| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | 11 May 2021 | 07 May 2021 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Dec 2019 | 02 Dec 2019 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 Apr 2019 | 16 Apr 2019 | 000-23357 |
| 3 | Open Document | Open Filing | FORM 3 - | 26 Feb 2019 | 20 Feb 2019 | 000-23357 |