| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2021 | 26 Aug 2021 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2021 | 25 Aug 2021 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2021 | 22 Aug 2021 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2020 | 28 Aug 2020 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2020 | 23 Aug 2020 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2020 | 25 Aug 2020 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2020 | 22 Aug 2020 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2019 | 04 Nov 2019 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2019 | 28 Aug 2019 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2019 | 26 Aug 2019 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2019 | 22 Aug 2019 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2019 | 01 Jul 2019 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2018 | 27 Aug 2018 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2018 | 24 Aug 2018 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2018 | 22 Aug 2018 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2018 | 22 Aug 2018 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2018 | 21 Aug 2018 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2018 | 27 Feb 2018 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2017 | 25 Aug 2017 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2017 | 23 Aug 2017 | 001-13988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Aug 2017 | 20 Aug 2017 | 001-13988 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2016 | 10 Nov 2016 | 001-13988 |