| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2022 | 11 Mar 2022 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Feb 2022 | 24 Feb 2022 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2022 | 18 Feb 2022 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2021 | 24 Mar 2021 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2021 | 18 Feb 2021 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2020 | 11 Jun 2020 | 001-13901 |
| 3 | Open Document | Open Filing | FORM 3 | 01 Jun 2020 | 01 Jun 2020 | 001-13901 |