| 类型/截止日期 | 2022-12-31 | 2020-03-09 | 2020-03-04 | 2019-12-31 | 2018-12-31 | 2018-02-07 | 2017-06-30 | 2016-03-14 | 2016-03-09 | 2015-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 39,260,000 | 39,260,000 | 39,260,000 | 39,260,000 | 39,260,000 | 39,260,000 | 35,000,000 | 35,000,000 | 35,000,000 | 35,000,000 |
| 流通股(股) | 16,269,550 | 16,803,500 | 16,136,833 | 16,283,083 | 17,257,333 | 17,321,833 | 13,061,833 | 13,073,833 | 12,407,166 | 12,418,416 |
| 流通A股(股) | 16,269,550 | 16,803,500 | 16,136,833 | 16,283,083 | 17,257,333 | 17,321,833 | 13,061,833 | 13,073,833 | 12,407,166 | 12,418,416 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 22,990,450 | 22,456,500 | 23,123,167 | 22,976,917 | 22,002,667 | 21,938,167 | 21,938,167 | 21,926,167 | 22,592,834 | 22,581,584 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 35,000,000 | 35,000,000 | 35,000,000 | |||||||
| 三板B股(股) | - | - | - | |||||||
| 限售股份(股) | 22,990,450 | 22,456,500 | 23,123,167 | 22,976,917 | 22,002,667 | 21,938,167 | 21,938,167 | 21,926,167 | 22,592,834 | 22,581,584 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 18,666,667 | 18,666,667 | 19,333,334 | 19,333,334 | 19,333,334 | 19,333,334 | 19,333,334 | 19,333,334 | 20,000,001 | 20,000,001 |
| 其中：境内法人持股 | - | - | 666,667 | 666,667 | 666,667 | 666,667 | 666,667 | 666,667 | 1,333,334 | 1,333,334 |
| 其他境内自然人持股 | 18,666,667 | 18,666,667 | 18,666,667 | 18,666,667 | 18,666,667 | 18,666,667 | 18,666,667 | 18,666,667 | 18,666,667 | 18,666,667 |
| 高管持股(股) | 4,323,783 | 3,789,833 | 3,789,833 | 3,643,583 | 2,669,333 | 2,604,833 | 2,604,833 | 2,592,833 | 2,592,833 | 2,581,583 |
| 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 | 首发限售股份上市 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 增发A股上市,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 | 高管股份变动 |
| 公告日期 | 2023-04-28 | 2020-03-04 | 2020-03-04 | 2020-04-27 | 2019-04-19 | 2018-04-20 | 2017-08-18 | 2016-03-09 | 2016-03-09 | 2016-04-08 |
| 变动日期 | 2022-12-31 | 2020-03-09 | 2020-03-04 | 2019-12-31 | 2018-12-31 | 2018-02-07 | 2017-06-30 | 2016-03-14 | 2016-03-09 | 2015-12-31 |