| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | Feb 14, 2022 | ||
| SC 13G/A | Report | FORM SC 13G/A | Feb 11, 2022 | |
| SC 13G/A | Report | ZGYH 13GA 2 | Jan 10, 2022 | |
| 8-K | Report | Data | FORM 8-K | Nov 19, 2021 | Nov 18, 2021 |
| SC 13G/A | Report | ZGHY 13G/A | Nov 8, 2021 | |
| 10-K | Report | Data | 10-K | Oct 27, 2021 | Jun 30, 2021 |
| 8-K | Report | Data | FORM 8-K | Oct 25, 2021 | Oct 19, 2021 |
| SC 13G/A | Report | SCHEDULE 13G/A - AMENDMENT | Oct 15, 2021 | |
| 8-K | Report | FORM 8-K | Sep 14, 2021 | Sep 8, 2021 |
| 8-K | Report | 8-K | Aug 18, 2021 | Aug 13, 2021 |
| 10-Q | Report | Data | FORM 10-Q | Jul 30, 2021 | Mar 31, 2021 |
| 10-K/A | Report | Data | FORM 10-K/A | Jul 23, 2021 | Jun 30, 2020 |
| SC 13G/A | Report | SCHEDULE 13G/A - AMENDMENT | Jul 12, 2021 | |
| 8-K | Report | FORM 8-K | Jun 24, 2021 | Jun 21, 2021 |
| 8-K | Report | FORM 8-K | Jun 4, 2021 | Jun 4, 2021 |
| SC 13G | Report | SCHEDULE 13G | Jun 2, 2021 | |
| 8-K | Report | FORM 8-K | May 20, 2021 | May 14, 2021 |
| 8-K | Report | 8-K | May 17, 2021 | May 14, 2021 |
| 10-Q | Report | Data | FORM 10-Q | Feb 23, 2021 | Dec 31, 2020 |
| 8-K | Report | FORM 8-K | Feb 16, 2021 | Feb 10, 2021 |
| SC 13G | Report | Feb 16, 2021 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 12, 2021 | |
| SC 13G | Report | FORM SC 13G | Feb 11, 2021 | |
| SC 13G/A | Report | Feb 5, 2021 | ||
| 10-Q | Report | Data | FORM 10-Q | Nov 16, 2020 | Sep 30, 2020 |
| 10-K | Report | Data | FORM 10-K | Sep 28, 2020 | Jun 30, 2020 |
| SC 13G | Report | Jul 17, 2020 | ||
| 8-K | Report | 8-K | Jun 29, 2020 | Jun 23, 2020 |
| SC 13G | Report | ZGYH | May 29, 2020 | |
| 10-Q | Report | Data | FORM 10-Q | May 15, 2020 | Mar 31, 2020 |
| 8-K | Report | FORM 8-K | Apr 20, 2020 | Apr 15, 2020 |
| 8-K | Report | FORM 8-K | Mar 31, 2020 | Mar 31, 2020 |
| 8-K | Report | FORM 8-K | Feb 28, 2020 | Feb 24, 2020 |
| SC 13D | Report | SC 13D | Feb 28, 2020 | |
| 8-K | Report | FORM 8-K | Feb 24, 2020 | Feb 18, 2020 |
| SC 13G | Report | Feb 20, 2020 | ||
| 8-K | Report | FORM 8-K | Feb 18, 2020 | Feb 12, 2020 |