| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | Oct 22, 2024 | ||
| SC 13G/A | Report | YIHENGACMR13GA2 | Feb 14, 2024 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G | Report | Jan 26, 2024 | ||
| SC 13G/A | Report | Jul 18, 2023 | ||
| SC 13G | Report | Jun 13, 2023 | ||
| SC 13G/A | Report | YIHENG13GA1ACMR | Feb 14, 2023 | |
| SC 13G | Report | Feb 13, 2023 | ||
| SC 13G/A | Report | MS AMENDMENT | Feb 9, 2023 | |
| SC 13G | Report | SCHEDULE 13G | Feb 9, 2023 | |
| SC 13G/A | Report | MS AMENDMENT | Feb 8, 2023 | |
| SC 13G | Report | YIHENG13GACMR | Feb 14, 2022 | |
| SC 13G/A | Report | MS AMENDMENT | Feb 9, 2022 | |
| SC 13G | Report | MS INITIAL | Aug 19, 2021 | |
| SC 13G/A | Report | SC 13G/A | Feb 12, 2021 | |
| SC 13G | Report | SC 13G | May 22, 2020 |