| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Jul 2023 | 20 Jun 2023 | 811-01731 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2014 | 12 Mar 2014 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2014 | 18 Feb 2014 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2014 | 13 Feb 2014 | 000-04887 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2014 | 10 Feb 2014 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2014 | 10 Feb 2014 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2014 | 31 Jan 2014 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2014 | 17 Jan 2014 | 000-04887 |