股本结构

单位:万股
公告日期 2018-10-30 2018-10-12 2018-10-30 2018-10-12 2018-08-02 2018-10-12
证券总股本 27116.28 27115.28 26997.18 27115.95 26722.95 26788.19
普通股本 27116.28 27115.28 26997.18 27115.95 26722.95 26788.19
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 2018-10-25 2018-10-11 2018-09-30 2018-09-12 2018-07-30 2018-07-27
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
2018-10-30 27116.28 未披露 定期报告 2018-10-25
2018-10-12 27115.28 未披露 定期报告 2018-10-11
2018-10-30 26997.18 未披露
更多>>
From December 31, 2017 to September 30, 2018 Restricted and performance shares vested Repurchase of Class A common stock Issuance of Class A common stock in exchange for 2018 & 2020 Senior Notes Exercise of stock options Issuance of Class A common stock under the deferred compensation plan for non-employee director
2018-09-30
2018-10-12 27115.95 未披露 定期报告 2018-09-12
2018-08-02 26722.95 未披露 定期报告 2018-07-30
2018-10-12 26788.19 未披露 定期报告 2018-07-27
2018-08-02 26597.24 未披露
更多>>
From December 31, 2017 to June 30, 2018 Restricted and performance shares vested Repurchase of Class A common stock Issuance of Class A common stock in exchange for 2018 & 2020 Senior Notes Exercise of stock options Issuance of Class A common stock under the deferred compensation plan for non-employee director
2018-06-30
2018-05-16 26719.39 未披露 定期报告 2018-05-07
2018-05-03 26719.18 未披露 定期报告 2018-04-30
2018-04-30 26719.23 未披露 定期报告 2018-04-25
2018-05-03 26591.30 未披露
更多>>
From December 31, 2017 to March 31, 2018 Restricted and performance shares vested Repurchase of Class A common stock Issuance of Class A common stock in exchange for 2018 & 2020 Senior Notes
2018-03-31
2018-02-22 26673.31 未披露 定期报告 2018-02-16
2018-02-22 26534.33 未披露
更多>>
From December 31, 2016 to December 31, 2017 Conversion of Class B common stock to Class A common stock Restricted stock vested Repurchase of Class A common stock Exercise of stock options Issuance of Class A common stock under the deferred compensation plan for non-employee directors Exchange of 2006 Class A Common Units for Class A common stock
2017-12-31
2017-12-08 26674.55 未披露 定期报告 2017-12-06
2017-11-02 26675.26 未披露 定期报告 2017-10-30
2017-11-02 26530.77 未披露
更多>>
From December 31, 2016 to September 30, 2017 Conversion of Class B common stock to Class A common stock Restricted stock vested Repurchase of Class A common stock Exercise of stock options Issuance of Class A common stock under the deferred compensation plan for non-employee directors Exchange of 2006 Class A Common Units for Class A common stock
2017-09-30
2017-08-03 26676.64 未披露 定期报告 2017-07-31
2017-08-03 26523.39 未披露
更多>>
From December 31, 2016 to June 30, 2017 Conversion of Class B common stock to Class A common stock Cost incurred for conversion of Class B to Class A common stock Restricted stock vested Repurchase of Class A common stock Exercise of stock options Issuance of Class A common stock under the deferred compensation plan for non-employee directors Exchange of 2006 Class A Common Units for Class A common stock
2017-06-30
2017-05-04 26091.42 未披露 定期报告 2017-04-28
2017-04-27 26025.32 未披露 定期报告 2017-04-20
2017-05-04 25872.60 未披露
更多>>
from December 31, 2016 to March 31, 2017 Restricted stock vested Repurchase of Class A common shares Exercise of stock options Exchange of 2006 Class A Common Units for Class A common shares
2017-03-31
2017-02-27 26031.51 未披露 定期报告 2017-02-22
2017-02-27 25872.60 未披露
更多>>
from December 31, 2015 to December 31, 2016 Conversion of Class B to Class A shares Restricted stock and performance shares vested Repurchase of Class A common shares Exercise of stock options Issuance of Class A common shares in exchange for 2016 Senior Notes
2016-12-31
2017-03-03 26034.11 未披露 定期报告 2016-12-02
2016-11-03 26034.11 未披露 定期报告 2016-10-31
2016-11-03 25871.51 未披露
更多>>
From December 31, 2015 to September 30, 2016 Conversion of Class B to Class A shares Restricted stock and performance shares vested Repurchase of Class A common shares Exercise of stock options Issuance of Class A common shares in exchange for 2016 Senior Notes
2016-09-30
2016-08-04 26035.17 未披露 定期报告 2016-08-01
2016-08-04 25867.97 未披露
更多>>
from December 31, 2015 to June 30, 2016 Conversion of Class B to Class A shares Restricted stock and performance shares vested Repurchase of Class A common shares Exercise of stock options Issuance of Class A common shares in exchange for 2016 Senior Notes
2016-06-30
2016-05-05 26039.69 未披露 定期报告 2016-05-02
2016-05-05 25838.48 未披露
更多>>
from December 31, 2015 to March 31, 2016 Conversion of Class B to Class A shares Restricted stock and performance shares vested Repurchase of Class A common shares Exercise of stock options Issuance of Class A common shares in exchange for 2016 Senior Notes
2016-03-31
2016-04-07 26001.07 未披露 定期报告 2016-03-28
2016-02-23 25970.31 未披露 定期报告 2016-02-18
2016-02-23 25775.44 未披露
更多>>
from December 31, 2014 to December 31, 2015 Issuance of Class A shares in equity offering Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Restricted stock vested Repurchase of Class A common shares Exchange of 2006 Class A Common Units for Class A shares Retirement of treasury stock Purchase of treasury stock Proceeds and Class A shares received from termination of Convertible Senior Notes hedge Exercise of stock options and write-off of deferred tax asset related to expired stock options
2015-12-31
2015-11-03 25974.42 未披露 定期报告 2015-10-29
2015-11-03 25766.93 未披露
更多>>
from December 31, 2014 to September 30, 2015 Issuance of Class A shares in equity offering Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Restricted stock vested Exchange of Class A Common Units for Class A shares Purchase of treasury stock Proceeds and Class A shares received from termination of Convertible Senior Notes hedge Exercise of stock options
2015-09-30
2015-09-17 25869.82 未披露 定期报告 2015-08-31
2015-08-04 25868.72 未披露 定期报告 2015-07-30
2015-08-04 25028.23 未披露
更多>>
from December 31, 2014 to June 30, 2015 Issuance of Class A shares in equity offering Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Restricted stock vested Purchase of treasury stock Proceeds and Class A shares received from termination of Convertible Senior Notes hedge Exercise of stock options
2015-06-30
2015-05-04 21498.82 未披露 定期报告 2015-04-30
2015-05-04 21244.44 未披露
更多>>
from December 31, 2014 to March 31, 2015 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Restricted stock vested Purchase of treasury stock Proceeds and Class A shares received from termination of Convertible Senior Notes hedge
2015-03-31
2015-03-19 21433.21 未披露 定期报告 2015-03-16
2015-02-24 20094.72 未披露 定期报告 2015-02-18
2015-02-24 19897.25 未披露
更多>>
from December 31, 2013 to December 31, 2014 Conversion of Class B to Class A shares Restricted stock vested Exchange of Class A Common Units for Class A shares Exercise of stock options Purchase of treasury stock
2014-12-31
2014-12-09 20097.59 未披露 定期报告 2014-12-05
2014-11-03 20097.33 未披露 定期报告 2014-10-29
2014-11-03 19891.56 未披露
更多>>
From December 31, 2013 to September 30, 2014 Purchase of treasury stock Conversion of Class B to Class A shares Restricted stock vested Exercise of stock options Exchange of Class A Common Units for Class A shares
2014-09-30
2014-08-06 20095.79 未披露 定期报告 2014-07-31
2014-08-06 19889.03 未披露
更多>>
From December 31, 2013 to June 30, 2014 Conversion of Class B to Class A shares Restricted stock vested Exercise of stock options Exchange of Class A Common Units for Class A shares
2014-06-30
2014-05-07 20031.11 未披露 定期报告 2014-05-02
2014-04-16 19989.84 未披露 定期报告 2014-04-03
2014-05-07 19775.58 未披露
更多>>
from December 31, 2013 to March 31, 2014 Purchase of treasury stock Conversion of Class B to Class A shares Restricted stock vested Exercise of stock options
2014-03-31
2014-02-27 19988.45 未披露 定期报告 2014-02-24
2014-02-27 19773.05 未披露
更多>>
from January 31, 2013 to December 31,2013 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Series A preferred stock Redemption of Series A preferred stock Issuance of Class A shares in exchange for Puttable Equity-Linked Senior Notes due 2014 Restricted stock vested Exercise of stock options Purchase of treasury stock Proceeds from settlement of equity call hedge related to issuance of preferred stock
2013-12-31
2013-12-09 19988.97 未披露 定期报告 2013-12-04
2013-12-09 19772.75 未披露
更多>>
from January 31, 2013 to October 31, 2013 Issuance of Class A shares in exchange for Series A preferred stock Redemption of Series A preferred stock Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Puttable Equity-Linked Senior Notes due 2014 Restricted stock vested Exercise of stock options Purchase of treasury stock Proceeds from settlement of equity call hedge related to issuance of preferred stock
2013-10-31
2013-09-05 19988.50 未披露 定期报告 2013-08-30
2013-09-05 19771.93 未披露
更多>>
from January 31, 2013 to July 31, 2013 Issuance of Class A shares in exchange for Series A preferred stock Conversion of Class B to Class A shares Redemption of Series A preferred stock Issuance of Class A shares in exchange for Puttable Equity-Linked Senior Notes due 2014 Restricted stock vested Exercise of stock options Proceeds from settlement of equity call hedge related to issuance of preferred stock Purchase of treasury stock
2013-07-31
2013-06-04 19576.07 未披露 定期报告 2013-05-29
2013-06-04 19359.05 未披露
更多>>
From January 31, 2013 to April 30, 2013 Purchase of treasury stock Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Series A preferred stock Redemption of Series A preferred stock Issuance of Class A shares in exchange for Puttable Equity-Linked Senior Notes due 2014 Restricted stock vested Exercise of stock options Proceeds from settlement of equity call hedge related to issuance of preferred stock
2013-04-30
2013-04-30 18627.71 未披露 定期报告 2013-04-17
2013-03-27 18572.75 未披露 定期报告 2013-03-22
2013-03-27 18395.79 21.10
更多>>
from January 31, 2012 to January 31, 2013 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Series A preferred stock Restricted stock vested Exercise of stock options
2013-01-31
2012-12-06 18061.20 未披露 定期报告 2012-12-03
2012-12-06 17843.05 172.55
更多>>
from January 31, 2012 to October 31, 2012 Issuance of Class A shares in exchange for Series A preferred stock Conversion of Class B to Class A shares Restricted stock vested Purchase of treasury stock Exercise of stock options
2012-10-31
2012-09-04 17172.02 未披露 定期报告 2012-08-30
2012-09-04 16950.09 440.00
更多>>
from January 31, 2012 to July 31, 2012 Conversion of Class B to Class A shares Restricted stock vested Purchase of treasury stock Exercise of stock options
2012-07-31
2012-06-07 17174.75 未披露 定期报告 2012-05-31
2012-06-07 16941.28 440.00
更多>>
from January 31, 2012 to April 30, 2012 Conversion of Class B to Class A shares Restricted stock vested
2012-04-30
2012-04-02 17105.27 未披露 定期报告 2012-03-21
2012-04-02 16916.22 440.00
更多>>
from January 31, 2011 to January 31, 2012 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes due 2016 Restricted stock vested Exercise of stock options
2012-01-31
2011-09-07 17111.99 未披露 定期报告 2011-09-01
2011-09-07 16914.94 440.00
更多>>
from January 31, 2011 to July 31, 2011 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes due 2016 Restricted stock vested Exercise of stock options
2011-07-31
2011-06-06 17113.52 未披露 定期报告 2011-06-01
2011-06-06 16565.93 440.00
更多>>
From Jan 31 2011 to Apr 30 2011 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Exercise of stock options Restricted stock vested
2011-04-30
2011-03-30 16703.00 未披露 定期报告 2011-03-23
2011-03-30 16544.91 440.00
更多>>
From Jan 31 2010 to Jan 31 2011 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Exercise of stock options Restricted stock vested
2011-01-31
2010-12-08 15707.83 未披露 定期报告 2010-12-02
2010-12-08 15548.45 440.00
更多>>
From Jan 31 2010 to Oct 31 2010 Conversion of Class B to Class A shares Restricted stock vested
2010-10-31
2010-09-08 15707.87 未披露 定期报告 2010-09-02
2010-09-08 15548.45 440.00
更多>>
From Jan 31 2010 to July 31 2010 Conversion of Class B to Class A shares Restricted stock vested
2010-07-31
2010-06-08 15710.07 未披露 定期报告 2010-06-03
2010-06-08 15541.05 440.00
更多>>
From Jan 31 2010 to Apr 30 2010 Conversion of Class B to Class A shares Restricted stock vested
2010-04-30
2010-03-30 15641.30 未披露 定期报告 2010-03-23
2010-03-30 15532.45 未披露
更多>>
from January 31, 2009 to January 31, 2010 Issuance of Class A common shares in equity offering Conversion of Class B to Class A shares Exercise of stock options Restricted stock vested Purchase of treasury stock
2010-01-31
2009-03-30 10345.29 未披露 定期报告 2009-03-25
2009-03-30 10287.83 未披露
更多>>
from January 31, 2008 to January 31, 2009 Conversion of Class B to Class A shares Exercise of stock options Restricted stock vested Conversion of Class A Common Units Purchase of treasury stock
2009-01-31
2008-03-31 10294.01 未披露 定期报告 2008-03-27
2008-03-31 10258.93 未披露
更多>>
from January 31, 2007 to January 31, 2008 Conversion of Class B to Class A shares Exercise of stock options Restricted stock granted out of treasury Restricted stock vested Purchase of treasury stock
2008-01-31
2007-03-28 10225.78 未披露 定期报告 2007-03-23
2007-03-28 10188.22 未披露
更多>>
from January 31, 2006 to January 31, 2007 Reclassifications related to the adoption of SFAS No. 123(R) Conversion of Class B to Class A shares Exercise of stock options Restricted stock vested Purchase of treasury stock
2007-01-31
2006-03-29 10183.97 未披露 定期报告 2006-03-23
2006-03-29 10184.42 未披露
更多>>
from January 31, 2005 to July 12, 2005 Conversion of Class B shares to Class A shares Exercise of stock options Restricted stock issued On June 21, 2005, the Board of Directors declared a two-for-one stock split of the Company’s outstanding Class A and Class B common stock effective July 11, 2005 to shareholders of record on June 27, 2005.
2005-07-12
2005-04-01 5036.44 未披露 定期报告 2005-03-28
2005-04-01 5035.13 未披露
更多>>
from January 31, 2004 to January 31, 2005 Conversion of Class B shares to Class A shares Exercise of stock options
2005-01-31
2004-03-31 5001.21 未披露 定期报告 2004-03-19
2004-03-31 4998.65 未披露
更多>>
from January 31, 2003 to January 31, 2004 Conversion of Class B shares to Class A shares Exercise of stock options Restricted stock issued
2004-01-31
2003-04-10 4966.08 未披露 定期报告 2003-03-03
2003-04-10 4965.57 未披露
更多>>
from January 31, 2002 to January 31, 2003 Conversion of Class B shares to Class A shares Exercise of stock options
2003-01-31
2002-04-26 4948.60 未披露 定期报告 2002-03-01
2002-04-26 4946.38 未披露
更多>>
from January 31, 2001 to November 15, 2001 Issuance of 3,900,000 Class A common shares in equity offering Conversion of Class B shares to Class A shares Exercise of stock options Restricted stock issued The Board of Directors approved a three-for-two stock split of both the Company's Class A and Class B Common Stock, effective November 14, 2001.
2001-11-15
2001-04-26 3008.15 未披露 定期报告 2001-03-01
2001-04-26 3006.44 未披露
更多>>
from January 31, 2000 to January 31, 2001 Conversion of Class B shares to Class A shares Exercise of stock options
2001-01-31
2000-04-25 3003.15 未披露
更多>>
from January 31, 1999 to January 31, 2000 Conversion of Class B shares to Class A shares Exercise of stock options Restricted stock issued
2000-01-31
1999-04-27 2998.31 未披露 定期报告 1999-03-01
1999-04-27 2998.29 未披露
更多>>
from January 31, 1998 to July 17, 1998 Conversion of Class B shares to Class A shares Sale of treasury stock On July 16, 1998, the Company paid a two-for-one common stock split to Class A and Class B shareholders of record on July 1, 1998.
1998-07-17
1998-04-30 1498.93 未披露 定期报告 1998-03-04
1998-04-30 1498.93 未披露
更多>>
from January 31, 1997 to January 31, 1998 Issuance of 1,955,000 Class A common shares in public offering Conversion of Class B shares to Class A shares Purchase of treasury stock
1998-01-31
1997-04-30 1311.20 未披露 定期报告 1997-03-04
1997-04-30 1311.20 未披露
更多>>
from January 31, 1996 to February 18, 1997 Conversion of Class B shares to Class A shares Purchase of treasury stock On December 11, 1996, the Board of Directors declared a three-for-two stock split of the Company's common stock payable February 17, 1997 to shareholders of record on February 3, 1997.
1997-02-18
1996-04-30 890.26 未披露 定期报告 1996-03-01
1996-04-30 891.46 未披露
更多>>
from January 31, 1995 to January 31, 1996 Conversion of Class B shares to Class A shares Purchase of treasury stock
1996-01-31
1995-04-28 899.16 未披露 定期报告 1995-03-01
1994-04-28 899.16 未披露
更多>>
from January 31, 1993 to January 31, 1994 Conversion of Class B shares to Class A shares
1994-01-31
1994-04-28 899.16 未披露
更多>>
from January 31, 1992 to January 31, 1993 Conversion of Class B shares to Class A shares
1993-01-31
From December 31, 2017 to September 30, 2018 Restricted and performance shares vested Repurchase of Class A common stock Issuance of Class A common stock in exchange for 2018 & 2020 Senior Notes Exercise of stock options Issuance of Class A common stock under the deferred compensation plan for non-employee director
From December 31, 2017 to June 30, 2018 Restricted and performance shares vested Repurchase of Class A common stock Issuance of Class A common stock in exchange for 2018 & 2020 Senior Notes Exercise of stock options Issuance of Class A common stock under the deferred compensation plan for non-employee director
From December 31, 2017 to March 31, 2018 Restricted and performance shares vested Repurchase of Class A common stock Issuance of Class A common stock in exchange for 2018 & 2020 Senior Notes
From December 31, 2016 to December 31, 2017 Conversion of Class B common stock to Class A common stock Restricted stock vested Repurchase of Class A common stock Exercise of stock options Issuance of Class A common stock under the deferred compensation plan for non-employee directors Exchange of 2006 Class A Common Units for Class A common stock
From December 31, 2016 to September 30, 2017 Conversion of Class B common stock to Class A common stock Restricted stock vested Repurchase of Class A common stock Exercise of stock options Issuance of Class A common stock under the deferred compensation plan for non-employee directors Exchange of 2006 Class A Common Units for Class A common stock
From December 31, 2016 to June 30, 2017 Conversion of Class B common stock to Class A common stock Cost incurred for conversion of Class B to Class A common stock Restricted stock vested Repurchase of Class A common stock Exercise of stock options Issuance of Class A common stock under the deferred compensation plan for non-employee directors Exchange of 2006 Class A Common Units for Class A common stock
from December 31, 2016 to March 31, 2017 Restricted stock vested Repurchase of Class A common shares Exercise of stock options Exchange of 2006 Class A Common Units for Class A common shares
from December 31, 2015 to December 31, 2016 Conversion of Class B to Class A shares Restricted stock and performance shares vested Repurchase of Class A common shares Exercise of stock options Issuance of Class A common shares in exchange for 2016 Senior Notes
From December 31, 2015 to September 30, 2016 Conversion of Class B to Class A shares Restricted stock and performance shares vested Repurchase of Class A common shares Exercise of stock options Issuance of Class A common shares in exchange for 2016 Senior Notes
from December 31, 2015 to June 30, 2016 Conversion of Class B to Class A shares Restricted stock and performance shares vested Repurchase of Class A common shares Exercise of stock options Issuance of Class A common shares in exchange for 2016 Senior Notes
from December 31, 2015 to March 31, 2016 Conversion of Class B to Class A shares Restricted stock and performance shares vested Repurchase of Class A common shares Exercise of stock options Issuance of Class A common shares in exchange for 2016 Senior Notes
from December 31, 2014 to December 31, 2015 Issuance of Class A shares in equity offering Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Restricted stock vested Repurchase of Class A common shares Exchange of 2006 Class A Common Units for Class A shares Retirement of treasury stock Purchase of treasury stock Proceeds and Class A shares received from termination of Convertible Senior Notes hedge Exercise of stock options and write-off of deferred tax asset related to expired stock options
from December 31, 2014 to September 30, 2015 Issuance of Class A shares in equity offering Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Restricted stock vested Exchange of Class A Common Units for Class A shares Purchase of treasury stock Proceeds and Class A shares received from termination of Convertible Senior Notes hedge Exercise of stock options
from December 31, 2014 to June 30, 2015 Issuance of Class A shares in equity offering Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Restricted stock vested Purchase of treasury stock Proceeds and Class A shares received from termination of Convertible Senior Notes hedge Exercise of stock options
from December 31, 2014 to March 31, 2015 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Restricted stock vested Purchase of treasury stock Proceeds and Class A shares received from termination of Convertible Senior Notes hedge
from December 31, 2013 to December 31, 2014 Conversion of Class B to Class A shares Restricted stock vested Exchange of Class A Common Units for Class A shares Exercise of stock options Purchase of treasury stock
From December 31, 2013 to September 30, 2014 Purchase of treasury stock Conversion of Class B to Class A shares Restricted stock vested Exercise of stock options Exchange of Class A Common Units for Class A shares
From December 31, 2013 to June 30, 2014 Conversion of Class B to Class A shares Restricted stock vested Exercise of stock options Exchange of Class A Common Units for Class A shares
from December 31, 2013 to March 31, 2014 Purchase of treasury stock Conversion of Class B to Class A shares Restricted stock vested Exercise of stock options
from January 31, 2013 to December 31,2013 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Series A preferred stock Redemption of Series A preferred stock Issuance of Class A shares in exchange for Puttable Equity-Linked Senior Notes due 2014 Restricted stock vested Exercise of stock options Purchase of treasury stock Proceeds from settlement of equity call hedge related to issuance of preferred stock
from January 31, 2013 to October 31, 2013 Issuance of Class A shares in exchange for Series A preferred stock Redemption of Series A preferred stock Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Puttable Equity-Linked Senior Notes due 2014 Restricted stock vested Exercise of stock options Purchase of treasury stock Proceeds from settlement of equity call hedge related to issuance of preferred stock
from January 31, 2013 to July 31, 2013 Issuance of Class A shares in exchange for Series A preferred stock Conversion of Class B to Class A shares Redemption of Series A preferred stock Issuance of Class A shares in exchange for Puttable Equity-Linked Senior Notes due 2014 Restricted stock vested Exercise of stock options Proceeds from settlement of equity call hedge related to issuance of preferred stock Purchase of treasury stock
From January 31, 2013 to April 30, 2013 Purchase of treasury stock Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Series A preferred stock Redemption of Series A preferred stock Issuance of Class A shares in exchange for Puttable Equity-Linked Senior Notes due 2014 Restricted stock vested Exercise of stock options Proceeds from settlement of equity call hedge related to issuance of preferred stock
from January 31, 2012 to January 31, 2013 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Series A preferred stock Restricted stock vested Exercise of stock options
from January 31, 2012 to October 31, 2012 Issuance of Class A shares in exchange for Series A preferred stock Conversion of Class B to Class A shares Restricted stock vested Purchase of treasury stock Exercise of stock options
from January 31, 2012 to July 31, 2012 Conversion of Class B to Class A shares Restricted stock vested Purchase of treasury stock Exercise of stock options
from January 31, 2012 to April 30, 2012 Conversion of Class B to Class A shares Restricted stock vested
from January 31, 2011 to January 31, 2012 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes due 2016 Restricted stock vested Exercise of stock options
from January 31, 2011 to July 31, 2011 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes due 2016 Restricted stock vested Exercise of stock options
From Jan 31 2011 to Apr 30 2011 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Exercise of stock options Restricted stock vested
From Jan 31 2010 to Jan 31 2011 Conversion of Class B to Class A shares Issuance of Class A shares in exchange for Convertible Senior Notes Exercise of stock options Restricted stock vested
From Jan 31 2010 to Oct 31 2010 Conversion of Class B to Class A shares Restricted stock vested
From Jan 31 2010 to July 31 2010 Conversion of Class B to Class A shares Restricted stock vested
From Jan 31 2010 to Apr 30 2010 Conversion of Class B to Class A shares Restricted stock vested
from January 31, 2009 to January 31, 2010 Issuance of Class A common shares in equity offering Conversion of Class B to Class A shares Exercise of stock options Restricted stock vested Purchase of treasury stock
from January 31, 2008 to January 31, 2009 Conversion of Class B to Class A shares Exercise of stock options Restricted stock vested Conversion of Class A Common Units Purchase of treasury stock
from January 31, 2007 to January 31, 2008 Conversion of Class B to Class A shares Exercise of stock options Restricted stock granted out of treasury Restricted stock vested Purchase of treasury stock
from January 31, 2006 to January 31, 2007 Reclassifications related to the adoption of SFAS No. 123(R) Conversion of Class B to Class A shares Exercise of stock options Restricted stock vested Purchase of treasury stock
from January 31, 2005 to July 12, 2005 Conversion of Class B shares to Class A shares Exercise of stock options Restricted stock issued On June 21, 2005, the Board of Directors declared a two-for-one stock split of the Company’s outstanding Class A and Class B common stock effective July 11, 2005 to shareholders of record on June 27, 2005.
from January 31, 2004 to January 31, 2005 Conversion of Class B shares to Class A shares Exercise of stock options
from January 31, 2003 to January 31, 2004 Conversion of Class B shares to Class A shares Exercise of stock options Restricted stock issued
from January 31, 2002 to January 31, 2003 Conversion of Class B shares to Class A shares Exercise of stock options
from January 31, 2001 to November 15, 2001 Issuance of 3,900,000 Class A common shares in equity offering Conversion of Class B shares to Class A shares Exercise of stock options Restricted stock issued The Board of Directors approved a three-for-two stock split of both the Company's Class A and Class B Common Stock, effective November 14, 2001.
from January 31, 2000 to January 31, 2001 Conversion of Class B shares to Class A shares Exercise of stock options
from January 31, 1999 to January 31, 2000 Conversion of Class B shares to Class A shares Exercise of stock options Restricted stock issued
from January 31, 1998 to July 17, 1998 Conversion of Class B shares to Class A shares Sale of treasury stock On July 16, 1998, the Company paid a two-for-one common stock split to Class A and Class B shareholders of record on July 1, 1998.
from January 31, 1997 to January 31, 1998 Issuance of 1,955,000 Class A common shares in public offering Conversion of Class B shares to Class A shares Purchase of treasury stock
from January 31, 1996 to February 18, 1997 Conversion of Class B shares to Class A shares Purchase of treasury stock On December 11, 1996, the Board of Directors declared a three-for-two stock split of the Company's common stock payable February 17, 1997 to shareholders of record on February 3, 1997.
from January 31, 1995 to January 31, 1996 Conversion of Class B shares to Class A shares Purchase of treasury stock
from January 31, 1993 to January 31, 1994 Conversion of Class B shares to Class A shares
from January 31, 1992 to January 31, 1993 Conversion of Class B shares to Class A shares