SEC EDGAR filings, ownership reports, and insider transactions for Ling Zeng.
Recent SEC filings for Ling Zeng including 4, 3.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | 4 | 09 Feb 2024 | 07 Feb 2024 | 001-40657 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2023 | 28 Feb 2023 | 001-40657 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Oct 2022 | 27 Oct 2022 | 001-40657 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Apr 2022 | 31 Mar 2022 | 001-40657 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 01 Apr 2022 | 28 Mar 2022 | 001-40657 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 29 Dec 2021 | 28 Dec 2021 | 001-36281 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Dec 2021 | 15 Dec 2021 | 001-36281 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Sep 2021 | 15 Sep 2021 | 001-36281 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 12 Jan 2021 | 12 Jan 2021 | 001-36281 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Oct 2020 | 01 Oct 2020 | 001-36281 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 16 Sep 2020 | 16 Sep 2020 | 001-36281 |
Ling Zeng files with the SEC under CIK 0001824252. This page aggregates EDGAR filings and related ownership activity.