股本结构
单位：万股
| 公告日期 | 2025-11-14 | 2025-11-14 | 2025-08-12 | 2025-08-12 | 2025-05-15 | 2025-05-15 |
|---|---|---|---|---|---|---|
| 证券总股本 | 320.37 | 320.42 | 320.57 | 321.59 | 324.82 | 328.09 |
| 普通股本 | 320.37 | 320.42 | 320.57 | 321.59 | 324.82 | 328.09 |
| 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 | 2025-11-10 | 2025-09-30 | 2025-08-11 | 2025-06-30 | 2025-05-12 | 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 |
|---|---|---|---|---|
| 2025-11-14 | 320.37 | 未披露 | 定期报告 | 2025-11-10 |
| 2025-11-14 | 320.42 | 未披露 |
更多>>
From June 30, 2025 to September 30, 2025
Common stock purchased and retired
|
2025-09-30 |
| 2025-08-12 | 320.57 | 未披露 | 定期报告 | 2025-08-11 |
| 2025-08-12 | 321.59 | 未披露 |
更多>>
From March 31, 2025 to June 30, 2025
Common stock purchased and retired
|
2025-06-30 |
| 2025-05-15 | 324.82 | 未披露 | 定期报告 | 2025-05-12 |
| 2025-05-15 | 328.09 | 未披露 |
更多>>
From December 31, 2024 to March 31, 2025
Common stock purchased and retired
|
2025-03-31 |
| 2025-03-26 | 328.18 | 未披露 | 定期报告 | 2025-03-25 |
| 2025-04-04 | 330.35 | 未披露 | 定期报告 | 2025-03-03 |
| 2025-03-26 | 333.52 | 未披露 |
更多>>
From December 31, 2023 to December 31, 2024
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
2024-12-31 |
| 2024-11-12 | 339.16 | 未披露 | 定期报告 | 2024-11-11 |
| 2024-11-12 | 344.05 | 未披露 |
更多>>
From June 30, 2024 to September 30, 2024
Common stock purchased and retired
|
2024-09-30 |
| 2024-08-09 | 347.71 | 未披露 | 定期报告 | 2024-08-08 |
| 2024-08-09 | 349.89 | 未披露 |
更多>>
From March 31, 2024 to June 30, 2024
Common stock purchased and retired
Shares issued upon exercise of employee stock options for cash
|
2024-06-30 |
| 2024-05-10 | 352.84 | 未披露 | 定期报告 | 2024-05-09 |
| 2024-05-10 | 358.83 | 未披露 |
更多>>
From December 31, 2023 to March 31, 2024
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
2024-03-31 |
| 2024-03-26 | 358.90 | 未披露 | 定期报告 | 2024-03-25 |
| 2024-04-10 | 361.14 | 未披露 | 定期报告 | 2024-03-01 |
| 2023-11-13 | 362.95 | 未披露 |
更多>>
From June 30, 2023 to August 10, 2023
Shares issued upon exercise of employee stock options for cash
|
2023-08-10 |
| 2023-08-11 | 362.90 | 未披露 |
更多>>
From March 31, 2023 to June 30, 2023
Shares issued upon exercise of employee stock options for cash
|
2023-06-30 |
| 2023-05-05 | 362.81 | 未披露 | 定期报告 | 2023-05-04 |
| 2023-05-05 | 362.80 | 未披露 | 定期报告 | 2023-03-31 |
| 2023-03-27 | 362.80 | 未披露 | 定期报告 | 2023-03-24 |
| 2023-01-31 | 362.78 | 未披露 | 定期报告 | 2022-12-31 |
| 2022-11-10 | 362.76 | 未披露 | 定期报告 | 2022-11-09 |
| 2022-10-25 | 362.52 | 未披露 | 定期报告 | 2022-09-30 |
| 2022-08-12 | 362.49 | 未披露 |
更多>>
From March 31, 2022 to June 30, 2022
Common stock purchased and retired
|
2022-06-30 |
| 2022-05-11 | 364.50 | 未披露 | 定期报告 | 2022-05-10 |
| 2022-05-11 | 365.50 | 未披露 | 定期报告 | 2022-03-31 |
| 2022-03-25 | 365.50 | 未披露 | 定期报告 | 2022-03-24 |
| 2022-04-13 | 365.48 | 未披露 | 定期报告 | 2022-03-04 |
| 2022-03-25 | 365.50 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
|
2021-12-31 |
| 2021-11-12 | 365.09 | 未披露 | 定期报告 | 2021-11-11 |
| 2021-11-12 | 364.90 | 未披露 |
更多>>
From June 30, 2021 to September 30, 2021
Shares issued upon exercise of employee stock options for cash
|
2021-09-30 |
| 2021-08-06 | 364.66 | 未披露 | 定期报告 | 2021-08-05 |
| 2021-08-06 | 364.60 | 未披露 | 定期报告 | 2021-06-30 |
| 2021-05-11 | 364.58 | 未披露 | 定期报告 | 2021-05-10 |
| 2021-05-11 | 364.60 | 未披露 |
更多>>
From December 31, 2020 to March 31, 2021
Shares issued upon exercise of employee stock options for cash
|
2021-03-31 |
| 2021-03-26 | 364.58 | 未披露 | 定期报告 | 2021-03-25 |
| 2021-04-12 | 364.43 | 未披露 | 定期报告 | 2021-03-05 |
| 2021-03-26 | 364.30 | 未披露 |
更多>>
from December 31, 2019 to December 31, 2020
Common stock purchased and retired
Shares issued upon exercise of employee
|
2020-12-31 |
| 2020-11-06 | 364.04 | 未披露 | 定期报告 | 2020-11-05 |
| 2020-11-06 | 364.04 | 未披露 |
更多>>
From June 30, 2020 to September 30, 2020
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
2020-09-30 |
| 2020-08-07 | 364.31 | 未披露 | 定期报告 | 2020-08-06 |
| 2020-08-07 | 364.29 | 未披露 |
更多>>
from March 31, 2020 to June 30, 2020
Shares issued upon exercise of employee stock options for cash
|
2020-06-30 |
| 2020-07-14 | 364.25 | 未披露 | 定期报告 | 2020-06-01 |
| 2020-05-08 | 364.24 | 未披露 |
更多>>
From December 31, 2019 to March 31, 2020
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
2020-03-31 |
| 2020-03-16 | 369.74 | 未披露 | 定期报告 | 2020-03-12 |
| 2020-03-16 | 372.20 | 未披露 |
更多>>
from December 31, 2018 to December 31, 2019
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
2019-12-31 |
| 2019-11-07 | 372.11 | 未披露 | 定期报告 | 2019-11-06 |
| 2019-11-07 | 372.00 | 未披露 |
更多>>
From June 30, 2019 to September 30, 2019
Shares issued upon exercise of employee stock options for cash
|
2019-09-30 |
| 2019-08-09 | 371.96 | 未披露 | 定期报告 | 2019-08-07 |
| 2019-08-09 | 371.90 | 未披露 |
更多>>
from March 31, 2019 to June 30, 2019
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
2019-06-30 |
| 2019-05-09 | 372.27 | 未披露 | 定期报告 | 2019-05-08 |
| 2019-05-09 | 372.30 | 未披露 |
更多>>
from December 31, 2018 to March 31, 2019
Shares issued upon exercise of employee stock options for cash
|
2019-03-31 |
| 2019-03-14 | 372.26 | 未披露 | 定期报告 | 2019-03-01 |
| 2019-03-14 | 372.00 | 未披露 |
更多>>
from December 31, 2017 to December 31, 2018
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2018-12-31 |
| 2018-11-07 | 373.42 | 未披露 | 定期报告 | 2018-11-06 |
| 2018-11-07 | 373.42 | 未披露 | 定期报告 | 2018-09-30 |
| 2018-08-09 | 373.30 | 未披露 | 定期报告 | 2018-08-07 |
| 2018-08-09 | 373.20 | 未披露 | 定期报告 | 2018-06-30 |
| 2018-05-09 | 373.05 | 未披露 | 定期报告 | 2018-05-07 |
| 2018-05-09 | 372.80 | 未披露 | 定期报告 | 2018-03-31 |
| 2018-03-08 | 372.58 | 未披露 | 定期报告 | 2018-03-02 |
| 2018-03-06 | 372.10 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Shares issued upon exercise of employee stock options for cash
|
2017-12-31 |
| 2017-11-07 | 372.06 | 未披露 | 定期报告 | 2017-11-06 |
| 2017-11-07 | 371.90 | 未披露 | 定期报告 | 2017-09-30 |
| 2017-08-03 | 371.90 | 未披露 | 定期报告 | 2017-08-02 |
| 2017-08-03 | 371.80 | 未披露 | 定期报告 | 2017-06-30 |
| 2017-05-05 | 371.61 | 未披露 | 定期报告 | 2017-05-04 |
| 2017-05-05 | 371.50 | 未披露 | 定期报告 | 2017-03-31 |
| 2017-03-10 | 371.49 | 未披露 | 定期报告 | 2017-03-03 |
| 2017-03-08 | 371.30 | 未披露 |
更多>>
from December 31, 2015 to December 31, 2016
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2016-12-31 |
| 2016-11-04 | 376.13 | 未披露 | 定期报告 | 2016-11-03 |
| 2016-10-26 | 376.12 | 未披露 | 定期报告 | 2016-09-30 |
| 2016-08-08 | 376.10 | 未披露 | 定期报告 | 2016-08-05 |
| 2016-08-08 | 375.97 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-05-06 | 375.82 | 未披露 | 定期报告 | 2016-05-05 |
| 2016-05-06 | 375.66 | 未披露 | 定期报告 | 2016-03-31 |
| 2016-03-10 | 375.34 | 未披露 | 定期报告 | 2016-03-09 |
| 2016-03-10 | 375.20 | 未披露 | 定期报告 | 2016-02-25 |
| 2016-03-10 | 375.12 | 未披露 |
更多>>
From December 31, 2014 to December 31, 2015
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2015-12-31 |
| 2015-11-06 | 375.03 | 未披露 | 定期报告 | 2015-11-05 |
| 2015-11-06 | 375.00 | 未披露 | 定期报告 | 2015-09-30 |
| 2015-08-07 | 375.83 | 未披露 | 定期报告 | 2015-08-06 |
| 2015-08-07 | 375.70 | 未披露 | 定期报告 | 2015-06-30 |
| 2015-04-23 | 375.30 | 未披露 | 定期报告 | 2015-03-31 |
| 2015-03-12 | 375.14 | 未披露 | 定期报告 | 2015-03-11 |
| 2015-03-12 | 375.00 | 未披露 | 定期报告 | 2015-02-27 |
| 2015-03-12 | 374.80 | 未披露 |
更多>>
from December 31, 2013 to December 31, 2014
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2014-12-31 |
| 2014-11-04 | 374.38 | 未披露 | 定期报告 | 2014-11-03 |
| 2014-11-04 | 374.20 | 未披露 | 定期报告 | 2014-09-30 |
| 2014-08-08 | 373.90 | 未披露 | 定期报告 | 2014-08-07 |
| 2014-08-08 | 374.20 | 未披露 | 定期报告 | 2014-06-30 |
| 2014-05-07 | 375.89 | 未披露 | 定期报告 | 2014-05-06 |
| 2014-05-07 | 375.60 | 未披露 | 定期报告 | 2014-03-31 |
| 2014-03-12 | 375.30 | 未披露 | 定期报告 | 2014-03-11 |
| 2014-03-12 | 375.10 | 未披露 | 定期报告 | 2014-02-28 |
| 2014-03-12 | 374.30 | 未披露 |
更多>>
from December 31, 2012 to December 31, 2013
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
|
2013-12-31 |
| 2013-11-06 | 373.98 | 未披露 | 定期报告 | 2013-11-05 |
| 2013-11-06 | 373.80 | 未披露 | 定期报告 | 2013-09-30 |
| 2013-08-08 | 373.50 | 未披露 | 定期报告 | 2013-08-07 |
| 2013-08-08 | 372.80 | 未披露 | 定期报告 | 2013-06-30 |
| 2013-05-08 | 372.30 | 未披露 | 定期报告 | 2013-05-06 |
| 2013-05-08 | 372.20 | 未披露 | 定期报告 | 2013-03-31 |
| 2013-03-07 | 371.30 | 未披露 | 定期报告 | 2013-03-05 |
| 2013-03-07 | 371.10 | 未披露 | 定期报告 | 2013-03-01 |
| 2013-03-07 | 370.30 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2012-12-31 |
| 2012-11-09 | 368.40 | 未披露 | 定期报告 | 2012-11-07 |
| 2012-10-25 | 368.00 | 未披露 | 定期报告 | 2012-10-24 |
| 2012-09-10 | 369.20 | 未披露 | 定期报告 | 2012-09-07 |
| 2012-08-08 | 368.80 | 未披露 | 定期报告 | 2012-08-07 |
| 2012-06-12 | 368.50 | 未披露 | 定期报告 | 2012-06-11 |
| 2012-05-09 | 367.27 | 未披露 | 定期报告 | 2012-05-08 |
| 2012-05-09 | 366.80 | 未披露 | 定期报告 | 2012-03-31 |
| 2012-03-12 | 365.60 | 未披露 | 定期报告 | 2012-03-08 |
| 2012-03-12 | 364.00 | 未披露 |
更多>>
from December 31, 2010 to December 31, 2011
Shares issued upon exercise of employee stock options for cash
|
2011-12-31 |
| 2011-11-07 | 363.90 | 未披露 | 定期报告 | 2011-11-04 |
| 2011-11-07 | 363.80 | 未披露 | 定期报告 | 2011-09-30 |
| 2011-08-08 | 363.48 | 未披露 | 定期报告 | 2011-08-05 |
| 2011-08-08 | 363.50 | 未披露 | 定期报告 | 2011-06-30 |
| 2011-05-10 | 362.27 | 未披露 | 定期报告 | 2011-05-09 |
| 2011-05-10 | 362.10 | 未披露 | 定期报告 | 2011-03-31 |
| 2011-03-03 | 362.00 | 未披露 | 定期报告 | 2011-03-02 |
| 2011-03-03 | 361.90 | 未披露 |
更多>>
from December 31, 2009 to December 31, 2010
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2010-12-31 |
| 2010-11-04 | 361.60 | 未披露 | 定期报告 | 2010-11-03 |
| 2010-11-04 | 361.50 | 未披露 | 定期报告 | 2010-09-30 |
| 2010-08-05 | 361.40 | 未披露 | 定期报告 | 2010-08-04 |
| 2010-08-05 | 362.70 | 未披露 | 定期报告 | 2010-06-30 |
| 2010-03-09 | 361.70 | 未披露 | 定期报告 | 2010-03-04 |
| 2010-03-09 | 361.10 | 未披露 |
更多>>
from December 31, 2008 to December 31, 2009
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2009-12-31 |
| 2009-03-06 | 360.70 | 未披露 | 定期报告 | 2009-03-05 |
| 2009-03-06 | 360.30 | 未披露 |
更多>>
from December 31, 2007 to December 31, 2008
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2008-12-31 |
| 2008-03-07 | 388.40 | 未披露 | 定期报告 | 2008-03-05 |
| 2008-03-07 | 390.50 | 未披露 |
更多>>
from December 31, 2006 to December 31, 2007
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2007-12-31 |
| 2007-03-16 | 394.60 | 未披露 | 定期报告 | 2007-03-10 |
| 2007-03-16 | 394.40 | 未披露 |
更多>>
from December 31, 2005 to December 31, 2006
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2006-12-31 |
| 2006-03-16 | 396.10 | 未披露 | 定期报告 | 2006-03-10 |
| 2006-03-16 | 385.60 | 未披露 |
更多>>
from December 31, 2004 to December 31, 2005
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2005-12-31 |
| 2005-03-16 | 409.01 | 未披露 | 定期报告 | 2005-03-04 |
| 2005-03-16 | 410.50 | 未披露 |
更多>>
from December 31, 2003 to December 31, 2004
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2004-12-31 |
| 2004-03-15 | 448.26 | 未披露 | 定期报告 | 2004-03-05 |
| 2004-03-15 | 454.40 | 未披露 |
更多>>
from December 31, 2002 to December 31, 2003
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2003-12-31 |
| 2003-03-27 | 444.90 | 未披露 | 定期报告 | 2003-03-07 |
| 2003-03-27 | 444.30 | 未披露 |
更多>>
from December 31, 2001 to December 31, 2002
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
|
2002-12-31 |
| 2002-04-01 | 500.28 | 未披露 | 定期报告 | 2002-03-08 |
| 2002-04-01 | 502.90 | 未披露 |
更多>>
from December 31, 2000 to December 31, 2001
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
2001-12-31 |
| 2001-03-29 | 501.34 | 未披露 | 定期报告 | 2001-03-09 |
| 2001-03-29 | 500.30 | 未披露 |
更多>>
from December 31, 1999 to December 31, 2000
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
2000-12-31 |
| 2000-03-30 | 644.20 | 未披露 | 定期报告 | 2000-03-10 |
| 2000-03-30 | 645.30 | 未披露 |
更多>>
from December 31, 1998 to December 31, 1999
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
1999-12-31 |
| 1999-03-30 | 784.03 | 未披露 | 定期报告 | 1999-03-12 |
| 1999-03-30 | 804.60 | 未披露 |
更多>>
from December 31, 1997 to December 31, 1998
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
1998-12-31 |
| 1998-03-31 | 830.50 | 未披露 |
更多>>
from December 31, 1996 to December 31, 1997
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
1997-12-31 |
| 1997-03-31 | 860.47 | 未披露 | 定期报告 | 1997-03-14 |
| 1997-03-31 | 878.57 | 未披露 |
更多>>
from DECEMBER 31, 1995 to DECEMBER 31, 1996
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
|
1996-12-31 |
| 1996-04-01 | 972.73 | 未披露 | 定期报告 | 1996-03-15 |
| 1996-04-01 | 979.09 | 未披露 |
更多>>
from DECEMBER 31, 1994 to DECEMBER 31, 1995
Shares issued upon exercise of employee stock options for cash
Shares issued upon exercise of employee purchase rights
Common stock purchased and retired
|
1995-12-31 |
| 1996-04-01 | 999.36 | 未披露 |
更多>>
from DECEMBER 31, 1993 to DECEMBER 31, 1994
Shares issued upon exercise of employee stock options for cash
Shares issued upon exer-cise of employee pur-chase rights
|
1994-12-31 |
From June 30, 2025 to September 30, 2025
Common stock purchased and retired
From March 31, 2025 to June 30, 2025
Common stock purchased and retired
From December 31, 2024 to March 31, 2025
Common stock purchased and retired
From December 31, 2023 to December 31, 2024
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
From June 30, 2024 to September 30, 2024
Common stock purchased and retired
From March 31, 2024 to June 30, 2024
Common stock purchased and retired
Shares issued upon exercise of employee stock options for cash
From December 31, 2023 to March 31, 2024
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
From June 30, 2023 to August 10, 2023
Shares issued upon exercise of employee stock options for cash
From March 31, 2023 to June 30, 2023
Shares issued upon exercise of employee stock options for cash
From March 31, 2022 to June 30, 2022
Common stock purchased and retired
From December 31, 2020 to December 31, 2021
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
From June 30, 2021 to September 30, 2021
Shares issued upon exercise of employee stock options for cash
From December 31, 2020 to March 31, 2021
Shares issued upon exercise of employee stock options for cash
from December 31, 2019 to December 31, 2020
Common stock purchased and retired
Shares issued upon exercise of employee
From June 30, 2020 to September 30, 2020
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
from March 31, 2020 to June 30, 2020
Shares issued upon exercise of employee stock options for cash
From December 31, 2019 to March 31, 2020
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
from December 31, 2018 to December 31, 2019
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
From June 30, 2019 to September 30, 2019
Shares issued upon exercise of employee stock options for cash
from March 31, 2019 to June 30, 2019
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
from December 31, 2018 to March 31, 2019
Shares issued upon exercise of employee stock options for cash
from December 31, 2017 to December 31, 2018
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2016 to December 31, 2017
Shares issued upon exercise of employee stock options for cash
from December 31, 2015 to December 31, 2016
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
From December 31, 2014 to December 31, 2015
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2013 to December 31, 2014
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2012 to December 31, 2013
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
from December 31, 2011 to December 31, 2012
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2010 to December 31, 2011
Shares issued upon exercise of employee stock options for cash
from December 31, 2009 to December 31, 2010
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2008 to December 31, 2009
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2007 to December 31, 2008
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2006 to December 31, 2007
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2005 to December 31, 2006
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2004 to December 31, 2005
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2003 to December 31, 2004
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2002 to December 31, 2003
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2001 to December 31, 2002
Shares issued upon exercise of employee stock options for cash
Shares received and retired upon exercise of stock options
Common stock purchased and retired
from December 31, 2000 to December 31, 2001
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
from December 31, 1999 to December 31, 2000
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
from December 31, 1998 to December 31, 1999
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
from December 31, 1997 to December 31, 1998
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
from December 31, 1996 to December 31, 1997
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
from DECEMBER 31, 1995 to DECEMBER 31, 1996
Shares issued upon exercise of employee stock options for cash
Common stock purchased and retired
from DECEMBER 31, 1994 to DECEMBER 31, 1995
Shares issued upon exercise of employee stock options for cash
Shares issued upon exercise of employee purchase rights
Common stock purchased and retired
from DECEMBER 31, 1993 to DECEMBER 31, 1994
Shares issued upon exercise of employee stock options for cash
Shares issued upon exer-cise of employee pur-chase rights