| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2021 | 18 May 2021 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2021 | 22 Feb 2021 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2020 | 06 May 2020 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2020 | 03 Apr 2019 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2019 | 08 May 2019 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2018 | 06 Jun 2018 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2018 | 09 May 2018 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2017 | 11 May 2017 | 000-01088 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2017 | 01 Jan 2017 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2016 | 12 May 2016 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2015 | 07 May 2015 | 000-01088 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2015 | 28 Dec 2014 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2014 | 08 May 2014 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2013 | 09 May 2013 | 000-01088 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2013 | 31 Dec 2012 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2012 | 10 May 2012 | 000-01088 |