| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2021 | 18 May 2021 | 000-03295 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Feb 2021 | 01 Feb 2021 | 000-03295 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2018 | 09 May 2018 | 000-03295 |