| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Mar 2025 | 13 Mar 2025 | 000-09143 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Mar 2025 | 13 Mar 2025 | 000-09143 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Dec 2016 | 28 Dec 2016 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2015 | 24 Dec 2015 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2015 | 03 Nov 2015 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Dec 2014 | 23 Dec 2014 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2014 | 09 Jan 2014 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Dec 2013 | 23 Dec 2013 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2013 | 22 Oct 2013 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2013 | 09 Jan 2013 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jan 2013 | 07 Jan 2013 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2012 | 23 Oct 2012 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Oct 2012 | 17 Oct 2012 | 000-00619 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2012 | 09 Jan 2012 | 000-00619 |