| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Nov 2021 | 01 Nov 2021 | 001-08061 | |
| 4 | Open Document | Open Filing | 24 Mar 2021 | 22 Mar 2021 | 001-08061 | |
| 4 | Open Document | Open Filing | 05 Nov 2020 | 01 Nov 2019 | 001-08061 |