| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | 001-31567 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2020 | 05 Aug 2020 | 001-31567 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2020 | 11 Jun 2020 | 001-31567 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2019 | 07 Jun 2019 | 001-31567 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2018 | 19 Jun 2018 | 001-31567 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jun 2017 | 13 Jun 2017 | 001-31567 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2016 | 03 Aug 2016 | 001-31567 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2015 | 03 Nov 2015 | 001-31567 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2015 | 16 Sep 2015 | 001-31567 |