| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 28 Dec 2021 | 24 Dec 2021 | 001-14605 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2020 | 29 Dec 2020 | 001-14605 |
| 3 | Open Document | Open Filing | FORM 3 | 22 Nov 2019 | 19 Nov 2019 | 001-14605 |