股本结构
单位：万股
| 公告日期 | 2019-02-21 | 2012-08-03 | 2012-07-02 | 2012-02-29 | 2011-11-07 | 2011-08-08 |
|---|---|---|---|---|---|---|
| 证券总股本 | 10053.06 | 8683.11 | 8840.52 | 8680.82 | 8657.35 | 8643.42 |
| 普通股本 | 10053.06 | 8683.11 | 8840.52 | 8680.82 | 8657.35 | 8643.42 |
| 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 | 2018-09-30 | 2012-06-30 | 2012-06-22 | 2011-12-31 | 2011-08-02 | 2011-06-30 |
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 |
|---|---|---|---|---|
| 2022-08-08 | 10053.06 | 未披露 | 定期报告 | 2022-08-01 |
| 2019-02-21 | 10053.06 | 未披露 |
更多>>
From December 31, 2017 to September 30,2018
Exchange offer impact
|
2018-09-30 |
| 2012-08-03 | 8683.11 | 未披露 |
更多>>
from December 31, 2011 to June 30, 2012
Exercise of stock options
|
2012-06-30 |
| 2012-07-02 | 8840.52 | 未披露 | 定期报告 | 2012-06-22 |
| 2012-02-29 | 8680.82 | 未披露 |
更多>>
from December 31, 2010 to December 31, 2011
Issuance of common stock to directors
Vesting of non-vested stock awards
Issuance of stock from treasury
Purchase of treasury stock
|
2011-12-31 |
| 2011-11-07 | 8657.35 | 未披露 |
更多>>
from December 31, 2010 to August 2, 2011
Issuance of common stock to Directors
Vesting of non-vested stock awards
Issuance of stock from treasury
Purchase of treasury stock
|
2011-08-02 |
| 2011-08-08 | 8643.42 | 未披露 |
更多>>
from December 31, 2010 to June 30, 2011
Issuance of common stock to Directors
Vesting of non-vested stock awards
Issuance of stock from treasury
Purchase of treasury stock
|
2011-06-30 |
| 2011-03-07 | 8641.38 | 未披露 |
更多>>
from December 31, 2009 to December 31, 2010
Issuance of common stock to Directors
Vesting of non-vested stock awards
Issuance of stock from treasury
Purchase of treasury stock
|
2010-12-31 |
| 2010-11-03 | 8634.73 | 未披露 | 定期报告 | 2010-11-01 |
| 2010-08-06 | 8634.31 | 未披露 | 定期报告 | 2010-06-30 |
| 2010-03-12 | 8632.92 | 未披露 |
更多>>
from December 31, 2008 to December 31, 2009
Issuance of common stock to Directors
Vesting of non-vested stock awards
|
2009-12-31 |
| 2009-03-13 | 8624.37 | 未披露 | 定期报告 | 2009-03-10 |
| 2008-03-28 | 8614.13 | 未披露 |
更多>>
from January 1, 2007 to December 31, 2007
Change from partnership to corporate reporting structure
Issuance of common stock in exchange for minority interest of related party
Public offering of common stock, net of stock issuance costs of $39,873,655
Purchase of common stock by employees through share purchase program
Issuance of common stock to employees
|
2007-12-31 |
From December 31, 2017 to September 30,2018
Exchange offer impact
from December 31, 2011 to June 30, 2012
Exercise of stock options
from December 31, 2010 to December 31, 2011
Issuance of common stock to directors
Vesting of non-vested stock awards
Issuance of stock from treasury
Purchase of treasury stock
from December 31, 2010 to August 2, 2011
Issuance of common stock to Directors
Vesting of non-vested stock awards
Issuance of stock from treasury
Purchase of treasury stock
from December 31, 2010 to June 30, 2011
Issuance of common stock to Directors
Vesting of non-vested stock awards
Issuance of stock from treasury
Purchase of treasury stock
from December 31, 2009 to December 31, 2010
Issuance of common stock to Directors
Vesting of non-vested stock awards
Issuance of stock from treasury
Purchase of treasury stock
from December 31, 2008 to December 31, 2009
Issuance of common stock to Directors
Vesting of non-vested stock awards
from January 1, 2007 to December 31, 2007
Change from partnership to corporate reporting structure
Issuance of common stock in exchange for minority interest of related party
Public offering of common stock, net of stock issuance costs of $39,873,655
Purchase of common stock by employees through share purchase program
Issuance of common stock to employees