股本结构

单位:万股
公告日期 2025-10-31 2025-10-31 2025-08-01 2025-08-01 2025-05-02 2025-05-02
证券总股本 6561.92 6560.00 6588.05 6580.00 6604.07 6610.00
普通股本 6561.92 6560.00 6588.05 6580.00 6604.07 6610.00
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 2025-10-27 2025-09-30 2025-07-28 2025-06-30 2025-04-28 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
2025-10-31 6561.92 未披露 定期报告 2025-10-27
2025-10-31 6560.00 未披露
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From June 30, 2025 to September 30, 2025 Stock awards and option exercises Treasury stock purchased Excise tax on treasury shares
2025-09-30
2025-08-01 6588.05 未披露 定期报告 2025-07-28
2025-08-01 6580.00 未披露
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From March 31, 2025 to June 30, 2025 Stock awards and option exercises Treasury stock purchased Excise tax on treasury shares
2025-06-30
2025-05-02 6604.07 未披露 定期报告 2025-04-28
2025-05-02 6610.00 未披露
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From December 31, 2024 to March 31, 2025 Stock awards and option exercises Treasury stock purchased Excise tax on treasury shares
2025-03-31
2025-03-28 6596.61 未披露 定期报告 2025-03-14
2025-02-07 6649.53 未披露 定期报告 2025-02-03
2025-02-07 6650.00 未披露
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From December 31, 2023 to December 31, 2024 Stock awards and option exercises Treasury stock purchased
2024-12-31
2024-10-25 6654.33 未披露 定期报告 2024-10-21
2024-10-25 6650.00 未披露
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From June 30, 2024 to September 30, 2024 Stock awards and option exercises Treasury stock purchased
2024-09-30
2024-07-26 6638.84 未披露 定期报告 2024-07-22
2024-07-26 6630.00 未披露
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From March 31, 2024 to June 30, 2024 Stock awards and option exercises Treasury stock purchased
2024-06-30
2024-04-26 6626.36 未披露 定期报告 2024-04-22
2024-04-26 6620.00 未披露 定期报告 2024-03-31
2024-03-22 6616.57 未披露 定期报告 2024-03-08
2024-02-09 6601.63 未披露 定期报告 2024-02-05
2024-02-09 6590.00 未披露
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From December 31,2022 to December 31,2023 Stock awards and option exercises Treasury stock purchased
2023-12-31
2023-10-26 6578.13 未披露 定期报告 2023-10-20
2023-10-26 6580.00 未披露
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From June 30,2023 to September 30,2023 Stock awards and option exercises Treasury stock purchased
2023-09-30
2023-07-28 6563.71 未披露 定期报告 2023-07-24
2023-07-28 6560.00 未披露
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From March 31, 2023 to June 30, 2023 Stock awards and option exercises Treasury stock purchased
2023-06-30
2023-04-28 6552.14 未披露 定期报告 2023-04-24
2023-04-28 6540.00 未披露
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From December 31, 2022 to March 31, 2023 Stock awards and option exercises Treasury stock purchased
2023-03-31
2023-03-24 6538.49 未披露 定期报告 2023-03-10
2023-02-17 6540.04 未披露 定期报告 2023-02-13
2023-02-17 6520.00 未披露
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From December 31, 2021 to December 31, 2022 Stock awards and option exercises Treasury stock purchased
2022-12-31
2022-10-28 6528.40 未披露 定期报告 2022-10-21
2022-10-28 6530.00 未披露
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From June 30, 2022 to September 30, 2022 Net income (loss) Cash dividends declared on common stock
2022-09-30
2022-07-29 6533.70 未披露 定期报告 2022-07-22
2022-07-29 6540.00 未披露
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From March 31, 2022 to June 30, 2022 Stock awards and option exercises Treasury stock purchased
2022-06-30
2022-04-29 6557.31 未披露 定期报告 2022-04-22
2022-04-29 6550.00 未披露
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From December 31, 2021 to March 31, 2022 Stock awards and option exercises Treasury stock purchased
2022-03-31
2022-03-25 6555.68 未披露 定期报告 2022-03-11
2022-02-18 6556.21 未披露 定期报告 2022-02-14
2022-02-18 6550.00 未披露
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From December 31, 2020 to December 31, 2021 Stock awards and option exercises Treasury stock purchased
2021-12-31
2021-10-29 6582.71 未披露 定期报告 2021-10-22
2021-10-29 6580.00 未披露
更多>>
From June 30, 2021 to September 30, 2021 Stock awards and option exercises
2021-09-30
2021-07-30 6595.95 未披露 定期报告 2021-07-23
2021-07-30 6590.00 未披露
更多>>
From March 31, 2021 to June 30, 2021 Stock awards and option exercises
2021-06-30
2021-04-30 6571.49 未披露 定期报告 2021-04-23
2021-04-30 6560.00 未披露
更多>>
from December 31, 2020 to March 31, 2021 Stock awards and option exercises
2021-03-31
2021-03-26 6601.28 未披露 定期报告 2021-03-12
2021-02-19 6516.32 未披露 定期报告 2021-02-15
2021-02-19 6500.00 未披露
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From December 31,2019 to December 31,2020 Stock awards and option exercises
2020-12-31
2020-10-30 6472.25 未披露 定期报告 2020-10-23
2020-10-30 6470.00 未披露
更多>>
From June 30, 2020 to September 30, 2020 Stock awards and option exercises
2020-09-30
2020-07-31 6447.38 未披露 定期报告 2020-07-24
2020-07-31 6430.00 未披露
更多>>
From March 31, 2020 to June 30, 2020 Stock awards and option exercises
2020-06-30
2020-05-01 6418.68 未披露 定期报告 2020-04-24
2020-05-01 6420.00 未披露
更多>>
From December 31, 2019 to March 31, 2020 Stock awards and option exercises
2020-03-31
2020-03-27 6504.61 未披露 定期报告 2020-03-13
2020-02-24 6405.41 未披露 定期报告 2020-02-18
2020-02-24 6380.00 未披露
更多>>
From December 31, 2018 to December 31, 2019 Stock awards and option exercises Treasury stock purchased
2019-12-31
2019-11-01 6392.71 未披露 定期报告 2019-10-25
2019-11-01 6390.00 未披露
更多>>
From June 30, 2019 to September 30, 2019 Stock awards and option exercises Common stock purchased
2019-09-30
2019-08-01 6404.12 未披露 定期报告 2019-07-25
2019-08-01 6400.00 未披露
更多>>
From March 31, 2019 to June 30, 2019 Stock awards and option exercises Common stock repurchased and retired
2019-06-30
2019-05-01 6319.22 未披露 定期报告 2019-04-24
2019-05-01 6310.00 未披露
更多>>
From December 31, 2018 to March 31, 2019 Stock awards and option exercises Treasury stock purchased
2019-03-31
2019-03-22 6301.35 未披露 定期报告 2019-03-08
2019-02-21 6293.07 未披露 定期报告 2019-02-15
2019-02-21 6290.00 未披露
更多>>
From December 31, 2017 to December 31, 2018 Stock awards and option exercises Common stock repurchased and retired Treasury stock purchased
2018-12-31
2018-11-05 6281.41 未披露 定期报告 2018-10-30
2018-11-05 6270.00 未披露
更多>>
From December 31, 2017 to September 30, 2018 Stock awards and option exercises Common stock repurchased and retired Treasury stock purchased
2018-09-30
2018-08-01 6218.32 未披露 定期报告 2018-07-25
2018-08-01 6210.00 未披露
更多>>
From December 31, 2017 to June 30, 2018 Stock awards and option exercises Common stock repurchased and retired Treasury stock purchased
2018-06-30
2018-05-03 6238.69 未披露 定期报告 2018-04-26
2018-05-03 6240.00 未披露
更多>>
From December 31, 2017 to March 31, 2018 Stock awards and option exercises Treasury stock purchased Common stock repurchased and retired
2018-03-31
2018-03-22 6234.35 未披露 定期报告 2018-03-09
2018-02-26 6211.16 未披露 定期报告 2018-02-19
2018-02-26 6180.00 未披露
更多>>
from December 31, 2016 to December 31, 2017 Stock awards and option exercises Treasury stock purchased Common stock repurchased and retired
2017-12-31
2017-11-01 6229.38 未披露 定期报告 2017-10-26
2017-11-01 6230.00 未披露
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From December 31, 2016 To September 30, 2017 Stock awards and option exercises Treasury stock purchased Common stock repurchased and retired
2017-09-30
2017-08-02 6272.45 未披露 定期报告 2017-07-27
2017-08-02 6260.00 未披露
更多>>
from December 31, 2016 to June 30, 2017 Stock awards and option exercises Treasury stock purchased
2017-06-30
2017-05-01 6242.88 未披露 定期报告 2017-04-24
2017-05-01 6250.00 未披露
更多>>
from December 31, 2016 to March 31, 2017 Stock awards and option exercises Common stock repurchased and retired
2017-03-31
2017-03-22 6247.45 未披露 定期报告 2017-03-10
2017-02-27 6232.96 未披露 定期报告 2017-02-20
2017-02-27 6214.70 未披露
更多>>
From December 31, 2015 to December 31, 2016 Employee option exercises Director option exercises Restricted stock vestings Common stock repurchased and retired
2016-12-31
2016-11-04 6269.15 未披露 定期报告 2016-10-31
2016-11-04 6260.00 未披露
更多>>
From December 31,2015 to September 30,2016 Stock option exercises & restricted stock vestings Common stock repurchased and retired
2016-09-30
2016-08-01 6293.54 未披露 定期报告 2016-07-26
2016-08-01 6290.00 未披露
更多>>
from December 31, 2015 to June 30, 2016 Stock option exercises & restricted stock vestings Common stock repurchased and retired
2016-06-30
2016-05-03 6315.58 未披露 定期报告 2016-04-27
2016-05-03 6290.00 未披露
更多>>
from December 31, 2015 to March 31, 2016 Stock option exercises & restricted stock vestings Common stock repurchased and retired
2016-03-31
2016-03-22 6291.93 未披露 定期报告 2016-03-10
2016-02-25 6284.26 未披露 定期报告 2016-02-23
2016-02-25 6251.69 未披露
更多>>
From December 31, 2014 to December 31, 2015 Employee option exercises Director option exercises Restricted stock vestings Common stock repurchases Common stock repurchased and retired Stock retirements
2015-12-31
2015-11-05 6244.70 未披露 定期报告 2015-11-02
2015-11-05 6240.00 未披露
更多>>
from December 31, 2014 to September 30, 2015 Treasury shares retired Stock option exercises & restricted stock vestings Treasury stock purchased
2015-09-30
2015-07-31 6279.57 未披露 定期报告 2015-07-27
2015-07-31 6280.00 未披露
更多>>
from December 31, 2014 to June 30, 2015 Stock option exercises & restricted stock vestings
2015-06-30
2015-05-04 6259.98 未披露 定期报告 2015-04-28
2015-05-04 6250.00 未披露
更多>>
From December 31, 2014 to March 31, 2015 Stock option exercises & restricted stock vestings
2015-03-31
2015-03-24 6249.75 未披露 定期报告 2015-03-12
2015-02-27 6233.41 未披露 定期报告 2015-02-23
2015-02-27 6193.11 未披露
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from December 31,2013 to December 31,2014 Employee option exercises Director option exercises Restricted stock vestings Common stock repurchases
2014-12-31
2014-11-06 6472.78 未披露 定期报告 2014-11-03
2014-11-06 6470.00 未披露
更多>>
from December 31, 2013 to September 30, 2014 Stock option exercises & restricted stock vestings Treasury stock purchased
2014-09-30
2014-08-04 6517.81 未披露 定期报告 2014-07-29
2014-08-04 6520.00 未披露
更多>>
from December 31, 2013 to June 30, 2014 Stock option exercises & restricted stock vestings
2014-06-30
2014-05-05 6545.37 未披露 定期报告 2014-04-30
2014-05-05 6550.00 未披露
更多>>
from December 31, 2013 to March 31, 2014 Stock option exercises & restricted stock vestings Treasury stock purchased
2014-03-31
2014-03-25 6552.91 未披露 定期报告 2014-03-13
2014-02-28 6552.99 未披露 定期报告 2014-02-24
2014-02-28 6540.00 未披露
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from December 31,2012 to December 31,2013 Stock option exercises & restricted stock vestings Treasury stock purchased
2013-12-31
2013-11-04 6585.32 未披露 定期报告 2013-10-29
2013-11-04 6580.00 未披露
更多>>
from December 31, 2012 to September 30, 2013 Stock option exercises & restricted stock vestings Treasury stock purchased
2013-09-30
2013-08-05 6628.33 未披露 定期报告 2013-07-30
2013-08-05 6620.00 未披露
更多>>
from December 31, 2012 to June 30, 2013 Stock option exercises & restricted stock vestings Treasury stock purchased
2013-06-30
2013-05-06 6669.64 未披露 定期报告 2013-05-01
2013-05-06 6640.00 未披露
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from December 31, 2012 to March 31, 2013 Net income (loss) Stock option exercises & restricted stock vestings Treasury stock purchased
2013-03-31
2013-03-26 6626.64 未披露 定期报告 2013-03-14
2013-02-28 6621.34 未披露 定期报告 2013-02-21
2013-02-28 6590.00 未披露
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from December 31, 2011 to December 31, 2012 Stock option exercises & restricted stock vestings Treasury stock purchased
2012-12-31
2012-11-02 6641.58 未披露 定期报告 2012-10-29
2012-11-02 6640.00 未披露
更多>>
from December 31, 2011 to September 30, 2012 Stock option exercises & restricted stock vestings Treasury stock purchased
2012-09-30
2012-08-06 6659.36 未披露 定期报告 2012-08-03
2012-08-06 6660.00 未披露
更多>>
from December 31, 2011 to June 30, 2012 Stock option exercises & restricted stock vestings Treasury stock purchased
2012-06-30
2012-05-08 6657.30 未披露 定期报告 2012-05-01
2012-05-08 6650.00 未披露
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from December 31, 2011 to March 31, 2012 Stock option exercises & restricted stock vestings
2012-03-31
2012-02-24 6614.19 未披露 定期报告 2012-02-17
2012-02-24 6585.23 未披露
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from December 31, 2010 to December 31, 2011 Stock option exercises & restricted stock vestings
2011-12-31
2011-11-02 6607.02 未披露 定期报告 2011-10-27
2011-11-02 6600.00 未披露
更多>>
from Dec 31,2010 to Sep 30,2011 Stock option exercises & restricted stock vestings Treasury stock purchased
2011-09-30
2011-08-03 6677.58 未披露 定期报告 2011-07-25
2011-08-03 6670.00 未披露
更多>>
from December 31, 2010 to June 30, 2011 Stock option exercises & restricted stock vestings Treasury stock purchased
2011-06-30
2011-05-09 6721.77 未披露 定期报告 2011-05-05
2011-05-09 6690.00 未披露
更多>>
Stock option exercises & restricted stock vestings Treasury stock purchased
2011-03-31
2011-02-25 6702.43 未披露 定期报告 2011-02-22
2011-02-25 6680.00 未披露
更多>>
from dec 31 2009 to dec 31 2010 Stock option exercises & restricted stock vestings Treasury stock purchased
2010-12-31
2010-11-03 6707.42 未披露 定期报告 2010-10-28
2010-11-03 6700.00 未披露
更多>>
from dec 31 2009 to sep 30 2010 Stock option exercises & restricted stock vestings Treasury stock purchased
2010-09-30
2010-08-04 6745.71 未披露 定期报告 2010-07-27
2010-08-04 6740.00 未披露
更多>>
from dec 31 2009 to Jun 30 2010 Stock option exercises & restricted stock vestings Treasury stock purchased
2010-06-30
2010-05-04 6788.59 未披露 定期报告 2010-04-29
2010-02-26 6784.55 未披露 定期报告 2010-02-23
2010-02-26 6730.00 未披露
更多>>
from December 31, 2008 to December 31, 2009 Stock option exercises & restricted stock vestings Treasury stock purchased
2009-12-31
2009-02-27 6779.55 未披露 定期报告 2009-02-23
2009-02-27 6760.00 未披露
更多>>
from December 31, 2007 to December 31, 2008 Stock option exercises & restricted stock vestings Treasury stock purchased
2008-12-31
2008-02-28 6831.17 未披露 定期报告 2008-02-22
2008-02-28 6820.00 未披露
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from December 31, 2006 to December 31, 2007 Stock option exercises & restricted stock vestings Adjustment for stock split Treasury stock purchased In May 2007, the Company effected a two-for-one stock split.
2007-12-31
2007-02-28 3468.48 未披露 定期报告 2007-02-22
2007-02-28 3460.00 未披露
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from December 31, 2005 to December 31, 2006 Stock option exercises & restricted stock vestings Treasury stock purchased
2006-12-31
2006-02-27 3518.25 未披露 定期报告 2006-02-22
2006-02-27 3490.00 未披露
更多>>
from December 31, 2004 to December 31, 2005 Stock option exercises & restricted stock vestings Treasury stock purchased
2005-12-31
2005-02-28 3571.94 未披露 定期报告 2005-02-17
2005-02-28 3560.00 未披露
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from December 31, 2003 to December 31, 2004 Stock option exercises & restricted stock vestings Treasury stock purchased
2004-12-31
2004-03-03 3644.79 未披露 定期报告 2004-02-25
2004-03-03 3630.00 未披露
更多>>
from December 31, 2002 to December 31, 2003 Stock option exercises Treasury stock purchased
2003-12-31
2003-03-12 3595.22 未披露 定期报告 2003-02-26
2003-03-12 3590.00 未披露
更多>>
from December 31, 2001 to December 31, 2002 Stock option exercises Treasury stock purchased
2002-12-31
2002-03-22 3588.03 未披露 定期报告 2002-03-14
2002-03-22 3580.00 未披露
更多>>
from DECEMBER 31, 2000 to DECEMBER 31, 2001 Stock option exercises Treasury stock purchased
2001-12-31
2001-03-22 3568.87 未披露 定期报告 2001-03-12
2001-03-22 3560.00 未披露
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from DECEMBER 31, 1999 to DECEMBER 31, 2000 Stock awards Treasury stock purchased
2000-12-31
2000-03-23 3588.54 未披露 定期报告 2000-03-16
2000-03-23 3626.45 未披露
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from December 31, 1998 to December 31, 1999 Stock awards Stock issued for acquisitions Cash dividends declared on common stock Treasury stock purchased
1999-12-31
1999-03-30 3608.92 未披露 定期报告 1999-03-24
1999-03-30 3610.00 未披露
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from December 31, 1997 to December 31, 1998 Cash dividends declared on common stock
1998-12-31
1998-03-27 1800.29 未披露 定期报告 1998-03-25
1998-03-27 1798.90 未披露
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from December 31, 1996 to December 31, 1997 Stock awards
1997-12-31
1997-03-21 1795.70 未披露 定期报告 1997-03-20
1997-03-21 1795.00 未披露
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from DECEMBER 31, 1995 to DECEMBER 31, 1996 Options exercised
1996-12-31
1997-03-21 1792.50 未披露
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from DECEMBER 31, 1994 to DECEMBER 31, 1995 Options exercised
1995-12-31
1997-03-21 1791.40 未披露
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from DECEMBER 31, 1993 to DECEMBER 31, 1994 Sale of common stock
1994-12-31
1997-03-21 1607.90 未披露 定期报告 1993-12-31
From June 30, 2025 to September 30, 2025 Stock awards and option exercises Treasury stock purchased Excise tax on treasury shares
From March 31, 2025 to June 30, 2025 Stock awards and option exercises Treasury stock purchased Excise tax on treasury shares
From December 31, 2024 to March 31, 2025 Stock awards and option exercises Treasury stock purchased Excise tax on treasury shares
From December 31, 2023 to December 31, 2024 Stock awards and option exercises Treasury stock purchased
From June 30, 2024 to September 30, 2024 Stock awards and option exercises Treasury stock purchased
From March 31, 2024 to June 30, 2024 Stock awards and option exercises Treasury stock purchased
From December 31,2022 to December 31,2023 Stock awards and option exercises Treasury stock purchased
From June 30,2023 to September 30,2023 Stock awards and option exercises Treasury stock purchased
From March 31, 2023 to June 30, 2023 Stock awards and option exercises Treasury stock purchased
From December 31, 2022 to March 31, 2023 Stock awards and option exercises Treasury stock purchased
From December 31, 2021 to December 31, 2022 Stock awards and option exercises Treasury stock purchased
From June 30, 2022 to September 30, 2022 Net income (loss) Cash dividends declared on common stock
From March 31, 2022 to June 30, 2022 Stock awards and option exercises Treasury stock purchased
From December 31, 2021 to March 31, 2022 Stock awards and option exercises Treasury stock purchased
From December 31, 2020 to December 31, 2021 Stock awards and option exercises Treasury stock purchased
From June 30, 2021 to September 30, 2021 Stock awards and option exercises
From March 31, 2021 to June 30, 2021 Stock awards and option exercises
from December 31, 2020 to March 31, 2021 Stock awards and option exercises
From December 31,2019 to December 31,2020 Stock awards and option exercises
From June 30, 2020 to September 30, 2020 Stock awards and option exercises
From March 31, 2020 to June 30, 2020 Stock awards and option exercises
From December 31, 2019 to March 31, 2020 Stock awards and option exercises
From December 31, 2018 to December 31, 2019 Stock awards and option exercises Treasury stock purchased
From June 30, 2019 to September 30, 2019 Stock awards and option exercises Common stock purchased
From March 31, 2019 to June 30, 2019 Stock awards and option exercises Common stock repurchased and retired
From December 31, 2018 to March 31, 2019 Stock awards and option exercises Treasury stock purchased
From December 31, 2017 to December 31, 2018 Stock awards and option exercises Common stock repurchased and retired Treasury stock purchased
From December 31, 2017 to September 30, 2018 Stock awards and option exercises Common stock repurchased and retired Treasury stock purchased
From December 31, 2017 to June 30, 2018 Stock awards and option exercises Common stock repurchased and retired Treasury stock purchased
From December 31, 2017 to March 31, 2018 Stock awards and option exercises Treasury stock purchased Common stock repurchased and retired
from December 31, 2016 to December 31, 2017 Stock awards and option exercises Treasury stock purchased Common stock repurchased and retired
From December 31, 2016 To September 30, 2017 Stock awards and option exercises Treasury stock purchased Common stock repurchased and retired
from December 31, 2016 to June 30, 2017 Stock awards and option exercises Treasury stock purchased
from December 31, 2016 to March 31, 2017 Stock awards and option exercises Common stock repurchased and retired
From December 31, 2015 to December 31, 2016 Employee option exercises Director option exercises Restricted stock vestings Common stock repurchased and retired
From December 31,2015 to September 30,2016 Stock option exercises & restricted stock vestings Common stock repurchased and retired
from December 31, 2015 to June 30, 2016 Stock option exercises & restricted stock vestings Common stock repurchased and retired
from December 31, 2015 to March 31, 2016 Stock option exercises & restricted stock vestings Common stock repurchased and retired
From December 31, 2014 to December 31, 2015 Employee option exercises Director option exercises Restricted stock vestings Common stock repurchases Common stock repurchased and retired Stock retirements
from December 31, 2014 to September 30, 2015 Treasury shares retired Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2014 to June 30, 2015 Stock option exercises & restricted stock vestings
From December 31, 2014 to March 31, 2015 Stock option exercises & restricted stock vestings
from December 31,2013 to December 31,2014 Employee option exercises Director option exercises Restricted stock vestings Common stock repurchases
from December 31, 2013 to September 30, 2014 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2013 to June 30, 2014 Stock option exercises & restricted stock vestings
from December 31, 2013 to March 31, 2014 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31,2012 to December 31,2013 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2012 to September 30, 2013 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2012 to June 30, 2013 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2012 to March 31, 2013 Net income (loss) Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2011 to December 31, 2012 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2011 to September 30, 2012 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2011 to June 30, 2012 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2011 to March 31, 2012 Stock option exercises & restricted stock vestings
from December 31, 2010 to December 31, 2011 Stock option exercises & restricted stock vestings
from Dec 31,2010 to Sep 30,2011 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2010 to June 30, 2011 Stock option exercises & restricted stock vestings Treasury stock purchased
Stock option exercises & restricted stock vestings Treasury stock purchased
from dec 31 2009 to dec 31 2010 Stock option exercises & restricted stock vestings Treasury stock purchased
from dec 31 2009 to sep 30 2010 Stock option exercises & restricted stock vestings Treasury stock purchased
from dec 31 2009 to Jun 30 2010 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2008 to December 31, 2009 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2007 to December 31, 2008 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2006 to December 31, 2007 Stock option exercises & restricted stock vestings Adjustment for stock split Treasury stock purchased In May 2007, the Company effected a two-for-one stock split.
from December 31, 2005 to December 31, 2006 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2004 to December 31, 2005 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2003 to December 31, 2004 Stock option exercises & restricted stock vestings Treasury stock purchased
from December 31, 2002 to December 31, 2003 Stock option exercises Treasury stock purchased
from December 31, 2001 to December 31, 2002 Stock option exercises Treasury stock purchased
from DECEMBER 31, 2000 to DECEMBER 31, 2001 Stock option exercises Treasury stock purchased
from DECEMBER 31, 1999 to DECEMBER 31, 2000 Stock awards Treasury stock purchased
from December 31, 1998 to December 31, 1999 Stock awards Stock issued for acquisitions Cash dividends declared on common stock Treasury stock purchased
from December 31, 1997 to December 31, 1998 Cash dividends declared on common stock
from December 31, 1996 to December 31, 1997 Stock awards
from DECEMBER 31, 1995 to DECEMBER 31, 1996 Options exercised
from DECEMBER 31, 1994 to DECEMBER 31, 1995 Options exercised
from DECEMBER 31, 1993 to DECEMBER 31, 1994 Sale of common stock