| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Sep 2021 | 07 Sep 2021 | 001-13387 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Sep 2021 | 03 Sep 2021 | 001-13387 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2019 | 21 Nov 2019 | 001-13387 |
| 3 | Open Document | Open Filing | FORM 3 | 13 Sep 2016 | 06 Sep 2016 | 001-13387 |