股本结构
单位：万股
| 公告日期 | 2021-04-29 | 2021-04-29 | 2021-02-17 | 2021-02-19 | 2020-12-04 | 2020-10-30 |
|---|---|---|---|---|---|---|
| 证券总股本 | 6202.48 | 6204.30 | 6217.82 | 6239.80 | 6251.02 | 6254.76 |
| 普通股本 | 6202.48 | 6204.30 | 6217.82 | 6239.80 | 6251.02 | 6254.76 |
| 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 | 2021-04-15 | 2021-03-31 | 2021-02-05 | 2020-12-31 | 2020-11-30 | 2020-10-23 |
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 |
|---|---|---|---|---|
| 2021-04-29 | 6202.48 | 未披露 | 定期报告 | 2021-04-15 |
| 2021-04-29 | 6204.30 | 未披露 |
更多>>
From December 31, 2020 to March 31, 2021
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2021-03-31 |
| 2021-02-17 | 6217.82 | 未披露 | 定期报告 | 2021-02-05 |
| 2021-02-19 | 6239.80 | 未披露 |
更多>>
From December 31,2019 to December 31,2020
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2020-12-31 |
| 2020-12-04 | 6251.02 | 未披露 | 定期报告 | 2020-11-30 |
| 2020-10-30 | 6254.76 | 未披露 | 定期报告 | 2020-10-23 |
| 2020-10-30 | 6254.80 | 未披露 |
更多>>
From June 30, 2020 to September 30, 2020
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2020-09-30 |
| 2020-07-31 | 6516.37 | 未披露 | 定期报告 | 2020-07-24 |
| 2020-07-31 | 6517.40 | 未披露 |
更多>>
from March 31, 2020 to June 30, 2020
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2020-06-30 |
| 2020-05-01 | 6562.27 | 未披露 | 定期报告 | 2020-04-24 |
| 2020-05-01 | 6665.50 | 未披露 |
更多>>
From December 31, 2019 to March 31, 2020
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2020-03-31 |
| 2020-03-06 | 6715.12 | 未披露 | 定期报告 | 2020-03-02 |
| 2020-02-21 | 6783.77 | 未披露 | 定期报告 | 2020-02-07 |
| 2020-02-21 | 6884.70 | 未披露 |
更多>>
From December 31, 2018 to December 31, 2019
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2019-12-31 |
| 2019-11-01 | 7032.32 | 未披露 | 定期报告 | 2019-10-25 |
| 2019-11-01 | 7121.10 | 未披露 |
更多>>
from June 30, 2019 to September 30, 2019
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2019-09-30 |
| 2019-08-02 | 7307.53 | 未披露 | 定期报告 | 2019-07-26 |
| 2019-08-02 | 7371.20 | 未披露 |
更多>>
From December 31, 2018 To June 30, 2019
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2019-06-30 |
| 2019-05-03 | 7510.37 | 未披露 | 定期报告 | 2019-04-26 |
| 2019-05-03 | 7567.90 | 未披露 |
更多>>
From December 31, 2018 To March 31, 2019
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2019-03-31 |
| 2019-03-06 | 7612.69 | 未披露 | 定期报告 | 2019-02-25 |
| 2019-02-22 | 7633.21 | 未披露 | 定期报告 | 2019-02-08 |
| 2019-02-22 | 7679.00 | 未披露 |
更多>>
From December 31, 2017 To December 31, 2018
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2018-12-31 |
| 2018-11-02 | 7831.87 | 未披露 | 定期报告 | 2018-10-26 |
| 2018-11-02 | 7890.40 | 未披露 |
更多>>
from December 31, 2017 to September 30, 2018
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2018-09-30 |
| 2018-08-03 | 7975.93 | 未披露 | 定期报告 | 2018-07-27 |
| 2018-08-03 | 8035.50 | 未披露 |
更多>>
From December 31, 2017 to June 30, 2018
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2018-06-30 |
| 2018-05-04 | 8203.49 | 未披露 | 定期报告 | 2018-04-27 |
| 2018-05-04 | 8266.20 | 未披露 |
更多>>
From December 31, 2017 To March 31, 2018
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2018-03-31 |
| 2018-03-02 | 8314.21 | 未披露 | 定期报告 | 2018-02-26 |
| 2018-02-23 | 8336.15 | 未披露 | 定期报告 | 2018-02-09 |
| 2018-02-23 | 8268.70 | 未披露 |
更多>>
From December 31, 2016 To December 31, 2017
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2017-12-31 |
| 2017-10-27 | 8337.11 | 未披露 | 定期报告 | 2017-10-20 |
| 2017-10-27 | 8337.30 | 未披露 |
更多>>
From December 31, 2016 to September 30, 2017
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2017-09-30 |
| 2017-08-04 | 8359.14 | 未披露 | 定期报告 | 2017-07-28 |
| 2017-08-04 | 8359.80 | 未披露 |
更多>>
from December 31, 2016 to June 30, 2017
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2017-06-30 |
| 2017-05-05 | 8361.45 | 未披露 | 定期报告 | 2017-04-30 |
| 2017-05-05 | 8370.90 | 未披露 |
更多>>
from December 31, 2016 to March 31, 2017
Issuance of restricted share and other
Repurchase of common stock
|
2017-03-31 |
| 2017-02-24 | 8427.68 | 未披露 | 定期报告 | 2017-02-10 |
| 2017-02-24 | 8311.80 | 未披露 |
更多>>
From December 31, 2015 to December 31, 2016
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2016-12-31 |
| 2016-10-28 | 8280.63 | 未披露 | 定期报告 | 2016-10-14 |
| 2016-10-28 | 8281.90 | 未披露 |
更多>>
From December 31, 2015 to September 30, 2016
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2016-09-30 |
| 2016-07-29 | 8284.07 | 未披露 | 定期报告 | 2016-07-15 |
| 2016-07-29 | 8287.00 | 未披露 |
更多>>
From December 31, 2015 to June 30, 2016
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2016-06-30 |
| 2016-04-29 | 8148.98 | 未披露 | 定期报告 | 2016-04-15 |
| 2016-04-29 | 8175.80 | 未披露 |
更多>>
from December 31, 2015 to March 31, 2016
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2016-03-31 |
| 2016-02-26 | 8175.80 | 未披露 | 定期报告 | 2016-02-12 |
| 2016-02-26 | 8285.00 | 未披露 |
更多>>
From December 31, 2014 to December 31, 2015
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2015-12-31 |
| 2015-11-09 | 8299.20 | 未披露 | 定期报告 | 2015-11-02 |
| 2015-11-09 | 8308.00 | 未披露 |
更多>>
from December 31, 2014 to September 30, 2015
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2015-09-30 |
| 2015-07-31 | 8373.97 | 未披露 | 定期报告 | 2015-07-23 |
| 2015-07-31 | 8391.60 | 未披露 |
更多>>
from December 31, 2014 to June 30, 2015
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2015-06-30 |
| 2015-05-01 | 8427.68 | 未披露 | 定期报告 | 2015-04-17 |
| 2015-05-01 | 8355.80 | 未披露 |
更多>>
from December 31, 2014 to March 31, 2015
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2015-03-31 |
| 2015-02-27 | 8356.46 | 未披露 | 定期报告 | 2015-02-13 |
| 2015-01-16 | 8362.29 | 未披露 | 定期报告 | 2015-01-14 |
| 2015-02-27 | 8365.40 | 未披露 |
更多>>
from December 31, 2013 to December 31, 2014
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2014-12-31 |
| 2014-10-31 | 8361.41 | 未披露 | 定期报告 | 2014-10-24 |
| 2014-10-31 | 8406.40 | 未披露 |
更多>>
from December 31, 2013 to September 30, 2014
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2014-09-30 |
| 2014-08-01 | 8446.08 | 未披露 | 定期报告 | 2014-07-25 |
| 2014-08-01 | 8473.20 | 未披露 |
更多>>
from December 31, 2013 to June 30, 2014
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2014-06-30 |
| 2014-05-02 | 8522.79 | 未披露 | 定期报告 | 2014-04-17 |
| 2014-05-02 | 8487.40 | 未披露 |
更多>>
from December 31,2013 to March 31, 2014
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
|
2014-03-31 |
| 2014-02-28 | 8485.66 | 未披露 | 定期报告 | 2014-02-19 |
| 2014-02-28 | 8523.60 | 未披露 |
更多>>
from December 31,2012 to December 31,2013
Net issuance/forfeiture of nonvested shares
Exercise of stock options
Repurchase of common stock
|
2013-12-31 |
| 2013-11-01 | 8541.64 | 未披露 | 定期报告 | 2013-10-24 |
| 2013-11-01 | 8541.70 | 未披露 |
更多>>
from December 31, 2012 to September 30, 2013
Net issuance/forfeiture of nonvested shares
Exercise of stock options
Repurchase of common stock
|
2013-09-30 |
| 2013-08-02 | 8570.15 | 未披露 | 定期报告 | 2013-07-25 |
| 2013-08-02 | 8578.00 | 未披露 |
更多>>
From December 31, 2012 to June 30, 2013
Net issuance/forfeiture of nonvested shares
Exercise of stock options
Repurchase of common stock
|
2013-06-30 |
| 2013-04-25 | 8593.31 | 未披露 | 定期报告 | 2013-04-19 |
| 2013-04-25 | 8554.40 | 未披露 |
更多>>
from December 31, 2012 to March 31, 2013
Net issuance/forfeiture of nonvested shares
Exercise of stock options
Repurchase of common stock
|
2013-03-31 |
| 2013-02-27 | 8559.65 | 未披露 | 定期报告 | 2013-02-20 |
| 2013-02-27 | 8559.53 | 未披露 | 定期报告 | 2013-02-15 |
| 2013-02-27 | 8567.90 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Issuance of nonvested shares
Exercise of stock options
Repurchase of common stock
|
2012-12-31 |
| 2012-11-02 | 8547.49 | 未披露 | 定期报告 | 2012-10-25 |
| 2012-11-02 | 8560.00 | 未披露 |
更多>>
from December 31, 2011 to September 30, 2012
Issuance of nonvested shares
Repurchase of common stock
|
2012-09-30 |
| 2012-08-02 | 8582.18 | 未披露 | 定期报告 | 2012-07-25 |
| 2012-08-02 | 8582.50 | 未披露 |
更多>>
from December 31, 2011 to June 30, 2012
Issuance of nonvested shares
Repurchase of common stock
|
2012-06-30 |
| 2012-05-03 | 8633.69 | 未披露 | 定期报告 | 2012-04-27 |
| 2012-05-03 | 8560.70 | 未披露 |
更多>>
from Dec 31,2011 to Mar 31,2012
Issuance of nonvested shares
Repurchase of common stock
|
2012-03-31 |
| 2012-02-29 | 8558.68 | 未披露 | 定期报告 | 2012-02-16 |
| 2012-02-29 | 8556.40 | 未披露 |
更多>>
from December 31, 2010 to December 31, 2011
Issuance of nonvested shares
Exercise of stock options
Repurchase of common stock
|
2011-12-31 |
| 2011-10-28 | 8530.77 | 未披露 | 定期报告 | 2011-10-20 |
| 2011-10-28 | 8542.00 | 未披露 |
更多>>
from December 31, 2010 to September 30, 2011
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
|
2011-09-30 |
| 2011-07-29 | 8607.00 | 未披露 | 定期报告 | 2011-07-21 |
| 2011-07-29 | 8607.20 | 未披露 |
更多>>
From December 31, 2010 to June 30, 2011
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
|
2011-06-30 |
| 2011-04-29 | 8634.59 | 未披露 | 定期报告 | 2011-04-21 |
| 2011-04-29 | 8574.30 | 未披露 |
更多>>
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
|
2011-03-31 |
| 2011-02-25 | 8591.25 | 未披露 | 定期报告 | 2011-02-17 |
| 2011-02-25 | 8575.10 | 未披露 |
更多>>
from dec 31 2009 to dec 31 2010
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
|
2010-12-31 |
| 2010-10-29 | 8538.89 | 未披露 | 定期报告 | 2010-10-22 |
| 2010-10-29 | 8538.90 | 未披露 |
更多>>
from dec 31 2009 to sep 30 2010
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
|
2010-09-30 |
| 2010-07-30 | 8544.59 | 未披露 | 定期报告 | 2010-07-23 |
| 2010-07-30 | 8542.70 | 未披露 |
更多>>
from dec 31 2009 to Jun 30 2010
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
|
2010-06-30 |
| 2010-04-29 | 8641.55 | 未披露 | 定期报告 | 2010-04-23 |
| 2010-04-29 | 8557.50 | 未披露 |
更多>>
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
|
2010-03-31 |
| 2010-02-26 | 8552.82 | 未披露 | 定期报告 | 2010-02-18 |
| 2010-02-26 | 8580.70 | 未披露 |
更多>>
from December 31, 2008 to December 31, 2009
Issuance of nonvested shares and other
Exercise of stock options
Other stock transactions
Repurchase of common stock
|
2009-12-31 |
| 2009-02-27 | 8493.05 | 未披露 | 定期报告 | 2009-02-20 |
| 2009-02-27 | 8487.70 | 未披露 |
更多>>
from December 31, 2007 to December 31, 2008
Issuance of nonvested shares and other
Exercise of stock options
Other stock transactions
Repurchase of common stock
|
2008-12-31 |
| 2008-02-29 | 8622.26 | 未披露 | 定期报告 | 2008-02-22 |
| 2008-02-29 | 8663.00 | 未披露 |
更多>>
from December 31, 2006 to December 31, 2007
Issuance of nonvested shares and other
Exercise of stock options
Other stock transactions
Repurchase of common stock
|
2007-12-31 |
| 2007-03-01 | 8385.39 | 未披露 | 定期报告 | 2007-02-23 |
| 2007-03-01 | 8466.00 | 未披露 |
更多>>
from December 31, 2005 to December 31, 2006
Issuance of nonvested shares and other
Exercise of stock options
Other stock transactions
Repurchase of common stock
|
2006-12-31 |
| 2006-03-01 | 8385.36 | 未披露 | 定期报告 | 2006-02-23 |
| 2006-03-01 | 8380.40 | 未披露 |
更多>>
from December 31, 2004 to December 31, 2005
Issuance of restricted shares and other
Exercise of stock options
Other stock transactions
Treasury stock repurchases
|
2005-12-31 |
| 2005-03-14 | 8287.02 | 未披露 | 定期报告 | 2005-03-01 |
| 2005-03-14 | 8279.80 | 未披露 |
更多>>
from December 31, 2003 to December 31, 2004
Recognition of equity compensation
Issuance of restricted shares and other
Exercise of stock options
Other stock transactions
Treasury stock repurchases
|
2004-12-31 |
| 2004-03-12 | 8152.67 | 未披露 | 定期报告 | 2004-03-01 |
| 2004-03-12 | 8204.80 | 未披露 |
更多>>
from December 31, 2002 to December 31, 2003
Recognition of equity compensation
Issuance of restricted shares and other
Exercise of stock options
Other stock transactions
Treasury stock repurchases
|
2003-12-31 |
| 2003-03-26 | 8068.42 | 未披露 | 定期报告 | 2003-03-21 |
| 2003-03-26 | 8063.70 | 未披露 |
更多>>
from December 31, 2001 to December 31, 2002
Issuance of restricted stock
Exercise of stock options
Treasury stock repurchases
|
2002-12-31 |
| 2002-03-12 | 8050.04 | 未披露 | 定期报告 | 2002-03-01 |
| 2002-03-12 | 8020.40 | 未披露 |
更多>>
from December 31, 2000 to December 31, 2001
Exercise of stock options
Treasury stock repurchases
Effective as of the end of business on April 30, 2001, each share of our Class B common stock was converted into one share of Class A common stock.
|
2001-12-31 |
| 2001-03-19 | 7960.11 | 未披露 |
更多>>
On February 23, 2000, we declared a three-for-two stock split on ourClass A and Class B common stock payable on April 7, 2000 to stockholders of record as of March 17, 2000.
|
2001-03-06 |
| 2000-03-23 | 5594.87 | 未披露 | 定期报告 | 2000-03-03 |
| 1999-03-19 | 6149.20 | 未披露 | 定期报告 | 1999-02-26 |
| 1999-03-19 | 6281.84 | 未披露 |
更多>>
from December 31, 1997 to December 31, 1998
Issuance of restricted shares
IPO proceeds
Treasury stock repurchases
|
1998-12-31 |
From December 31, 2020 to March 31, 2021
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31,2019 to December 31,2020
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From June 30, 2020 to September 30, 2020
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from March 31, 2020 to June 30, 2020
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2019 to March 31, 2020
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2018 to December 31, 2019
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from June 30, 2019 to September 30, 2019
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2018 To June 30, 2019
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2018 To March 31, 2019
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2017 To December 31, 2018
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31, 2017 to September 30, 2018
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2017 to June 30, 2018
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2017 To March 31, 2018
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2016 To December 31, 2017
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2016 to September 30, 2017
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31, 2016 to June 30, 2017
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31, 2016 to March 31, 2017
Issuance of restricted share and other
Repurchase of common stock
From December 31, 2015 to December 31, 2016
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2015 to September 30, 2016
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2015 to June 30, 2016
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31, 2015 to March 31, 2016
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
From December 31, 2014 to December 31, 2015
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31, 2014 to September 30, 2015
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31, 2014 to June 30, 2015
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31, 2014 to March 31, 2015
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31, 2013 to December 31, 2014
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31, 2013 to September 30, 2014
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31, 2013 to June 30, 2014
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31,2013 to March 31, 2014
Net issuance/forfeiture of nonvested shares
Repurchase of common stock
from December 31,2012 to December 31,2013
Net issuance/forfeiture of nonvested shares
Exercise of stock options
Repurchase of common stock
from December 31, 2012 to September 30, 2013
Net issuance/forfeiture of nonvested shares
Exercise of stock options
Repurchase of common stock
From December 31, 2012 to June 30, 2013
Net issuance/forfeiture of nonvested shares
Exercise of stock options
Repurchase of common stock
from December 31, 2012 to March 31, 2013
Net issuance/forfeiture of nonvested shares
Exercise of stock options
Repurchase of common stock
from December 31, 2011 to December 31, 2012
Issuance of nonvested shares
Exercise of stock options
Repurchase of common stock
from December 31, 2011 to September 30, 2012
Issuance of nonvested shares
Repurchase of common stock
from December 31, 2011 to June 30, 2012
Issuance of nonvested shares
Repurchase of common stock
from Dec 31,2011 to Mar 31,2012
Issuance of nonvested shares
Repurchase of common stock
from December 31, 2010 to December 31, 2011
Issuance of nonvested shares
Exercise of stock options
Repurchase of common stock
from December 31, 2010 to September 30, 2011
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
From December 31, 2010 to June 30, 2011
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
from dec 31 2009 to dec 31 2010
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
from dec 31 2009 to sep 30 2010
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
from dec 31 2009 to Jun 30 2010
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
Issuance of nonvested shares and other
Exercise of stock options
Repurchase of common stock
from December 31, 2008 to December 31, 2009
Issuance of nonvested shares and other
Exercise of stock options
Other stock transactions
Repurchase of common stock
from December 31, 2007 to December 31, 2008
Issuance of nonvested shares and other
Exercise of stock options
Other stock transactions
Repurchase of common stock
from December 31, 2006 to December 31, 2007
Issuance of nonvested shares and other
Exercise of stock options
Other stock transactions
Repurchase of common stock
from December 31, 2005 to December 31, 2006
Issuance of nonvested shares and other
Exercise of stock options
Other stock transactions
Repurchase of common stock
from December 31, 2004 to December 31, 2005
Issuance of restricted shares and other
Exercise of stock options
Other stock transactions
Treasury stock repurchases
from December 31, 2003 to December 31, 2004
Recognition of equity compensation
Issuance of restricted shares and other
Exercise of stock options
Other stock transactions
Treasury stock repurchases
from December 31, 2002 to December 31, 2003
Recognition of equity compensation
Issuance of restricted shares and other
Exercise of stock options
Other stock transactions
Treasury stock repurchases
from December 31, 2001 to December 31, 2002
Issuance of restricted stock
Exercise of stock options
Treasury stock repurchases
from December 31, 2000 to December 31, 2001
Exercise of stock options
Treasury stock repurchases
Effective as of the end of business on April 30, 2001, each share of our Class B common stock was converted into one share of Class A common stock.
On February 23, 2000, we declared a three-for-two stock split on ourClass A and Class B common stock payable on April 7, 2000 to stockholders of record as of March 17, 2000.
from December 31, 1997 to December 31, 1998
Issuance of restricted shares
IPO proceeds
Treasury stock repurchases