SEC EDGAR filings, ownership reports, and insider transactions for YI CHING YAU.
Recent SEC filings for YI CHING YAU including 4, 3.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Jun 2022 | 07 Jun 2022 | 001-35420 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 08 Jun 2022 | 06 Jun 2022 | 001-35420 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Nov 2020 | 16 Nov 2020 | 001-38959 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Aug 2020 | 16 Aug 2020 | 001-38959 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Jun 2020 | 03 Jun 2020 | 001-38959 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Dec 2019 | 12 Dec 2019 | 001-38959 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 15 Nov 2019 | 13 Nov 2019 | 001-38959 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 15 Nov 2019 | 09 Oct 2019 | 001-38959 |
YI CHING YAU files with the SEC under CIK 0001790097. This page aggregates EDGAR filings and related ownership activity.