| 类型/截止日期 | 2023-02-20 | 2022-12-31 | 2020-05-08 | 2018-04-16 | 2018-03-13 | 2018-03-02 | 2018-01-11 | 2017-12-31 | 2017-08-15 | 2017-07-20 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 55,460,000 | 55,460,000 | 55,460,000 | 55,460,000 | 55,460,000 | 55,460,000 | 55,460,000 | 55,460,000 | 55,460,000 | 55,460,000 |
| 流通股(股) | 55,415,750 | 40,879,650 | 41,132,450 | 38,964,350 | 38,956,350 | 38,549,250 | 37,797,000 | 37,157,000 | 37,435,874 | 37,375,874 |
| 流通A股(股) | 55,415,750 | 40,879,650 | 41,132,450 | 38,964,350 | 38,956,350 | 38,549,250 | 37,797,000 | 37,157,000 | 37,435,874 | 37,375,874 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 44,250 | 14,580,350 | 14,327,550 | 16,495,650 | 16,503,650 | 16,910,750 | 17,663,000 | 18,303,000 | 18,024,126 | 18,084,126 |
| 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) | 44,250 | 14,580,350 | 14,327,550 | 16,495,650 | 16,503,650 | 16,910,750 | 17,663,000 | 18,303,000 | 18,024,126 | 18,084,126 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | - | 3,844,400 | 3,984,400 | 4,170,400 | 4,178,400 | 4,178,400 | 4,178,400 | 4,178,400 | 4,178,400 | 4,178,400 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | - | 3,844,400 | 3,984,400 | 4,170,400 | 4,178,400 | 4,178,400 | 4,178,400 | 4,178,400 | 4,178,400 | 4,178,400 |
| 高管持股(股) | 44,250 | 10,735,950 | 10,343,150 | 12,325,250 | 12,325,250 | 12,732,350 | 13,484,600 | 14,124,600 | 13,845,726 | 13,905,726 |
| 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 | 股份性质变更 | 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 | 高管股份变动 | 网下配售股份上市 |
| 公告日期 | 2023-02-15 | 2023-03-02 | 2020-04-29 | 2018-04-11 | 2018-03-08 | 2018-02-27 | 2018-01-08 | 2018-03-26 | 2017-08-10 | 2017-07-17 |
| 变动日期 | 2023-02-20 | 2022-12-31 | 2020-05-08 | 2018-04-16 | 2018-03-13 | 2018-03-02 | 2018-01-11 | 2017-12-31 | 2017-08-15 | 2017-07-20 |