| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 08 Feb 2022 | 07 Feb 2022 | 001-10647 | |
| 4 | Open Document | Open Filing | 07 Oct 2021 | 04 Oct 2021 | 001-10647 | |
| 4 | Open Document | Open Filing | 09 Jun 2021 | 04 Jun 2021 | 001-10647 | |
| 3 | Open Document | Open Filing | 21 May 2019 | 17 May 2019 | 001-10647 |