股本结构
单位：万股
| 公告日期 | 2019-03-21 | 2019-02-08 | 2018-05-11 | 2018-03-01 | 2018-03-01 | 2017-05-04 |
|---|---|---|---|---|---|---|
| 证券总股本 | 3342.26 | 3342.26 | 3328.32 | 3328.32 | 3314.24 | 3315.26 |
| 普通股本 | 3342.26 | 3342.26 | 3328.32 | 3328.32 | 3314.24 | 3315.26 |
| 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 | 2019-03-13 | 2019-01-16 | 2018-03-31 | 2018-02-19 | 2017-12-31 | 2017-03-31 |
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 |
|---|---|---|---|---|
| 2019-03-21 | 3342.26 | 未披露 | 定期报告 | 2019-03-13 |
| 2019-02-08 | 3342.26 | 未披露 | 定期报告 | 2019-01-16 |
| 2018-05-11 | 3328.32 | 未披露 |
更多>>
from December 31, 2017 to March 31, 2018
Issuance of restricted stock awards, net of forfeitures
Repurchase and retirement of common stock
|
2018-03-31 |
| 2018-03-01 | 3328.32 | 未披露 | 定期报告 | 2018-02-19 |
| 2018-03-01 | 3314.24 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
|
2017-12-31 |
| 2017-05-04 | 3315.26 | 未披露 |
更多>>
from December 31, 2016 to March 31, 2017
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
|
2017-03-31 |
| 2017-03-30 | 1828.30 | 未披露 | 定期报告 | 2017-03-21 |
| 2017-03-01 | 3315.26 | 未披露 | 定期报告 | 2017-02-21 |
| 2017-03-01 | 3301.46 | 未披露 |
更多>>
from December 31, 2015 to December 31, 2016
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
|
2016-12-31 |
| 2016-05-02 | 3301.46 | 未披露 |
更多>>
from December 31, 2015 to March 31, 2016
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
|
2016-03-31 |
| 2016-03-04 | 3301.46 | 未披露 | 定期报告 | 2016-02-26 |
| 2015-05-01 | 3286.17 | 未披露 |
更多>>
from December 31, 2014 to March 31, 2015
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
|
2015-03-31 |
| 2015-03-06 | 3290.49 | 未披露 | 定期报告 | 2015-02-27 |
| 2014-05-01 | 3275.13 | 未披露 |
更多>>
from December 31, 2013 to March 31, 2014
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
|
2014-03-31 |
| 2014-03-07 | 3275.13 | 未披露 | 定期报告 | 2014-02-28 |
| 2014-03-07 | 3260.72 | 未披露 |
更多>>
from December 31, 2012 to December 31, 2013
Issuance of nonvested stock awards, net of forfeitures
Conversion of Class A common stock to common stock
Repurchase and retirement of common stock
|
2013-12-31 |
| 2013-11-07 | 3261.69 | 未披露 |
更多>>
from December 31, 2012 to September 30, 2013
Issuance of nonvested stock awards, net of forfeitures
Conversion of Class A common stock to common stock
Repurchase and retirement of common stock
|
2013-09-30 |
| 2013-05-10 | 3263.00 | 未披露 |
更多>>
from December 31, 2012 to February 28, 2013
Issuance of nonvested stock awards, net of forfeitures
Conversion of Class A common stock to common stock
Repurchase and retirement of common stock
|
2013-02-28 |
| 2012-03-09 | 3249.85 | 未披露 |
更多>>
from December 31, 2011 to February 24, 2012
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
|
2012-02-24 |
| 2012-03-09 | 3236.65 | 未披露 |
更多>>
from January 1, 2011 to December 31, 2011
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
|
2011-12-31 |
| 2011-03-04 | 3240.10 | 未披露 | 定期报告 | 2011-02-25 |
| 2010-08-06 | 3224.02 | 未披露 | 定期报告 | 2010-06-30 |
| 2010-03-05 | 3224.72 | 未披露 | 定期报告 | 2010-02-26 |
| 2010-03-05 | 3206.44 | 未披露 |
更多>>
From December 31, 2008 to December 31, 2009
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
|
2009-12-31 |
| 2009-03-06 | 3206.78 | 未披露 | 定期报告 | 2009-02-27 |
| 2009-03-06 | 3181.27 | 未披露 |
更多>>
From December 31, 2007 to December 31, 2008
Proceeds from stock options exercised
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
Conversion of Class A common stock to common stock
|
2008-12-31 |
| 2008-03-07 | 3177.15 | 未披露 | 定期报告 | 2008-02-29 |
| 2008-03-07 | 3174.10 | 未披露 |
更多>>
From December 31, 2006 to December 31, 2007
Repurchase and retirement of common stock
Proceeds from stock options exercised
Issuance of nonvested stock awards, net of forfeitures
|
2007-12-31 |
| 2007-03-06 | 3264.59 | 未披露 | 定期报告 | 2007-02-28 |
| 2007-03-06 | 3241.70 | 未披露 |
更多>>
From December 31, 2005 to December 31, 2006
Repurchase and retirement of common stock
Proceeds from stock options exercised
Issuance of nonvested stock awards, net of forfeitures
Conversion of Class A common stock to common stock
Three-for-two stock split
|
2006-12-31 |
| 2006-03-09 | 2158.11 | 未披露 | 定期报告 | 2006-02-28 |
| 2006-03-09 | 2389.46 | 未披露 |
更多>>
From December 31, 2004 to December 31, 2005
Issuance of restricted stock awards, net of forfeitures
Conversion of Class A common stock to common stock
|
2005-12-31 |
| 2005-03-10 | 2390.39 | 未披露 | 定期报告 | 2005-02-28 |
| 2005-03-10 | 2383.89 | 未披露 |
更多>>
From December 31, 2003 to December 31, 2004
Issuance of restricted stock awards
Conversion of Class A common stock to common stock
Repurchase and retirement of common stock
|
2004-12-31 |
| 2004-03-09 | 2647.82 | 未披露 |
更多>>
From December 31, 2002 to December 31, 2003
Repurchase and retirement of common stock
|
2003-12-31 |
| 2003-03-13 | 2655.81 | 未披露 | 定期报告 | 2003-02-28 |
| 2003-03-13 | 2664.81 | 未披露 |
更多>>
From December 31, 2001 to December 31, 2002
Spin-off transaction
Proceeds from stock options exercised
Conversion of Class A common stock to common stock
|
2002-12-31 |
from December 31, 2017 to March 31, 2018
Issuance of restricted stock awards, net of forfeitures
Repurchase and retirement of common stock
from December 31, 2016 to December 31, 2017
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
from December 31, 2016 to March 31, 2017
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
from December 31, 2015 to December 31, 2016
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
from December 31, 2015 to March 31, 2016
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
from December 31, 2014 to March 31, 2015
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
from December 31, 2013 to March 31, 2014
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
from December 31, 2012 to December 31, 2013
Issuance of nonvested stock awards, net of forfeitures
Conversion of Class A common stock to common stock
Repurchase and retirement of common stock
from December 31, 2012 to September 30, 2013
Issuance of nonvested stock awards, net of forfeitures
Conversion of Class A common stock to common stock
Repurchase and retirement of common stock
from December 31, 2012 to February 28, 2013
Issuance of nonvested stock awards, net of forfeitures
Conversion of Class A common stock to common stock
Repurchase and retirement of common stock
from December 31, 2011 to February 24, 2012
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
from January 1, 2011 to December 31, 2011
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
From December 31, 2008 to December 31, 2009
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
From December 31, 2007 to December 31, 2008
Proceeds from stock options exercised
Issuance of nonvested stock awards, net of forfeitures
Repurchase and retirement of common stock
Conversion of Class A common stock to common stock
From December 31, 2006 to December 31, 2007
Repurchase and retirement of common stock
Proceeds from stock options exercised
Issuance of nonvested stock awards, net of forfeitures
From December 31, 2005 to December 31, 2006
Repurchase and retirement of common stock
Proceeds from stock options exercised
Issuance of nonvested stock awards, net of forfeitures
Conversion of Class A common stock to common stock
Three-for-two stock split
From December 31, 2004 to December 31, 2005
Issuance of restricted stock awards, net of forfeitures
Conversion of Class A common stock to common stock
From December 31, 2003 to December 31, 2004
Issuance of restricted stock awards
Conversion of Class A common stock to common stock
Repurchase and retirement of common stock
From December 31, 2002 to December 31, 2003
Repurchase and retirement of common stock
From December 31, 2001 to December 31, 2002
Spin-off transaction
Proceeds from stock options exercised
Conversion of Class A common stock to common stock