股本结构

单位:万股
公告日期 2025-10-23 2025-07-24 2025-04-28 2025-04-24 2025-02-20 2025-02-20
证券总股本 20303.86 20848.14 20985.65 21073.88 21042.35 21038.23
普通股本 20303.86 20848.14 20985.65 21073.88 21042.35 21038.23
优先股 250.00 250.00 未披露 251.07 未披露 251.07
其他 未披露 未披露 未披露 未披露 未披露 未披露
变动日期 2025-09-30 2025-06-30 2025-04-21 2025-03-31 2025-01-31 2024-12-31
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
2025-10-23 20303.86 250.00
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From June 30, 2025 to September 30, 2025 Shares repurchased related to employee stock-based compensation plans Common stock repurchased Issuance of common shares
2025-09-30
2025-07-24 20848.14 250.00
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From March 31, 2025 to June 30, 2025 Issuance of common shares Common stock repurchased
2025-06-30
2025-04-28 20985.65 未披露 定期报告 2025-04-21
2025-04-24 21073.88 251.07
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From December 31, 2024 to March 31, 2025 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2025-03-31
2025-02-20 21042.35 未披露 定期报告 2025-01-31
2025-02-20 21038.23 251.07
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From December 31, 2023 to December 31, 2024 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2024-12-31
2024-10-23 21233.05 未披露
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From June 30, 2024 to September 30, 2024 Issuance of common shares Common stock repurchased Stock-based compensation plans
2024-09-30
2024-07-24 21746.14 250.00
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From March 31, 2024 to June 30, 2024 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2024-06-30
2024-04-26 21971.59 未披露 定期报告 2024-04-22
2024-04-24 22027.58 250.00
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From December 31, 2023 to March 31, 2024 Shares repurchased related to employee stock-based compensation plans Issuance of common shares Common stock repurchased
2024-03-31
2024-04-26 22084.54 未披露 定期报告 2024-02-29
2024-02-22 22034.97 未披露 定期报告 2024-01-31
2024-02-22 22034.39 250.00
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From December 31, 2022 to December 31, 2023 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2023-12-31
2023-10-25 22627.11 未披露
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From June 30, 2023 to September 30, 2023 Shares repurchased related to employee stock-based compensation plans Issuance of common shares Common stock repurchased
2023-09-30
2023-07-26 22608.09 250.00
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From March 31, 2023 to June 30, 2023 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2023-06-30
2023-04-27 24237.90 未披露 定期报告 2023-04-21
2023-04-26 24224.98 250.00
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From December 31, 2022 to March 31, 2023 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
2023-03-31
2023-02-23 24118.90 未披露 定期报告 2023-01-31
2023-02-23 24067.54 250.00
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From December 31, 2021 to December 31,2022 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2022-12-31
2022-10-26 25019.68 250.00
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From June 30, 2022 to September 30, 2022 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2022-09-30
2022-07-27 25138.41 未披露
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From March 31, 2022 to June 30, 2022 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2022-06-30
2022-04-28 26921.41 未披露 定期报告 2022-04-22
2022-04-27 27108.36 未披露
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From December 31, 2021 to March 31, 2022 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2022-03-31
2022-04-28 27778.34 未披露 定期报告 2022-02-28
2022-02-24 27939.29 未披露 定期报告 2022-01-31
2022-02-24 27890.00 250.00
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From December 31, 2020 to December 31, 2021 Dividend equivalent units related to employee stock-based compensation plans Issuance of common shares Common stock repurchased and cancelled Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2021-12-31
2021-10-20 29317.74 251.07
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20210630-20210930 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
2021-09-30
2021-07-21 30580.72 250.00
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20210331-20210630 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
2021-06-30
2021-04-22 32286.92 未披露 定期报告 2021-04-12
2021-04-21 32835.16 250.00
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20200101-20210331 发行普通股 普通股回购 与员工股票薪酬计划相关的回购股份
2021-03-31
2021-02-25 36367.14 未披露 定期报告 2021-01-31
2021-02-25 37530.00 250.00
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From January 1, 2020 to December 31, 2020 Repurchase of Preferred Stock, series B Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2020-12-31
2020-10-21 37523.78 400.00
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20200630-20200930 发行普通股 与员工股票薪酬计划有关的股份回购
2020-09-30
2020-07-22 37523.58 400.00
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20200331-20200630 发行普通股 与员工股票薪酬计划有关的股份回购
2020-06-30
2020-04-28 37509.65 未披露 定期报告 2020-04-21
2020-04-22 37508.90 400.00
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20191231-20200331 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
2020-03-31
2020-04-28 41996.25 未披露 定期报告 2020-02-28
2020-02-28 42261.52 未披露 定期报告 2020-01-31
2020-02-28 42110.00 400.00
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20181231-20191231 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
2019-12-31
2019-10-23 42216.89 400.00
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20190630-20190930 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
2019-09-30
2019-07-24 42659.50 400.00
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20190331-20190630 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
2019-06-30
2019-04-26 43226.91 未披露 定期报告 2019-04-23
2019-04-17 43242.73 400.00
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20181231-20190331 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
2019-03-31
2019-04-26 43428.62 未披露 定期报告 2019-02-28
2019-02-28 43680.26 未披露 定期报告 2019-01-31
2019-02-28 43570.00 400.00
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20171231-20181231 发行普通股 与员工持股计划有关的股份回购
2018-12-31
2018-10-22 43566.15 400.00
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20171231-20180930 发行普通股 股份回购与员工股票薪酬计划有关
2018-09-30
2018-07-24 43538.06 400.00
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20171231-20180630 发行普通股 股份回购与员工股票薪酬计划有关
2018-06-30
2018-04-27 43522.12 未披露 定期报告 2018-04-25
2018-04-23 43519.62 400.00
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20171231-20180331 发行普通股 股份回购与员工股票薪酬计划有关
2018-03-31
2018-04-27 43504.44 未披露 定期报告 2018-02-28
2018-02-23 43354.93 未披露 定期报告 2018-01-31
2018-02-23 43240.00 400.00
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20161231-20171231 赎回A系列优先股 发行普通股 与员工持股计划有关的股份回购
2017-12-31
2017-10-18 43188.97 400.00
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20161231-20170930 赎回A系列优先股 发行普通股 与员工持股计划有关的股份回购
2017-09-30
2017-07-19 43154.84 400.00
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20161231-20170630 赎回A系列优先股 发行普通股 与员工持股计划有关的股份回购
2017-06-30
2017-04-27 43133.44 未披露 定期报告 2017-04-25
2017-04-19 43110.00 730.00
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20161231-20170331 发行普通股 与员工持股计划有关的股份回购
2017-03-31
2017-02-24 42910.11 未披露 定期报告 2017-01-31
2017-02-24 42890.00 730.00
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20151231-20161231 发行普通股 与员工持股计划有关的股份回购
2016-12-31
2016-10-19 42826.77 730.00
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20151231-20160930 发行普通股 股份回购与员工持股计划
2016-09-30
2016-07-20 42807.78 730.00
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20151231-20160630 发行普通股 股份回购与员工持股计划
2016-06-30
2016-04-28 42792.99 未披露 定期报告 2016-04-25
2016-04-20 42791.55 730.00
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20151231-20160331 发行普通股 股份回购与员工持股计划
2016-03-31
2016-04-28 42755.70 未披露 定期报告 2016-02-29
2016-02-26 42631.60 未披露 定期报告 2016-01-31
2016-02-26 42630.32 730.00
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20141231-20151231 发行普通股 股份回购与员工股票补偿计划
2015-12-31
2015-10-21 42610.84 730.00
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from December 31, 2014 to September 30, 2015 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
2015-09-30
2015-07-22 42588.28 730.00
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from December 31, 2014 to June 30, 2015 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
2015-06-30
2015-04-29 42568.45 未披露 定期报告 2015-04-27
2015-04-22 42518.06 730.00
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from December 31, 2014 to March 31, 2015 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
2015-03-31
2015-02-26 42347.64 未披露 定期报告 2015-01-31
2015-02-26 42343.88 730.00
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from December 31, 2013 to December 31, 2014 Separation adjustments related to Spin-Off of Navient Corporation Issuance of common shares Shares repurchased related to employee stock-based compensation plans
2014-12-31
2014-10-22 42316.46 730.00
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From June 30, 2014 to September 30, 2014 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
2014-09-30
2014-07-24 42293.65 730.00
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from March 31, 2014 to June 30, 2014 Separation adjustments related to Spin-Off of Navient Corporation Issuance of common shares Shares repurchased related to employee stock-based compensation plans
2014-06-30
2014-05-12 42278.14 未披露 定期报告 2014-04-30
2014-05-12 42200.00 730.00
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from December 31,2013 to March 31,2014 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2014-03-31
2014-02-19 42869.82 未披露 定期报告 2014-01-31
2014-02-19 42894.89 730.00
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from December31, 2012 to December31, 2013 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2013-12-31
2013-10-28 43626.41 730.00
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from June 30, 2013 to September 30, 2013 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
2013-09-30
2013-08-05 43618.89 730.00
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From March 31, 2013 to June 30, 2013 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2013-06-30
2013-04-19 44423.73 未披露 定期报告 2013-04-02
2013-05-03 44421.04 730.00
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from December 31,2012 to March 31,2013 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2013-03-31
2013-02-26 45334.14 未披露 定期报告 2013-01-31
2013-02-26 45259.79 730.00
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from December 31, 2011 to December 31, 2012 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2012-12-31
2012-11-02 46215.88 730.00
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from June 30, 2012 to September 30, 2012 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2012-09-30
2012-08-03 46940.22 730.00
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from March 31, 2012 to June 30, 2012 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2012-06-30
2012-05-04 48774.72 未披露 定期报告 2012-04-30
2012-05-04 49300.00 730.00
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from December 31, 2011 to March 31, 2012 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2012-03-31
2012-02-27 50932.22 未披露 定期报告 2012-01-31
2012-02-27 50900.00 730.00
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from December 31, 2010 to December 31, 2011 Issuance of common shares Retirement of common stock in treasury Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2011-12-31
2011-11-04 50873.66 未披露 定期报告 2011-10-31
2011-11-04 50900.00 730.00
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Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
2011-09-30
2011-08-05 51429.72 未披露 定期报告 2011-07-31
2011-08-05 51814.90 730.00
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Issuance of common shares Repurchase of common shares: Open market Benefit plans
2011-06-30
2011-05-06 52742.08 未披露 定期报告 2011-04-30
2011-05-06 52749.40 730.00
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Issuance of common shares Retirement of common stock in treasury
2011-03-31
2011-02-28 52690.96 未披露 定期报告 2011-01-31
2011-02-28 52694.30 730.00
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from December 31, 2009 to December 31, 2010 Conversion of preferred shares Issuance of common shares Benefit plans
2010-12-31
2010-11-08 48559.04 未披露 定期报告 2010-10-31
2010-11-08 48577.60 811.00
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Issuance of common shares Benefit plans
2010-09-30
2010-08-05 48570.68 811.00
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from March 31, 2010 to June 30, 2010 Issuance of common shares Benefit plans
2010-06-30
2010-02-26 48491.24 未披露 定期报告 2010-01-31
2010-02-26 48499.80 811.00
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from December 31, 2008 to December 31, 2009 Issuance of common shares Conversion of preferred shares Benefit plans
2009-12-31
2009-03-02 46740.39 未披露 定期报告 2009-02-27
2009-03-02 46745.30 845.00
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from December 31, 2007 to December 31, 2008 Issuance of common shares Issuance of preferred shares Conversion of preferred shares Benefit plans
2008-12-31
2008-02-29 46657.06 未披露 定期报告 2008-01-31
2008-02-29 46654.20 830.00
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from December 31, 2006 to December 31, 2007 Issuance of common shares Issuance of preferred shares Open market repurchases Settlement cost, cash Benefit plans
2007-12-31
2007-03-01 41047.83 未披露 定期报告 2007-01-31
2007-03-01 41061.70 730.00
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from December 31, 2005 to December 31, 2006 Issuance of common shares Open market repurchases Settlement cost, cash Benefit plans
2006-12-31
2006-03-09 41354.47 未披露 定期报告 2006-02-28
2006-03-09 41313.70 730.00
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from December 31, 2004 to December 31, 2005 Issuance of common shares Retirement of common stock in treasury Issuance of preferred shares Exercise cost, cash Exercise cost, net settlement Benefit plans
2005-12-31
2005-03-16 42165.50 未披露 定期报告 2005-02-28
2005-03-16 42363.20 330.00
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from December 31, 2003 to December 31, 2004 Issuance of common shares Open market repurchases Exercise cost, cash Exercise cost, net settlement Benefit plans
2004-12-31
2004-03-15 44253.69 未披露 定期报告 2004-02-27
2004-03-15 44767.80 330.00
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from December 31, 2002 to December 31, 2003 Issuance of common shares Issuance of common shares due to exercise of stock warrants Retirement of common stock in treasury Donation of common stock in treasury Open market repurchases Equity forward repurchases Benefit plans In May 2003, the Board of Directors approved a three-for-one split of our common stock to be effected in the form of a stock dividend. The additional shares of stock were distributed on June 20, 2003, for all shareholders of record on June 6, 2003.
2003-12-31
2003-05-13 45221.66 未披露
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In May 2003, the Board of Directors approved a three-for-one split of our common stock to be effected in the form of a stock dividend. The additional shares of stock were distributed on June 20, 2003, for all shareholders of record on June 6, 2003.
2003-06-23
2003-03-27 15164.16 未披露 定期报告 2003-03-17
2003-03-27 15258.00 330.00
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from December 31,2001 to December 31,2002 Issuance of common shares Open market repurchases Equity forward repurchases Benefit plans
2002-12-31
2002-03-28 15510.40 未披露 定期报告 2002-02-28
2002-03-28 15549.50 330.00
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from December 31,2000 to December 31,2001 Issuance of common shares Repurchase of common shares
2001-12-31
2001-04-02 16288.15 未披露 定期报告 2001-02-28
2001-04-02 16414.48 330.00
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from December 31,1999 to December 31,2000 Issuance of common shares Repurchase of common shares
2000-12-31
2000-03-29 15717.05 未披露 定期报告 2000-02-29
2000-03-29 15757.65 330.00
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from December 31,1998 to December 31,1999 Issuance of common shares Repurchase of common shares
1999-12-31
1999-03-29 16293.06 未披露 定期报告 1999-02-28
1999-03-29 16412.67 未披露
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from December 31,1997 to December 31,1998 Issuance of common shares Repurchase of common shares
1998-12-31
1998-03-30 17126.44 未披露 定期报告 1998-02-28
1998-03-30 17341.09 未披露
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from December 31,1996 to January 5, 1998 Issuance of common shares Retirement of treasury shares In November 1997, the Company announced that it would effect a 7-for-2 stock split through a stock dividend of an additional five shares for every two already outstanding, effective January 2, 1998, for shareholders of record on December 12, 1997.
1998-01-05
From June 30, 2025 to September 30, 2025 Shares repurchased related to employee stock-based compensation plans Common stock repurchased Issuance of common shares
From March 31, 2025 to June 30, 2025 Issuance of common shares Common stock repurchased
From December 31, 2024 to March 31, 2025 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
From December 31, 2023 to December 31, 2024 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
From June 30, 2024 to September 30, 2024 Issuance of common shares Common stock repurchased Stock-based compensation plans
From March 31, 2024 to June 30, 2024 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
From December 31, 2023 to March 31, 2024 Shares repurchased related to employee stock-based compensation plans Issuance of common shares Common stock repurchased
From December 31, 2022 to December 31, 2023 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
From June 30, 2023 to September 30, 2023 Shares repurchased related to employee stock-based compensation plans Issuance of common shares Common stock repurchased
From March 31, 2023 to June 30, 2023 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
From December 31, 2022 to March 31, 2023 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
From December 31, 2021 to December 31,2022 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
From June 30, 2022 to September 30, 2022 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
From March 31, 2022 to June 30, 2022 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
From December 31, 2021 to March 31, 2022 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
From December 31, 2020 to December 31, 2021 Dividend equivalent units related to employee stock-based compensation plans Issuance of common shares Common stock repurchased and cancelled Common stock repurchased Shares repurchased related to employee stock-based compensation plans
20210630-20210930 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
20210331-20210630 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
20200101-20210331 发行普通股 普通股回购 与员工股票薪酬计划相关的回购股份
From January 1, 2020 to December 31, 2020 Repurchase of Preferred Stock, series B Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
20200630-20200930 发行普通股 与员工股票薪酬计划有关的股份回购
20200331-20200630 发行普通股 与员工股票薪酬计划有关的股份回购
20191231-20200331 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
20181231-20191231 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
20190630-20190930 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
20190331-20190630 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
20181231-20190331 发行普通股 回购普通股 与员工股票薪酬计划有关的股份回购
20171231-20181231 发行普通股 与员工持股计划有关的股份回购
20171231-20180930 发行普通股 股份回购与员工股票薪酬计划有关
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20151231-20161231 发行普通股 与员工持股计划有关的股份回购
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from December 31, 2014 to September 30, 2015 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
from December 31, 2014 to June 30, 2015 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
from December 31, 2014 to March 31, 2015 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
from December 31, 2013 to December 31, 2014 Separation adjustments related to Spin-Off of Navient Corporation Issuance of common shares Shares repurchased related to employee stock-based compensation plans
From June 30, 2014 to September 30, 2014 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
from March 31, 2014 to June 30, 2014 Separation adjustments related to Spin-Off of Navient Corporation Issuance of common shares Shares repurchased related to employee stock-based compensation plans
from December 31,2013 to March 31,2014 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
from December31, 2012 to December31, 2013 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
from June 30, 2013 to September 30, 2013 Issuance of common shares Shares repurchased related to employee stock-based compensation plans
From March 31, 2013 to June 30, 2013 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
from December 31,2012 to March 31,2013 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
from December 31, 2011 to December 31, 2012 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
from June 30, 2012 to September 30, 2012 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
from March 31, 2012 to June 30, 2012 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
from December 31, 2011 to March 31, 2012 Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
from December 31, 2010 to December 31, 2011 Issuance of common shares Retirement of common stock in treasury Common stock repurchased Shares repurchased related to employee stock-based compensation plans
Issuance of common shares Common stock repurchased Shares repurchased related to employee stock-based compensation plans
Issuance of common shares Repurchase of common shares: Open market Benefit plans
Issuance of common shares Retirement of common stock in treasury
from December 31, 2009 to December 31, 2010 Conversion of preferred shares Issuance of common shares Benefit plans
Issuance of common shares Benefit plans
from March 31, 2010 to June 30, 2010 Issuance of common shares Benefit plans
from December 31, 2008 to December 31, 2009 Issuance of common shares Conversion of preferred shares Benefit plans
from December 31, 2007 to December 31, 2008 Issuance of common shares Issuance of preferred shares Conversion of preferred shares Benefit plans
from December 31, 2006 to December 31, 2007 Issuance of common shares Issuance of preferred shares Open market repurchases Settlement cost, cash Benefit plans
from December 31, 2005 to December 31, 2006 Issuance of common shares Open market repurchases Settlement cost, cash Benefit plans
from December 31, 2004 to December 31, 2005 Issuance of common shares Retirement of common stock in treasury Issuance of preferred shares Exercise cost, cash Exercise cost, net settlement Benefit plans
from December 31, 2003 to December 31, 2004 Issuance of common shares Open market repurchases Exercise cost, cash Exercise cost, net settlement Benefit plans
from December 31, 2002 to December 31, 2003 Issuance of common shares Issuance of common shares due to exercise of stock warrants Retirement of common stock in treasury Donation of common stock in treasury Open market repurchases Equity forward repurchases Benefit plans In May 2003, the Board of Directors approved a three-for-one split of our common stock to be effected in the form of a stock dividend. The additional shares of stock were distributed on June 20, 2003, for all shareholders of record on June 6, 2003.
In May 2003, the Board of Directors approved a three-for-one split of our common stock to be effected in the form of a stock dividend. The additional shares of stock were distributed on June 20, 2003, for all shareholders of record on June 6, 2003.
from December 31,2001 to December 31,2002 Issuance of common shares Open market repurchases Equity forward repurchases Benefit plans
from December 31,2000 to December 31,2001 Issuance of common shares Repurchase of common shares
from December 31,1999 to December 31,2000 Issuance of common shares Repurchase of common shares
from December 31,1998 to December 31,1999 Issuance of common shares Repurchase of common shares
from December 31,1997 to December 31,1998 Issuance of common shares Repurchase of common shares
from December 31,1996 to January 5, 1998 Issuance of common shares Retirement of treasury shares In November 1997, the Company announced that it would effect a 7-for-2 stock split through a stock dividend of an additional five shares for every two already outstanding, effective January 2, 1998, for shareholders of record on December 12, 1997.