| 类型/截止日期 | 2022-12-31 | 2020-07-29 | 2018-12-31 | 2018-06-30 | 2018-01-04 | 2017-11-30 | 2017-07-20 | 2016-12-31 | 2016-06-27 | 2016-04-06 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 41,600,000 | 41,600,000 | 41,600,000 | 41,600,000 | 41,600,000 | 41,600,000 | 41,600,000 | 41,600,000 | 41,600,000 | 41,600,000 |
| 流通股(股) | 18,933,250 | 18,693,250 | 18,622,000 | 18,629,450 | 18,629,500 | 17,592,250 | 17,386,550 | 17,296,550 | 17,317,550 | 13,343,750 |
| 流通A股(股) | 18,933,250 | 18,693,250 | 18,622,000 | 18,629,450 | 18,629,500 | 17,592,250 | 17,386,550 | 17,296,550 | 17,317,550 | 13,343,750 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 22,666,750 | 22,906,750 | 22,978,000 | 22,970,550 | 22,970,500 | 24,007,750 | 24,213,450 | 24,303,450 | 24,282,450 | 28,256,250 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 41,600,000 | 41,600,000 | 41,600,000 | |||||||
| 三板B股(股) | - | - | - | |||||||
| 限售股份(股) | 22,666,750 | 22,906,750 | 22,978,000 | 22,970,550 | 22,970,500 | 24,007,750 | 24,213,450 | 24,303,450 | 24,282,450 | 28,256,250 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 7,735,000 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 2,917,000 | 7,735,000 |
| 高管持股(股) | 19,749,750 | 19,989,750 | 20,061,000 | 20,053,550 | 20,053,500 | 21,090,750 | 21,296,450 | 21,386,450 | 21,365,450 | 20,521,250 |
| 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 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动,首发限售股份上市 | 高管股份变动 |
| 公告日期 | 2023-04-13 | 2020-07-22 | 2019-04-29 | 2018-08-24 | 2017-12-29 | 2017-11-27 | 2017-07-17 | 2017-04-17 | 2016-06-22 | 2016-03-31 |
| 变动日期 | 2022-12-31 | 2020-07-29 | 2018-12-31 | 2018-06-30 | 2018-01-04 | 2017-11-30 | 2017-07-20 | 2016-12-31 | 2016-06-27 | 2016-04-06 |