| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Oct 3, 2023 | Sep 28, 2023 | 000-26731 | |
| 4 | Open Document | Open Filing | May 25, 2023 | May 17, 2023 | 000-26731 | |
| 4 | Open Document | Open Filing | Mar 26, 2019 | Mar 20, 2019 | 000-26731 | |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D (BAN SIONG ANG) | May 14, 2018 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2018 | Apr 18, 2018 | 000-26731 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 1, 2016 | Aug 8, 2014 | 000-55068 |
| SC 13D | Open Document | Open Filing | Aug 1, 2016 |