| 类型/截止日期 | 2022-12-31 | 2020-04-03 | 2019-09-23 | 2019-05-22 | 2019-03-26 | 2018-12-31 | 2018-09-05 | 2018-08-31 | 2018-06-27 | 2017-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 32,406,400 | 40,406,400 | 40,406,400 | 40,406,400 | 40,406,400 | 40,406,400 | 40,406,400 | 40,406,400 | 40,406,400 | 39,586,400 |
| 流通股(股) | 14,184,886 | 21,578,150 | 21,382,150 | 20,268,870 | 20,121,870 | 20,054,020 | 20,103,020 | 19,323,500 | 19,341,000 | 19,341,000 |
| 流通A股(股) | 14,184,886 | 21,578,150 | 21,382,150 | 20,268,870 | 20,121,870 | 20,054,020 | 20,103,020 | 19,323,500 | 19,341,000 | 19,341,000 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 18,221,514 | 18,828,250 | 19,024,250 | 20,137,530 | 20,284,530 | 20,352,380 | 20,303,380 | 21,082,900 | 21,065,400 | 20,245,400 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | ||||||||||
| 三板B股(股) | ||||||||||
| 限售股份(股) | 18,221,514 | 18,828,250 | 19,024,250 | 20,137,530 | 20,284,530 | 20,352,380 | 20,303,380 | 21,082,900 | 21,065,400 | 20,245,400 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 15,699,600 | 16,469,600 | 16,519,600 | 17,632,880 | 17,632,880 | 17,632,880 | 17,632,880 | 18,118,400 | 18,118,400 | 17,298,400 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | 15,699,600 | 16,469,600 | 16,519,600 | 17,632,880 | 17,632,880 | 17,632,880 | 17,632,880 | 18,118,400 | 18,118,400 | 17,298,400 |
| 高管持股(股) | 2,521,914 | 2,358,650 | 2,504,650 | 2,504,650 | 2,651,650 | 2,719,500 | 2,670,500 | 2,964,500 | 2,947,000 | 2,947,000 |
| 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 | 网下配售股份上市,高管股份变动 | 网下配售股份上市 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动,网下配售股份上市 | 高管股份变动 | 增发A股上市 | 高管股份变动 |
| 公告日期 | 2023-04-20 | 2020-03-30 | 2019-09-18 | 2019-05-16 | 2019-03-21 | 2019-04-24 | 2018-08-31 | 2018-08-31 | 2018-06-22 | 2018-04-19 |
| 变动日期 | 2022-12-31 | 2020-04-03 | 2019-09-23 | 2019-05-22 | 2019-03-26 | 2018-12-31 | 2018-09-05 | 2018-08-31 | 2018-06-27 | 2017-12-31 |