SEC EDGAR filings, ownership reports, and insider transactions for Hangjun Zhan.
Recent SEC filings for Hangjun Zhan including 4, 3.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Aug 2021 | 27 Aug 2021 | 001-36225 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Jan 2021 | 22 Jan 2021 | 001-36225 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jan 2021 | 17 Jan 2021 | 001-36225 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jan 2020 | 22 Jan 2020 | 001-36225 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Jan 2020 | 17 Jan 2020 | 001-36225 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2019 | 01 Feb 2019 | 001-36225 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jan 2019 | 22 Jan 2019 | 001-36225 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jan 2018 | 22 Jan 2018 | 001-36225 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 24 Jan 2018 | 22 Jan 2018 | 001-36225 |
Hangjun Zhan files with the SEC under CIK 0001719057. This page aggregates EDGAR filings and related ownership activity.