| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2022 | 15 Aug 2022 | 001-14962 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Apr 2022 | 17 Apr 2022 | 001-14962 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2021 | 09 Dec 2021 | 001-14962 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2021 | 17 Mar 2021 | 001-14962 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2021 | 09 Nov 2020 | 001-14962 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Sep 2020 | 16 Sep 2020 | 001-14962 |