 |
| 2021-12-06 | 6570.38 | 未披露 | 定期报告 | 2021-11-15 |
| 2021-12-06 | 6569.40 | 40.00 |
更多>>
From July 31, 2021 to October 31, 2021
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2021-10-31 |
| 2021-09-09 | 6541.19 | 未披露 | 定期报告 | 2021-08-16 |
| 2021-09-09 | 6541.20 | 40.00 |
更多>>
From April 30, 2021 to July 31, 2021
Common stock issued for stock awards and stock bonuses
Settlement of conversion premium upon maturity of 2014 Notes
Common stock received from exercise of Note Hedges
Common stock received from exercise of Note Hedges related to repurchased 2014 Notes
Treasury stock acquired
|
2021-07-31 |
| 2021-06-09 | 6499.90 | 未披露 | 定期报告 | 2021-05-17 |
| 2021-06-09 | 6499.90 | 40.00 |
更多>>
From January 31, 2021 To April 30, 2021
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
Treasury stock acquired
|
2021-04-30 |
| 2021-05-07 | 6506.80 | 20.00 | 定期报告 | 2021-04-26 |
| 2021-03-31 | 6578.65 | 未披露 | 定期报告 | 2021-03-15 |
| 2021-03-31 | 6577.30 | 20.00 |
更多>>
From January 31, 2020 to January 31, 2021
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
Exercises of stock options
|
2021-01-31 |
| 2020-12-09 | 6573.62 | 未披露 | 定期报告 | 2020-11-16 |
| 2020-12-09 | 6573.60 | 20.00 |
更多>>
From July 31, 2020 to October 31, 2020
Common stock issued for stock awards and stock bonuses
|
2020-10-31 |
| 2020-09-09 | 6540.02 | 未披露 | 定期报告 | 2020-08-17 |
| 2020-09-09 | 6540.00 | 20.00 |
更多>>
From April 30, 2020 to July 31, 2020
Common stock issued for stock awards and stock bonuses
|
2020-07-31 |
| 2020-06-09 | 6452.57 | 未披露 | 定期报告 | 2020-05-15 |
| 2020-06-09 | 6452.60 | 未披露 |
更多>>
From January 31, 2020 to April 30, 2020
Common stock issued, or to be issued, for stock awards and stock bonuses
Exercises of stock options
Treasury stock acquired
|
2020-04-30 |
| 2020-05-08 | 6452.57 | 未披露 | 定期报告 | 2020-04-27 |
| 2020-03-31 | 6412.52 | 未披露 | 定期报告 | 2020-03-13 |
| 2020-03-31 | 6473.80 | 未披露 |
更多>>
From January 31, 2019 to January 31, 2020
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2020-01-31 |
| 2019-12-04 | 6682.40 | 未披露 | 定期报告 | 2019-11-15 |
| 2019-12-04 | 6682.40 | 未披露 |
更多>>
From July 31, 2019 To October 31, 2019
Common stock issued for stock awards and stock bonuses
|
2019-10-31 |
| 2019-09-04 | 6677.15 | 未披露 | 定期报告 | 2019-08-15 |
| 2019-09-04 | 6677.10 | 未披露 |
更多>>
From April 30, 2019 To July 31, 2019
Common stock issued for stock awards and stock bonuses
|
2019-07-31 |
| 2019-06-06 | 6577.33 | 未披露 | 定期报告 | 2019-05-15 |
| 2019-06-06 | 6577.30 | 未披露 |
更多>>
From January 31, 2019 To April 30, 2019
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2019-04-30 |
| 2019-03-28 | 6533.25 | 未披露 | 定期报告 | 2019-03-15 |
| 2019-03-28 | 6533.30 | 未披露 |
更多>>
from January 31, 2018 to January 31, 2019
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2019-01-31 |
| 2018-12-06 | 6527.16 | 未披露 | 定期报告 | 2018-11-15 |
| 2018-12-06 | 6527.20 | 未披露 |
更多>>
from January 31, 2018 to October 31, 2018
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2018-10-31 |
| 2018-09-05 | 6490.54 | 未披露 | 定期报告 | 2018-08-15 |
| 2018-09-05 | 6490.50 | 未披露 |
更多>>
from January 31, 2018 to July 31, 2018
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2018-07-31 |
| 2018-06-07 | 6401.20 | 未披露 | 定期报告 | 2018-05-15 |
| 2018-06-07 | 6401.20 | 未披露 |
更多>>
from January 31, 2018 to April 30, 2018
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2018-04-30 |
| 2018-03-29 | 6383.61 | 未披露 | 定期报告 | 2018-03-15 |
| 2018-03-29 | 6383.60 | 未披露 |
更多>>
from January 31, 2017 to January 31, 2018
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2018-01-31 |
| 2017-12-06 | 6378.12 | 未披露 | 定期报告 | 2017-11-15 |
| 2017-12-06 | 6378.10 | 未披露 |
更多>>
From January 31, 2017 To October 31, 2017
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2017-10-31 |
| 2017-09-06 | 6373.47 | 未披露 | 定期报告 | 2017-08-15 |
| 2017-09-06 | 6373.50 | 未披露 |
更多>>
From January 31, 2017 to July 31, 2017
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
|
2017-07-31 |
| 2017-06-08 | 6267.50 | 未披露 |
更多>>
From January 31, 2017 to April 30, 2017
Common stock issued for stock awards and stock bonuses
|
2017-04-30 |
| 2017-05-10 | 6267.47 | 未披露 | 定期报告 | 2017-04-28 |
| 2017-03-28 | 6241.89 | 未披露 | 定期报告 | 2017-03-15 |
| 2017-03-28 | 6241.90 | 未披露 |
更多>>
From January 31, 2016 to January 31, 2017
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
|
2017-01-31 |
| 2016-12-07 | 6267.97 | 未披露 | 定期报告 | 2016-11-15 |
| 2016-12-07 | 6267.90 | 未披露 |
更多>>
From January 31, 2016 to October 31, 2016
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
|
2016-10-31 |
| 2016-09-07 | 6313.88 | 未披露 | 定期报告 | 2016-08-15 |
| 2016-09-07 | 6313.80 | 未披露 |
更多>>
from January 31, 2016 to July 31, 2016
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
|
2016-07-31 |
| 2016-06-07 | 6219.80 | 未披露 | 定期报告 | 2016-05-13 |
| 2016-06-07 | 6219.80 | 未披露 |
更多>>
from January 31, 2016 to April 30, 2016
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
|
2016-04-30 |
| 2016-05-11 | 6219.80 | 未披露 | 定期报告 | 2016-04-29 |
| 2016-03-30 | 6226.64 | 未披露 | 定期报告 | 2016-03-15 |
| 2016-03-30 | 6226.60 | 未披露 |
更多>>
from January 31, 2015 to January 31, 2016
Exercises of stock options
Common stock issued for stock awards and stock bonuses
|
2016-01-31 |
| 2015-12-02 | 6225.38 | 未披露 | 定期报告 | 2015-11-13 |
| 2015-12-02 | 6225.30 | 未披露 |
更多>>
from January 31, 2015 to October 31, 2015
Exercises of stock options
Common stock issued for stock awards and stock bonuses
|
2015-10-31 |
| 2015-09-02 | 6213.95 | 未披露 | 定期报告 | 2015-08-14 |
| 2015-09-02 | 6213.90 | 未披露 |
更多>>
from January 31, 2015 to July 31, 2015
Exercises of stock options
Common stock issued for stock awards and stock bonuses
|
2015-07-31 |
| 2015-05-13 | 6135.80 | 未披露 | 定期报告 | 2015-05-01 |
| 2015-06-03 | 6135.80 | 未披露 |
更多>>
from January 31, 2015 to April 30, 2015
Exercises of stock options
Common stock issued for stock awards and stock bonuses
|
2015-04-30 |
| 2015-03-27 | 6090.49 | 未披露 | 定期报告 | 2015-03-13 |
| 2015-03-27 | 6090.50 | 未披露 |
更多>>
from January 31, 2014 to January 31, 2015
Common stock issued in public offering, net of issuance costs
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
|
2015-01-31 |
| 2014-12-03 | 6071.44 | 未披露 | 定期报告 | 2014-11-14 |
| 2014-12-03 | 6070.70 | 未披露 |
更多>>
from January 31, 2014 to October 31, 2014
Common stock issued in public offering, net of issuance costs
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
|
2014-10-31 |
| 2014-09-04 | 6056.95 | 未披露 | 定期报告 | 2014-08-15 |
| 2014-09-04 | 6056.80 | 未披露 |
更多>>
from January 31, 2014 to July 31, 2014
Common stock issued in public offering, net of issuance costs
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
|
2014-07-31 |
| 2014-06-05 | 5403.98 | 未披露 | 定期报告 | 2014-05-15 |
| 2014-05-14 | 5403.73 | 未披露 | 定期报告 | 2014-05-02 |
| 2014-06-05 | 5403.70 | 未披露 |
更多>>
from January 31, 2014 to April 30, 2014
Exercises of stock options
Common stock issued for stock awards and stock bonuses
|
2014-04-30 |
| 2014-03-31 | 5361.42 | 未披露 | 定期报告 | 2014-03-14 |
| 2014-03-31 | 5360.50 | 未披露 |
更多>>
from January 31, 2013 to January 31, 2014
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Common stock issued for CTI Merger, net
|
2014-01-31 |
| 2013-12-04 | 5345.53 | 未披露 | 定期报告 | 2013-11-15 |
| 2013-12-04 | 5345.40 | 未披露 |
更多>>
from January 31, 2013 to October 31, 2013
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Stock issued for CTI Merger
|
2013-10-31 |
| 2013-09-04 | 5332.05 | 未披露 | 定期报告 | 2013-08-15 |
| 2013-09-04 | 5331.80 | 未披露 |
更多>>
from January 31, 2013 to July 31, 2013
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Stock issued for CTI Merger
|
2013-07-31 |
| 2013-06-03 | 5270.76 | 未披露 | 定期报告 | 2013-05-15 |
| 2013-05-14 | 5268.75 | 未披露 | 定期报告 | 2013-05-02 |
| 2013-06-03 | 5268.70 | 未披露 |
更多>>
From January 31, 2013 to April 30, 2013
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Stock issued for CTI Merger
|
2013-04-30 |
| 2013-03-28 | 5247.20 | 未披露 | 定期报告 | 2013-03-15 |
| 2013-03-28 | 4015.80 | 29.30 |
更多>>
from January 31, 2012 to January 31, 2013
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
|
2013-01-31 |
| 2012-12-24 | 4010.45 | 29.30 | 定期报告 | 2012-12-18 |
| 2012-12-06 | 4009.58 | 未披露 | 定期报告 | 2012-11-15 |
| 2012-12-06 | 4009.50 | 29.30 |
更多>>
from January 31, 2012 to October 31, 2012
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
|
2012-10-31 |
| 2012-09-06 | 3977.29 | 未披露 | 定期报告 | 2012-08-15 |
| 2012-09-06 | 3977.20 | 29.30 |
更多>>
from January 31, 2012 to July 31, 2012
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
|
2012-07-31 |
| 2012-06-06 | 3914.23 | 未披露 | 定期报告 | 2012-05-15 |
| 2012-06-06 | 3912.80 | 29.30 |
更多>>
from January 31, 2012 to April 30, 2012
Exercises of stock options
Common stock issued for stock awards
Purchases of treasury stock
|
2012-04-30 |
| 2012-04-02 | 3898.96 | 未披露 | 定期报告 | 2012-03-15 |
| 2012-04-02 | 3898.20 | 29.30 |
更多>>
from January 31, 2011 to January 31, 2012
Common stock issued for stock awards
Exercises of stock options
Purchases of treasury stock
|
2012-01-31 |
| 2011-12-09 | 3885.86 | 未披露 | 定期报告 | 2011-11-15 |
| 2011-12-09 | 3884.70 | 29.30 |
更多>>
from January 31, 2011 to October 31, 2011
Exercises of stock options
Common stock issued for stock awards
Purchases of treasury stock
|
2011-10-31 |
| 2011-09-08 | 3879.15 | 未披露 | 定期报告 | 2011-08-15 |
| 2011-09-08 | 3878.70 | 29.30 |
更多>>
from January 31, 2011 to July 31, 2011
Exercises of stock options
Common stock issued for stock awards
Purchases of treasury stock
|
2011-07-31 |
| 2011-06-08 | 3832.94 | 未披露 | 定期报告 | 2011-05-16 |
| 2011-06-08 | 3830.50 | 29.30 |
更多>>
from January 31, 2011 to April 30, 2011
Exercises of stock options
Common stock issued for stock awards
Purchases of treasury stock
|
2011-04-30 |
| 2011-04-06 | 3714.26 | 未披露 | 定期报告 | 2011-03-23 |
| 2011-04-06 | 3708.90 | 29.30 |
更多>>
from January 31, 2010 to January 31, 2011
Common stock issued for stock awards
Exercises of stock options
Purchases of treasury stock
|
2011-01-31 |
| 2010-12-10 | 3665.60 | 未披露 | 定期报告 | 2010-11-15 |
| 2010-12-10 | 3661.50 | 29.30 |
更多>>
from January 31, 2010 to October 31, 2010
Common stock issued for stock awards
Exercises of stock options
Purchases of treasury stock
|
2010-10-31 |
| 2010-09-08 | 3471.59 | 未披露 | 定期报告 | 2010-08-31 |
| 2010-09-08 | 3465.10 | 29.30 |
更多>>
from January 31, 2010 to July 31, 2010
Common stock issued for stock awards
Exercises of stock options
Purchases of treasury stock
|
2010-07-31 |
| 2010-06-09 | 3279.44 | 未披露 | 定期报告 | 2010-05-31 |
| 2010-06-09 | 3280.30 | 29.30 |
更多>>
from January 31, 2010 to April 30, 2010
Common stock issued for stock awards
Purchases of treasury stock
|
2010-04-30 |
| 2010-05-19 | 3258.40 | 29.30 |
更多>>
from January 31, 2009 to January 31, 2010
Common stock issued for stock awards
Forfeitures of restricted stock awards
Purchases of treasury stock
|
2010-01-31 |
| 2005-04-18 | 3168.26 | 未披露 | 定期报告 | 2005-04-08 |
| 2005-04-18 | 3157.76 | 未披露 |
更多>>
from January 31, 2004 to January 31, 2005
Stock issued for convertible debt
Exercise of stock options
Common stock issued for restricted stock grant
Common stock issued for business combination
Common stock issued for Employee Stock Purchase Plan
|
2005-01-31 |
| 2004-04-15 | 3059.25 | 未披露 | 定期报告 | 2004-04-09 |
| 2004-04-15 | 3009.87 | 未披露 |
更多>>
from January 31, 2003 to January 31, 2004
Net proceeds from public offerings
Exercise of stock options
Common stock issued for restricted stock grant
Shares issued for business combination
Common stock issued for Employees Stock Purchase Plan
|
2004-01-31 |
| 2003-05-01 | 2380.03 | 未披露 | 定期报告 | 2003-04-28 |
| 2003-05-01 | 2366.57 | 未披露 |
更多>>
from January 31, 2002 to January 31, 2003
Net proceeds from initial public offering.
Exercise of stock options
On April 19, 2002, the Board of Directors declared a reverse stock split of
the Company's outstanding common stock at the rate of one share of common stock
for each 5.11 shares of common stock outstanding.
|
2003-01-31 |
| 2003-05-01 | 1889.06 | 未披露 |
更多>>
from January 31, 2001 to January 31, 2002
Exercise of stock options
|
2002-01-31 |
From April 30, 2025 to July 31, 2025
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
From January 31, 2025 to April 30, 2025
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
From January 31, 2024 to January 31, 2025
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
From July 31, 2024 to October 31, 2024
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
From April 30, 2024 to July 31, 2024
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
From January 31, 2024 to April 30, 2024
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
From January 31, 2023 to January 31,2024
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
From July 31, 2023 to October 31, 2023
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
From April 30, 2023 to July 31, 2023
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
From January 31, 2023 to April 30, 2023
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
From January 31, 2022 to January 31, 2023
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
Treasury stock acquired
Treasury stock retired
From July 31, 2022 to October 31, 2022
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
From April 30, 2022 to July 31, 2022
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
Treasury stock retired
From January 31, 2021 to January 31, 2022
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
Settlement of conversion premium upon maturity of 2014 Notes
Common stock received from exercise of Note Hedges
Common stock received from exercise of Note Hedges related to repurchased 2014 Notes
Common stock issued upon settlement of Warrants
Treasury stock acquired
Treasury stock retired
From July 31, 2021 to October 31, 2021
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
From April 30, 2021 to July 31, 2021
Common stock issued for stock awards and stock bonuses
Settlement of conversion premium upon maturity of 2014 Notes
Common stock received from exercise of Note Hedges
Common stock received from exercise of Note Hedges related to repurchased 2014 Notes
Treasury stock acquired
From January 31, 2021 To April 30, 2021
Common stock issued for stock awards and stock bonuses
Common stock repurchased and retired
Treasury stock acquired
From January 31, 2020 to January 31, 2021
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
Exercises of stock options
From July 31, 2020 to October 31, 2020
Common stock issued for stock awards and stock bonuses
From April 30, 2020 to July 31, 2020
Common stock issued for stock awards and stock bonuses
From January 31, 2020 to April 30, 2020
Common stock issued, or to be issued, for stock awards and stock bonuses
Exercises of stock options
Treasury stock acquired
From January 31, 2019 to January 31, 2020
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
From July 31, 2019 To October 31, 2019
Common stock issued for stock awards and stock bonuses
From April 30, 2019 To July 31, 2019
Common stock issued for stock awards and stock bonuses
From January 31, 2019 To April 30, 2019
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
from January 31, 2018 to January 31, 2019
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
from January 31, 2018 to October 31, 2018
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
from January 31, 2018 to July 31, 2018
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
from January 31, 2018 to April 30, 2018
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
from January 31, 2017 to January 31, 2018
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
From January 31, 2017 To October 31, 2017
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
From January 31, 2017 to July 31, 2017
Common stock issued for stock awards and stock bonuses
Treasury stock acquired
From January 31, 2017 to April 30, 2017
Common stock issued for stock awards and stock bonuses
From January 31, 2016 to January 31, 2017
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
From January 31, 2016 to October 31, 2016
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
from January 31, 2016 to July 31, 2016
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
from January 31, 2016 to April 30, 2016
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
from January 31, 2015 to January 31, 2016
Exercises of stock options
Common stock issued for stock awards and stock bonuses
from January 31, 2015 to October 31, 2015
Exercises of stock options
Common stock issued for stock awards and stock bonuses
from January 31, 2015 to July 31, 2015
Exercises of stock options
Common stock issued for stock awards and stock bonuses
from January 31, 2015 to April 30, 2015
Exercises of stock options
Common stock issued for stock awards and stock bonuses
from January 31, 2014 to January 31, 2015
Common stock issued in public offering, net of issuance costs
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
from January 31, 2014 to October 31, 2014
Common stock issued in public offering, net of issuance costs
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
from January 31, 2014 to July 31, 2014
Common stock issued in public offering, net of issuance costs
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
from January 31, 2014 to April 30, 2014
Exercises of stock options
Common stock issued for stock awards and stock bonuses
from January 31, 2013 to January 31, 2014
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Common stock issued for CTI Merger, net
from January 31, 2013 to October 31, 2013
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Stock issued for CTI Merger
from January 31, 2013 to July 31, 2013
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Stock issued for CTI Merger
From January 31, 2013 to April 30, 2013
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Stock issued for CTI Merger
from January 31, 2012 to January 31, 2013
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
from January 31, 2012 to October 31, 2012
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
from January 31, 2012 to July 31, 2012
Exercises of stock options
Common stock issued for stock awards and stock bonuses
Purchases of treasury stock
from January 31, 2012 to April 30, 2012
Exercises of stock options
Common stock issued for stock awards
Purchases of treasury stock
from January 31, 2011 to January 31, 2012
Common stock issued for stock awards
Exercises of stock options
Purchases of treasury stock
from January 31, 2011 to October 31, 2011
Exercises of stock options
Common stock issued for stock awards
Purchases of treasury stock
from January 31, 2011 to July 31, 2011
Exercises of stock options
Common stock issued for stock awards
Purchases of treasury stock
from January 31, 2011 to April 30, 2011
Exercises of stock options
Common stock issued for stock awards
Purchases of treasury stock
from January 31, 2010 to January 31, 2011
Common stock issued for stock awards
Exercises of stock options
Purchases of treasury stock
from January 31, 2010 to October 31, 2010
Common stock issued for stock awards
Exercises of stock options
Purchases of treasury stock
from January 31, 2010 to July 31, 2010
Common stock issued for stock awards
Exercises of stock options
Purchases of treasury stock
from January 31, 2010 to April 30, 2010
Common stock issued for stock awards
Purchases of treasury stock
from January 31, 2009 to January 31, 2010
Common stock issued for stock awards
Forfeitures of restricted stock awards
Purchases of treasury stock
from January 31, 2004 to January 31, 2005
Stock issued for convertible debt
Exercise of stock options
Common stock issued for restricted stock grant
Common stock issued for business combination
Common stock issued for Employee Stock Purchase Plan
from January 31, 2003 to January 31, 2004
Net proceeds from public offerings
Exercise of stock options
Common stock issued for restricted stock grant
Shares issued for business combination
Common stock issued for Employees Stock Purchase Plan
from January 31, 2002 to January 31, 2003
Net proceeds from initial public offering.
Exercise of stock options
On April 19, 2002, the Board of Directors declared a reverse stock split of
the Company's outstanding common stock at the rate of one share of common stock
for each 5.11 shares of common stock outstanding.
from January 31, 2001 to January 31, 2002
Exercise of stock options