| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2021 | 06 May 2021 | 001-34055 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2021 | 29 Jan 2021 | 001-06412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2020 | 17 Jan 2019 | 001-34055 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2020 | 28 Aug 2018 | 001-34055 |
| 4 | Open Document | Open Filing | 03 Dec 2019 | 27 Nov 2019 | 001-08266 | |
| 3 | Open Document | Open Filing | FORM 3 | 02 Jan 2019 | 01 Jan 2019 | 001-08266 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2018 | 19 Jul 2018 | 001-06412 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2015 | 26 May 2015 | 333-146442 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2015 | 31 Mar 2015 | 001-06412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Dec 2014 | 19 Dec 2014 | 001-06412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2014 | 30 Jun 2014 | 001-06412 |