| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2021 | 26 Jul 2021 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2021 | 25 Jun 2021 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Apr 2021 | 09 Apr 2021 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2020 | 12 Jun 2020 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2019 | 13 Nov 2019 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2017 | 17 Feb 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2017 | 14 Feb 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2017 | 10 Feb 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2017 | 09 Feb 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2017 | 02 Feb 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2017 | 31 Jan 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2017 | 27 Jan 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2016 | 02 Sep 2016 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2014 | 24 Oct 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Oct 2014 | 20 Oct 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Oct 2014 | 16 Oct 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2014 | 15 Oct 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2014 | 10 Oct 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Oct 2014 | 10 Oct 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2014 | 29 Jul 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jul 2014 | 14 Jul 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jul 2014 | 11 Jul 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jul 2014 | 09 Jul 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jul 2014 | 10 Jul 2014 | 001-07865 |