| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2021 | 05 Aug 2021 | 001-13490 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jul 2021 | 24 Jun 2021 | 001-13490 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jul 2020 | 08 Jul 2020 | 001-13490 |
| 3 | Open Document | Open Filing | FORM 3 | 23 Apr 2020 | 21 Apr 2020 | 001-13490 |