| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2022 | 31 Aug 2022 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2022 | 17 Aug 2022 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2022 | 23 Feb 2022 | 001-16247 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2021 | 02 Jan 2021 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2019 | 20 Feb 2019 | 001-16247 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2019 | 29 Dec 2018 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2018 | 21 Feb 2018 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2017 | 26 Sep 2017 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2017 | 23 Feb 2017 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2016 | 14 Nov 2016 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2016 | 24 Feb 2016 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Sep 2015 | 22 Sep 2015 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2015 | 25 Feb 2015 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2014 | 19 Feb 2014 | 001-16247 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2014 | 28 Dec 2013 | 001-16247 |