| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| 10-Q | Report | Data | 10-Q | Aug 7, 2024 | Jun 30, 2024 |
| 8-K | Report | Data | 8-K | Aug 7, 2024 | Aug 7, 2024 |
| 8-K | Report | Data | 8-K | Jun 20, 2024 | Jun 18, 2024 |
| 8-K | Report | Data | 8-K | Jun 17, 2024 | Jun 13, 2024 |
| 8-K | Report | Data | 8-K | May 17, 2024 | May 14, 2024 |
| 10-Q | Report | Data | 10-Q | May 8, 2024 | Mar 31, 2024 |
| 8-K | Report | Data | 8-K | May 8, 2024 | May 8, 2024 |
| 8-K | Report | Data | 8-K | Apr 26, 2024 | Apr 26, 2024 |
| 8-K | Report | Data | 8-K | Mar 21, 2024 | Mar 12, 2024 |
| 10-K | Report | Data | 10-K | Feb 28, 2024 | Dec 31, 2023 |
| 8-K | Report | Data | 8-K | Feb 28, 2024 | Feb 28, 2024 |
| SC 13G/A | Report | YIHENGACMR13GA2 | Feb 14, 2024 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| 8-K | Report | Data | 8-K | Feb 2, 2024 | Jan 26, 2024 |
| SC 13G | Report | Jan 26, 2024 | ||
| 8-K | Report | Data | 8-K | Jan 25, 2024 | Jan 25, 2024 |
| 8-K | Report | Data | 8-K | Jan 9, 2024 | Jan 9, 2024 |
| 8-K | Report | Data | 8-K | Jan 5, 2024 | Dec 21, 2023 |
| 8-K | Report | Data | 8-K | Dec 8, 2023 | Nov 13, 2023 |
| 10-Q | Report | Data | 10-Q | Nov 8, 2023 | Sep 30, 2023 |
| 8-K | Report | Data | 8-K | Nov 7, 2023 | Nov 7, 2023 |
| 8-K | Report | Data | 8-K | Oct 27, 2023 | Oct 27, 2023 |
| 8-K | Report | Data | 8-K | Sep 27, 2023 | Sep 27, 2023 |
| 8-K | Report | Data | 8-K | Sep 26, 2023 | Sep 20, 2023 |
| 8-K | Report | Data | 8-K | Sep 25, 2023 | Sep 12, 2023 |
| 10-Q | Report | Data | 10-Q | Aug 7, 2023 | Jun 30, 2023 |
| 8-K | Report | Data | 8-K | Aug 7, 2023 | Aug 4, 2023 |
| 8-K | Report | Data | 8-K | Jul 31, 2023 | Jul 25, 2023 |
| 8-K | Report | Data | 8-K | Jul 27, 2023 | Jul 21, 2023 |
| SC 13D/A | Report | Jul 18, 2023 | ||
| SC 13G/A | Report | Jul 18, 2023 | ||
| 8-K | Report | Data | 8-K | Jul 5, 2023 | Jun 27, 2023 |
| 8-K | Report | Data | 8-K | Jun 15, 2023 | Jun 15, 2023 |
| SC 13D | Report | Jun 13, 2023 | ||
| SC 13G | Report | Jun 13, 2023 | ||
| 8-K | Report | Data | 8-K | Jun 8, 2023 | Jun 2, 2023 |
| 10-Q | Report | Data | 10-Q | May 9, 2023 | Mar 31, 2023 |
| 8-K | Report | Data | 8-K | May 5, 2023 | May 5, 2023 |
| 8-K | Report | Data | 8-K | Apr 26, 2023 | Apr 26, 2023 |
| 8-K | Report | Data | 8-K | Apr 19, 2023 | Apr 10, 2023 |
| 10-K | Report | Data | 10-K | Mar 2, 2023 | Dec 31, 2022 |
| 8-K | Report | Data | 8-K | Feb 24, 2023 | Feb 24, 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 | |
| 8-K | Report | Data | 8-K | Feb 6, 2023 | Feb 6, 2023 |
| 8-K | Report | Data | 8-K | Jan 30, 2023 | Jan 30, 2023 |
| 8-K | Report | Data | 8-K | Jan 13, 2023 | Jan 10, 2023 |
| 8-K | Report | Data | 8-K | Jan 4, 2023 | Jan 3, 2023 |
| 8-K | Report | Data | 8-K | Dec 9, 2022 | Dec 5, 2022 |
| 10-Q | Report | Data | 10-Q | Nov 8, 2022 | Sep 30, 2022 |
| 8-K | Report | Data | 8-K | Nov 4, 2022 | Nov 4, 2022 |
| 8-K | Report | Data | 8-K | Oct 27, 2022 | Oct 27, 2022 |
| 8-K | Report | Data | 8-K | Oct 13, 2022 | Oct 13, 2022 |
| 8-K | Report | Data | 8-K | Sep 6, 2022 | Sep 2, 2022 |
| 10-Q | Report | Data | 10-Q | Aug 9, 2022 | Jun 30, 2022 |
| 8-K | Report | Data | 8-K | Aug 5, 2022 | Aug 5, 2022 |
| 8-K | Report | Data | 8-K | Jun 30, 2022 | Jun 30, 2022 |
| 8-K | Report | Data | 8-K | Jun 23, 2022 | Jun 20, 2022 |
| 8-K | Report | Data | 8-K | May 20, 2022 | May 9, 2022 |
| 8-K | Report | Data | 8-K | May 19, 2022 | May 16, 2022 |
| 10-Q | Report | Data | 10-Q | May 9, 2022 | Mar 31, 2022 |
| 8-K | Report | Data | 8-K | May 6, 2022 | May 6, 2022 |
| 10-K/A | Report | Data | 10-K/A | Apr 29, 2022 | Dec 31, 2021 |
| 8-K | Report | Data | 8-K | Apr 28, 2022 | Apr 27, 2022 |
| 8-K | Report | Data | 8-K | Apr 12, 2022 | Apr 10, 2022 |
| 8-K | Report | Data | 8-K | Mar 3, 2022 | Mar 3, 2022 |
| 8-K | Report | Data | 8-K | Mar 2, 2022 | Feb 25, 2022 |
| 10-K | Report | Data | 10-K | Mar 1, 2022 | Dec 31, 2021 |
| 8-K | Report | Data | 8-K | Feb 25, 2022 | Feb 25, 2022 |
| 8-K | Report | Data | 8-K | Feb 15, 2022 | Feb 11, 2022 |
| SC 13G | Report | YIHENG13GACMR | Feb 14, 2022 | |
| SC 13G/A | Report | MS AMENDMENT | Feb 9, 2022 | |
| 8-K | Report | Data | 8-K | Jan 18, 2022 | Jan 6, 2022 |
| 8-K | Report | Data | 8-K | Dec 10, 2021 | Nov 12, 2021 |
| 10-Q | Report | Data | 10-Q | Nov 8, 2021 | Sep 30, 2021 |
| 8-K | Report | Data | 8-K | Nov 4, 2021 | Nov 4, 2021 |
| 8-K | Report | Data | 8-K | Sep 8, 2021 | Sep 8, 2021 |
| 8-K | Report | Data | 8-K | Aug 20, 2021 | Aug 20, 2021 |
| SC 13G | Report | MS INITIAL | Aug 19, 2021 | |
| 8-K | Report | Data | 8-K | Aug 10, 2021 | Aug 5, 2021 |
| 10-Q | Report | Data | 10-Q | Aug 6, 2021 | Jun 30, 2021 |
| 8-K | Report | Data | 8-K | Jul 13, 2021 | Jul 13, 2021 |
| 8-K | Report | Data | 8-K | Jun 3, 2021 | Jun 2, 2021 |
| 8-K | Report | Data | 8-K | May 21, 2021 | May 18, 2021 |
| 10-Q | Report | Data | 10-Q | May 7, 2021 | Mar 31, 2021 |
| 8-K | Report | Data | 8-K | May 6, 2021 | May 6, 2021 |
| 10-K | Report | Data | 10-K | Mar 1, 2021 | Dec 31, 2020 |
| 8-K | Report | Data | 8-K | Feb 25, 2021 | Oct 28, 2020 |
| 8-K | Report | Data | 8-K | Feb 25, 2021 | Feb 25, 2021 |
| SC 13G/A | Report | SC 13G/A | Feb 12, 2021 | |
| 8-K | Report | Data | 8-K | Dec 15, 2020 | Dec 15, 2020 |
| 10-Q | Report | Data | 10-Q | Nov 9, 2020 | Sep 30, 2020 |
| 8-K | Report | Data | 8-K | Nov 5, 2020 | Nov 5, 2020 |
| 10-Q | Report | Data | 10-Q | Aug 10, 2020 | Jun 30, 2020 |
| 8-K | Report | 8-K | Aug 5, 2020 | Aug 5, 2020 |
| 8-K | Report | 8-K | Jul 7, 2020 | Jun 9, 2020 |
| 8-K | Report | 8-K | Jun 4, 2020 | Jun 2, 2020 |
| 8-K | Report | 8-K | Jun 1, 2020 | May 26, 2020 |
| SC 13G | Report | SC 13G | May 22, 2020 | |
| 8-K | Report | 8-K | May 13, 2020 | May 7, 2020 |
| 10-Q | Report | Data | 10-Q | May 8, 2020 | Mar 31, 2020 |
| 8-K | Report | 8-K | May 6, 2020 | May 6, 2020 |
| 8-K | Report | 8-K | Mar 27, 2020 | Mar 24, 2020 |
| 10-K | Report | Data | 10-K | Mar 24, 2020 | Dec 31, 2019 |
| 8-K | Report | 8-K | Mar 19, 2020 | Mar 18, 2020 |
| 8-K | Report | 8-K | Jan 14, 2020 | Jan 13, 2020 |
| 8-K | Report | 8-K | Dec 17, 2019 | Nov 29, 2019 |
| 8-K | Report | 8-K | Dec 6, 2019 | Dec 2, 2019 |
| 10-Q | Report | Data | 10-Q | Nov 13, 2019 | Sep 30, 2019 |
| 8-K | Report | 8-K | Nov 8, 2019 | Nov 4, 2019 |
| 8-K | Report | 8-K | Nov 7, 2019 | Nov 6, 2019 |
| 8-K | Report | CURRENT REPORT | Oct 25, 2019 | Sep 5, 2019 |
| 8-K | Report | 8-K | Aug 16, 2019 | Aug 14, 2019 |
| 8-K | Report | FORM 8-K | Aug 13, 2019 | Aug 13, 2019 |
| 10-Q | Report | Data | QUARTERLY REPORT | Aug 12, 2019 | Jun 30, 2019 |
| 8-K | Report | CURRENT REPORT | Aug 8, 2019 | Aug 7, 2019 |
| 8-K | Report | CURRENT REPORT | Jun 18, 2019 | Jun 12, 2019 |
| 8-K | Report | CURRENT REPORT | Jun 17, 2019 | Jun 17, 2019 |
| 8-K | Report | CURRENT REPORT | Jun 12, 2019 | Jun 6, 2019 |
| 10-K/A | Report | AMENDMENT NO. 1 | May 24, 2019 | Dec 31, 2018 |
| 10-Q | Report | Data | QUARTERY REPORT | May 14, 2019 | Mar 31, 2019 |
| 8-K | Report | CURRENT REPORT | May 7, 2019 | Nov 7, 2018 |
| 10-K | Report | Data | ANNUAL REPORT | Mar 14, 2019 | Dec 31, 2018 |
| 8-K | Report | CURRENT REPORT | Mar 8, 2019 | Mar 6, 2019 |
| 8-K | Report | CURRENT REPORT | Feb 8, 2019 | Feb 4, 2019 |
| 10-Q | Report | Data | QUARTERLY REPORT | Nov 14, 2018 | Sep 30, 2018 |
| 8-K | Report | CURRENT REPORT | Nov 7, 2018 | Nov 7, 2018 |
| 10-Q/A | Report | AMENDED QUARTERLY REPORT | Oct 15, 2018 | Jun 30, 2018 |
| 10-Q/A | Report | AMENDED QUARTERLY REPORT | Oct 15, 2018 | Mar 31, 2018 |
| 8-K | Report | CURRENT REPORT | Oct 15, 2018 | May 8, 2018 |
| 10-Q | Report | Data | QUARTERLY REPORT | Aug 9, 2018 | Jun 30, 2018 |
| 8-K | Report | CURRENT REPORT | Jul 3, 2018 | Jun 26, 2018 |
| 8-K | Report | CURRENT REPORT | Jun 20, 2018 | Jun 14, 2018 |
| 10-Q | Report | Data | QUARTERLY REPORT | May 14, 2018 | Mar 31, 2018 |
| 8-K | Report | CURRENT REPORT | May 1, 2018 | Apr 26, 2018 |
| 10-K | Report | Data | ANNUAL REPORT | Mar 23, 2018 | Dec 31, 2017 |
| 8-K | Report | CURRENT REPORT | Mar 9, 2018 | Mar 5, 2018 |
| 8-K | Report | FORM 8-K | Jan 22, 2018 | Jan 9, 2018 |
| 8-K | Report | 8-K | Jan 16, 2018 | Jan 9, 2018 |
| 10-Q | Report | Data | 10-Q | Dec 8, 2017 | Sep 30, 2017 |
| 8-K | Report | 8-K | Nov 14, 2017 | Nov 7, 2017 |
| 8-K | Report | 8-K | Nov 3, 2017 | Nov 2, 2017 |