SEC EDGAR filings, ownership reports, and insider transactions for Bosun Hau.
Recent SEC filings for Bosun Hau including 4, 3, 3/A.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Jun 2021 | 02 Jun 2021 | 001-39011 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Jun 2020 | 04 Jun 2020 | 001-39011 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jan 2020 | 23 Jan 2020 | 001-38381 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 06 Aug 2019 | 02 Aug 2019 | 001-39011 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 06 Aug 2019 | 02 Aug 2019 | 001-39011 |
| 3/A | Open 3/A document | View SEC filing for 3/A | FORM 3/A | 03 Jun 2019 | 22 May 2019 | 001-38916 |
| 3/A | Open 3/A document | View SEC filing for 3/A | 3/A | 23 May 2019 | 22 May 2019 | 001-38916 |
| 3 | Open 3 document | View SEC filing for 3 | 3 | 22 May 2019 | 22 May 2019 | 001-38916 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 25 Jan 2019 | 23 Jan 2019 | 001-38381 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2018 | 06 Jun 2018 | 001-38381 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Jun 2018 | 04 Jun 2018 | 001-38381 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2018 | 18 May 2018 | 001-36498 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Apr 2018 | 24 Apr 2018 | 001-38381 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Mar 2018 | 06 Feb 2018 | 001-36498 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 13 Feb 2018 | 06 Feb 2018 | 001-36498 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 07 Feb 2018 | 07 Feb 2018 | 001-38381 |
Bosun Hau files with the SEC under CIK 0001730224. This page aggregates EDGAR filings and related ownership activity.