| 类型/截止日期 | 2022-06-30 | 2019-12-31 | 2018-12-31 | 2018-06-30 | 2018-01-19 | 2017-06-30 | 2017-01-18 | 2016-02-22 | 2015-08-27 | 2015-05-13 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 21,500,000 | 21,500,000 | 21,500,000 | 21,500,000 | 21,500,000 | 21,500,000 | 21,500,000 | 21,500,000 | 21,500,000 | 20,000,000 |
| 流通股(股) | 8,949,500 | 9,743,750 | 10,043,750 | 10,437,500 | 10,877,000 | 10,781,000 | 11,768,750 | 11,765,750 | 11,750,000 | 10,250,000 |
| 流通A股(股) | 8,949,500 | 9,743,750 | 10,043,750 | 10,437,500 | 10,877,000 | 10,781,000 | 11,768,750 | 11,765,750 | 11,750,000 | 10,250,000 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 12,550,500 | 11,756,250 | 11,456,250 | 11,062,500 | 10,623,000 | 10,719,000 | 9,731,250 | 9,734,250 | 9,750,000 | 9,750,000 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 21,500,000 | 21,500,000 | 21,500,000 | 20,000,000 | ||||||
| 三板B股(股) | - | - | - | - | ||||||
| 限售股份(股) | 12,550,500 | 11,756,250 | 11,456,250 | 11,062,500 | 10,623,000 | 10,719,000 | 9,731,250 | 9,734,250 | 9,750,000 | 9,750,000 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 4,953,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | 4,953,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 | 4,800,000 |
| 高管持股(股) | 7,597,500 | 6,956,250 | 6,656,250 | 6,262,500 | 5,823,000 | 5,919,000 | 4,931,250 | 4,934,250 | 4,950,000 | 4,950,000 |
| 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 | 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 | 增发A股上市 | 首发限售股份上市 |
| 公告日期 | 2022-08-31 | 2020-04-28 | 2019-04-10 | 2018-07-30 | 2018-01-16 | 2017-08-07 | 2017-01-13 | 2016-02-17 | 2015-08-24 | 2015-05-08 |
| 变动日期 | 2022-06-30 | 2019-12-31 | 2018-12-31 | 2018-06-30 | 2018-01-19 | 2017-06-30 | 2017-01-18 | 2016-02-22 | 2015-08-27 | 2015-05-13 |