| 类型/截止日期 | 2019-12-31 | 2018-06-12 | 2018-03-26 | 2017-12-31 | 2017-06-30 | 2016-06-02 | 2016-05-24 | 2016-01-14 | 2016-01-08 | 2015-09-22 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 49,300,000 | 49,300,000 | 49,300,000 | 49,300,000 | 49,300,000 | 49,300,000 | 42,500,000 | 42,500,000 | 42,500,000 | 42,500,000 |
| 流通股(股) | 37,307,500 | 38,164,000 | 37,959,600 | 28,592,600 | 28,718,700 | 28,979,700 | 24,982,500 | 21,982,500 | 19,307,500 | 22,307,500 |
| 流通A股(股) | 37,307,500 | 38,164,000 | 37,959,600 | 28,592,600 | 28,718,700 | 28,979,700 | 24,982,500 | 21,982,500 | 19,307,500 | 22,307,500 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 11,992,500 | 11,136,000 | 11,340,400 | 20,707,400 | 20,581,300 | 20,320,300 | 17,517,500 | 20,517,500 | 23,192,500 | 20,192,500 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 49,300,000 | 42,500,000 | 42,500,000 | 42,500,000 | 42,500,000 | |||||
| 三板B股(股) | - | - | - | - | - | |||||
| 限售股份(股) | 11,992,500 | 11,136,000 | 11,340,400 | 20,707,400 | 20,581,300 | 20,320,300 | 17,517,500 | 20,517,500 | 23,192,500 | 20,192,500 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 9,744,000 | 9,744,000 | 9,744,000 | 19,111,000 | 19,111,000 | 19,111,000 | 16,475,000 | 16,475,000 | 19,150,000 | 19,150,000 |
| 其中：境内法人持股 | - | - | - | 5,800,000 | 5,800,000 | 5,800,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 |
| 其他境内自然人持股 | 9,744,000 | 9,744,000 | 9,744,000 | 13,311,000 | 13,311,000 | 13,311,000 | 11,475,000 | 11,475,000 | 14,150,000 | 14,150,000 |
| 高管持股(股) | 2,248,500 | 1,392,000 | 1,596,400 | 1,596,400 | 1,470,300 | 1,209,300 | 1,042,500 | 4,042,500 | 4,042,500 | 1,042,500 |
| 外资持股合计(股) | - | - | - | - | - | - | - | - | - | - |
| 其中：境外法人持股 | - | - | - | - | - | - | - | - | - | - |
| 境外自然人持股 | - | - | - | - | - | - | - | - | - | - |
| 股本变动原因 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 转增股上市 | 高管股份变动 | 首发限售股份上市 | 高管股份变动 | 首发限售股份上市 |
| 公告日期 | 2020-04-30 | 2018-06-07 | 2018-03-21 | 2018-04-17 | 2017-08-03 | 2016-05-25 | 2016-05-25 | 2016-01-12 | 2016-01-12 | 2015-09-18 |
| 变动日期 | 2019-12-31 | 2018-06-12 | 2018-03-26 | 2017-12-31 | 2017-06-30 | 2016-06-02 | 2016-05-24 | 2016-01-14 | 2016-01-08 | 2015-09-22 |