| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2022 | 15 Feb 2022 | 001-13648 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Feb 2022 | 14 Feb 2022 | 001-13648 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2022 | 10 Feb 2022 | 001-13648 |
| 4 | Open Document | Open Filing | 4 | 16 Feb 2021 | 11 Feb 2021 | 001-13648 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2020 | 13 Feb 2020 | 001-13648 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Feb 2019 | 13 Feb 2019 | 001-13648 |
| 3 | Open Document | Open Filing | 21 Feb 2018 | 15 Feb 2018 | 001-13648 |