股本结构
单位：万股
| 公告日期 | 2016-01-14 | 2015-10-14 | 2015-08-27 | 2015-04-14 | 2015-04-14 | 2015-01-15 |
|---|---|---|---|---|---|---|
| 证券总股本 | 4556.67 | 4555.42 | 4555.22 | 4533.94 | 4529.96 | 4457.18 |
| 普通股本 | 4556.67 | 4555.42 | 4555.22 | 4533.94 | 4529.96 | 4457.18 |
| 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 | 2015-11-30 | 2015-08-31 | 2015-05-31 | 2015-04-13 | 2015-02-28 | 2015-01-14 |
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 |
|---|---|---|---|---|
| 2016-01-14 | 4556.67 | 未披露 | 定期报告 | 2015-11-30 |
| 2015-10-14 | 4555.42 | 未披露 | 定期报告 | 2015-08-31 |
| 2015-08-27 | 4555.22 | 未披露 |
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From May 31, 2014 to May 31, 2015
Issuance of common shares
Exercise of stock options
|
2015-05-31 |
| 2015-04-14 | 4533.94 | 未披露 | 定期报告 | 2015-04-13 |
| 2015-04-14 | 4529.96 | 未披露 |
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from May 31, 2014 to February 28, 2015
Issuance of common shares
Common shares issued upon exercise of stock options
|
2015-02-28 |
| 2015-01-15 | 4457.18 | 未披露 | 定期报告 | 2015-01-14 |
| 2014-10-10 | 4398.04 | 未披露 |
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from May 31, 2014 to August 31, 2014
Issuance of common shares
Common shares issued upon exercise of stock options
|
2014-08-31 |
| 2014-08-28 | 3965.75 | 未披露 | 定期报告 | 2014-08-18 |
| 2014-08-13 | 3961.08 | 未披露 | 定期报告 | 2014-08-12 |
| 2014-06-09 | 3144.95 | 未披露 | 定期报告 | 2014-06-09 |
From May 31, 2014 to May 31, 2015
Issuance of common shares
Exercise of stock options
from May 31, 2014 to February 28, 2015
Issuance of common shares
Common shares issued upon exercise of stock options
from May 31, 2014 to August 31, 2014
Issuance of common shares
Common shares issued upon exercise of stock options