SEC EDGAR filings, ownership reports, and insider transactions for WONG Frederick.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2022 | 31 Dec 2021 | 000-30264 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Apr 2017 | 28 Aug 2015 | 000-30264 |