| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Nov 2021 | 15 Nov 2021 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2021 | 30 Apr 2021 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2019 | 14 May 2019 | 001-13445 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 11 Apr 2019 | 01 Apr 2019 | 001-13445 |