| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 04 Apr 2022 | 31 Mar 2022 | 001-15465 | |
| 4 | Open Document | Open Filing | 04 Oct 2021 | 30 Sep 2021 | 001-15465 | |
| 4 | Open Document | Open Filing | 02 Jul 2021 | 30 Jun 2021 | 001-15465 | |
| 4 | Open Document | Open Filing | 01 Apr 2021 | 31 Mar 2021 | 001-15465 | |
| 4 | Open Document | Open Filing | 12 Mar 2021 | 10 Mar 2021 | 001-15465 | |
| 3 | Open Document | Open Filing | 16 Jan 2019 | 10 Jan 2019 | 000-50296 |