| 类型/截止日期 | 2022-12-31 | 2020-06-08 | 2020-04-16 | 2019-12-31 | 2019-07-05 | 2019-02-11 | 2018-11-22 | 2018-06-30 | 2018-02-08 | 2017-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 70,905,600 | 70,905,600 | 70,905,600 | 70,905,600 | 70,905,600 | 70,905,600 | 70,905,600 | 70,905,600 | 70,905,600 | 70,905,600 |
| 流通股(股) | 36,849,750 | 37,665,100 | 37,260,350 | 37,240,350 | 40,545,600 | 40,153,350 | 39,707,350 | 39,650,350 | 39,674,850 | 39,672,600 |
| 流通A股(股) | 36,849,750 | 37,665,100 | 37,260,350 | 37,240,350 | 40,545,600 | 40,153,350 | 39,707,350 | 39,650,350 | 39,674,850 | 39,672,600 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 34,055,850 | 33,240,500 | 33,645,250 | 33,665,250 | 30,360,000 | 30,752,250 | 31,198,250 | 31,255,250 | 31,230,750 | 31,233,000 |
| 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) | 34,055,850 | 33,240,500 | 33,645,250 | 33,665,250 | 30,360,000 | 30,752,250 | 31,198,250 | 31,255,250 | 31,230,750 | 31,233,000 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 26,030,783 | 26,435,533 | 26,840,283 | 26,860,283 | 26,860,283 | 27,252,533 | 27,698,533 | 27,727,283 | 27,727,283 | 27,748,533 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | 26,030,783 | 26,435,533 | 26,840,283 | 26,860,283 | 26,860,283 | 27,252,533 | 27,698,533 | 27,727,283 | 27,727,283 | 27,748,533 |
| 高管持股(股) | 8,025,067 | 6,804,967 | 6,804,967 | 6,804,967 | 3,499,717 | 3,499,717 | 3,499,717 | 3,527,967 | 3,503,467 | 3,484,467 |
| 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 | 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 | 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 | 网下配售股份上市 | 高管股份变动 |
| 公告日期 | 2023-04-20 | 2020-06-03 | 2020-04-13 | 2020-04-20 | 2019-08-21 | 2019-01-30 | 2018-11-19 | 2018-08-20 | 2018-02-05 | 2018-04-16 |
| 变动日期 | 2022-12-31 | 2020-06-08 | 2020-04-16 | 2019-12-31 | 2019-07-05 | 2019-02-11 | 2018-11-22 | 2018-06-30 | 2018-02-08 | 2017-12-31 |