SEC EDGAR filings, ownership reports, and insider transactions for Weidong Chen.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 12 Dec 2023 | 08 Dec 2023 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2023 | 25 Feb 2023 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2023 | 01 Jan 2023 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2022 | 09 May 2022 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2022 | 25 Feb 2022 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2022 | 01 Jan 2022 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Sep 2021 | 07 Sep 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Aug 2021 | 16 Aug 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jul 2021 | 21 Jul 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jun 2021 | 23 Jun 2021 | 001-38324 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 05 May 2021 | 23 Feb 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Apr 2021 | 09 Apr 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2021 | 02 Mar 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2021 | 25 Feb 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2021 | 23 Feb 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Feb 2021 | 04 Feb 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2021 | 04 Jan 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jan 2021 | 01 Jan 2021 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Feb 2020 | 25 Feb 2020 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2020 | 01 Jan 2020 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Nov 2019 | 06 Nov 2019 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Feb 2019 | 05 Feb 2019 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2019 | 01 Jan 2019 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2018 | 30 Apr 2018 | 001-38324 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Mar 2018 | 08 Mar 2018 | 001-38324 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 14 Dec 2017 | 14 Dec 2017 | 001-38324 |