| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2021 | 25 Aug 2021 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Apr 2021 | 31 Mar 2021 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2020 | 25 Aug 2020 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Dec 2019 | 02 Dec 2019 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2019 | 14 Aug 2019 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2018 | 23 Aug 2018 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Aug 2018 | 20 Aug 2018 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2018 | 09 May 2018 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Aug 2017 | 25 Aug 2017 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2017 | 17 Aug 2017 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Aug 2016 | 25 Aug 2016 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2015 | 09 Nov 2015 | 000-09068 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2015 | 25 Aug 2015 | 000-09068 |
| 4 | Open Document | Open Filing | 11 Mar 2015 | 10 Mar 2015 | 000-09068 | |
| 4 | Open Document | Open Filing | 20 Nov 2014 | 19 Nov 2014 | 000-09068 | |
| 4 | Open Document | Open Filing | 27 Aug 2014 | 26 Aug 2014 | 000-09068 |