| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | 17 Sep 2021 | 10 Sep 2021 | 000-14942 | |
| 4 | Open Document | Open Filing | FORM 4 - | 16 May 2018 | 15 May 2018 | 000-21625 |
| 3 | Open Document | Open Filing | FORM 3 - | 16 May 2018 | 15 May 2018 | 000-21625 |