| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2022 | 11 Feb 2022 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2022 | 04 Feb 2022 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2022 | 01 Feb 2022 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2022 | 31 Jan 2022 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2021 | 11 May 2021 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2021 | 22 Feb 2021 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2021 | 05 Feb 2021 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2021 | 02 Feb 2021 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jun 2020 | 09 Jun 2020 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2020 | 05 Jun 2020 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2020 | 04 Feb 2020 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2020 | 31 Jan 2020 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2019 | 05 Dec 2019 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2019 | 05 Nov 2019 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2019 | 05 Feb 2019 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2019 | 01 Feb 2019 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2018 | 06 Feb 2018 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2018 | 05 Feb 2018 | 001-08590 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2017 | 01 Jun 2017 | 001-08590 |