| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | YIHENGIVA13GA1 | Feb 14, 2024 | |
| SC 13G/A | Report | YIHENGHOLI13GA2 | Feb 14, 2024 | |
| SC 13G/A | Report | YIHENGHOLI13GA1 | Feb 14, 2024 | |
| SC 13G | Report | YIHENGHOLI13G | Feb 14, 2024 | |
| SC 13G/A | Report | YIHENGNOAG13GA7 | Feb 14, 2024 | |
| SC 13G/A | Report | YIHENGACMR13GA2 | Feb 14, 2024 | |
| SC 13G/A | Report | YIHENGSGH13GA2 | Feb 14, 2024 | |
| SC 13G/A | Report | YIHENGSGH13GA1 | Feb 14, 2024 | |
| SC 13G | Report | YIHENGSGH13G | Feb 14, 2024 | |
| SC 13G | Report | YIHENG13GIVA | Feb 14, 2023 | |
| SC 13G/A | Report | YIHENG13GA3HIMX | Feb 14, 2023 | |
| SC 13G/A | Report | YIHENG13GONEA3 | Feb 14, 2023 | |
| SC 13G/A | Report | YIHENG13GA6NOAH | Feb 14, 2023 | |
| SC 13G/A | Report | YIHENG13GA1ACMR | Feb 14, 2023 | |
| SC 13G/A | Report | YIHENG13GA2HIMX | Mar 1, 2022 | |
| SC 13G/A | Report | YIHENG13GA1HIMX | Feb 14, 2022 | |
| SC 13G/A | Report | YIHENG13GA2ONE | Feb 14, 2022 | |
| SC 13G | Report | YIHENG13GACMR | Feb 14, 2022 | |
| SC 13G/A | Report | YIHENG13GANOAH | Feb 14, 2022 | |
| SC 13G/A | Report | YIHENG13GA1TOUR | Feb 16, 2021 | |
| SC 13G/A | Report | YIHENG13GA1ONE | Feb 16, 2021 | |
| SC 13G/A | Report | YIHENG13GA4NOAH | Feb 16, 2021 | |
| SC 13G/A | Report | YIHENG13GA1SIMO | Jan 8, 2021 | |
| SC 13G | Report | SC 13G | Aug 31, 2020 | |
| SC 13G/A | Report | SC 13G/A | Apr 27, 2020 | |
| SC 13G | Report | SC 13G | Apr 27, 2020 | |
| SC 13G | Report | SC 13G | Apr 6, 2020 | |
| SC 13G | Report | SC 13G | Mar 23, 2020 | |
| SC 13G/A | Report | SC 13G/A | Feb 14, 2020 | |
| SC 13G/A | Report | SC 13G/A1 | Oct 28, 2019 | |
| SC 13G | Report | SC 13G | Oct 28, 2019 | |
| SC 13D/A | Report | SC 13D/A | Dec 3, 2014 | |
| SC 13D/A | Report | SC 13D/A | Jul 31, 2014 | |
| SC 13D/A | Report | SC 13D/A | Jul 11, 2014 |