| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2021 | 02 Jun 2021 | 000-54677 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2020 | 16 Jun 2020 | 000-54677 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2020 | 14 May 2020 | 000-54677 |
| 3 | Open Document | Open Filing | FORM 3 | 01 Nov 2019 | 21 Oct 2019 | 000-54677 |