| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2021 | 07 Dec 2021 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jan 2021 | 21 Jan 2021 | 001-16317 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jul 2020 | 01 Jul 2020 | 001-16317 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 09 Mar 2020 | 24 Jul 2019 | 001-35374 |