| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2022 | 29 Dec 2021 | 001-40913 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2020 | 20 Jan 2020 | 000-55205 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2017 | 05 Feb 2016 | 000-55205 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2015 | 26 Aug 2015 | 000-55205 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2015 | 11 Feb 2015 | 000-55205 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2014 | 15 Jul 2014 | 000-55205 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Jul 2014 | 15 Jul 2014 | 000-55205 |