| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2021 | 10 Dec 2021 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2021 | 08 Dec 2021 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2021 | 18 Nov 2021 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2021 | 21 Aug 2021 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2020 | 10 Dec 2020 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2020 | 08 Dec 2020 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2020 | 04 Dec 2020 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2020 | 19 Nov 2020 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2020 | 21 Aug 2020 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2020 | 01 Jun 2020 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Mar 2020 | 28 Mar 2020 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2019 | 10 Dec 2019 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2019 | 08 Dec 2019 | 001-11689 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2019 | 21 Aug 2019 | 001-11689 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2019 | 21 Aug 2019 | 001-11689 |