| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2021 | 30 Aug 2021 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2021 | 11 Aug 2021 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2021 | 10 Feb 2021 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2021 | 08 Feb 2021 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2021 | 05 Feb 2021 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2020 | 30 Aug 2020 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2020 | 25 Aug 2020 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2020 | 08 Feb 2020 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2020 | 06 Feb 2020 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2020 | 05 Feb 2020 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2019 | 30 Aug 2019 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2019 | 08 Feb 2019 | 001-14443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2019 | 06 Feb 2019 | 001-14443 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2018 | 30 Oct 2018 | 001-14443 |