| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | HENG CHEN | 01 Jul 2025 | 27 Jun 2025 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 03 Apr 2025 | 01 Apr 2025 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 02 Jul 2024 | 28 Jun 2024 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 03 Apr 2024 | 01 Apr 2024 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 31 Jul 2023 | 27 Jul 2023 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 05 Apr 2023 | 03 Apr 2023 | 001-31830 |
| 5 | Open Document | Open Filing | HENG CHEN | 01 Feb 2023 | 31 Dec 2022 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 31 May 2022 | 26 May 2022 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 01 Apr 2022 | 01 Apr 2022 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 03 Mar 2022 | 03 Mar 2022 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 26 Jul 2021 | 22 Jul 2021 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 05 Apr 2021 | 01 Apr 2021 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 17 Mar 2021 | 15 Mar 2021 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 05 Mar 2021 | 03 Mar 2021 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 18 Sep 2020 | 16 Sep 2020 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 03 Apr 2020 | 01 Apr 2020 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 22 Jul 2019 | 18 Jul 2019 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 13 Mar 2019 | 11 Mar 2019 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 05 Mar 2019 | 01 Mar 2019 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 03 Jan 2019 | 02 Jan 2019 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 19 Mar 2018 | 15 Mar 2018 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 13 Mar 2018 | 09 Mar 2018 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 05 Mar 2018 | 01 Mar 2018 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 03 Jan 2018 | 02 Jan 2018 | 001-31830 |
| 4 | Open Document | Open Filing | HENG CHEN | 28 Dec 2017 | 26 Dec 2017 | 001-31830 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2017 | 17 Feb 2017 | 001-31830 |
| 5 | Open Document | Open Filing | FORM 5 | 09 Feb 2017 | 31 Dec 2016 | 001-31830 |
| 4 | Open Document | Open Filing | FORM 4_HENG CHEN | 19 Dec 2016 | 15 Dec 2016 | 001-31830 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Nov 2016 | 14 Nov 2016 | 001-31830 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2016 | 14 Mar 2016 | 001-31830 |
| 5 | Open Document | Open Filing | FORM 5 | 12 Feb 2016 | 31 Dec 2015 | 001-31830 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Dec 2015 | 17 Dec 2015 | 001-31830 |
| 5 | Open Document | Open Filing | FORM 5 | 10 Feb 2015 | 31 Dec 2014 | 001-31830 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Dec 2014 | 18 Dec 2014 | 001-31830 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2014 | 22 Dec 2014 | 001-31830 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2014 | 08 May 2014 | 001-31830 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2014 | 13 Mar 2014 | 001-31830 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2014 | 31 Dec 2013 | 001-31830 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2014 | 18 Dec 2013 | 001-31830 |