| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 30 Sep 2021 | 30 Sep 2021 | 000-19279 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2019 | 31 Jul 2019 | 000-19279 |
| 5 | Open Document | Open Filing | FORM 5 | 18 Jan 2019 | 31 Dec 2018 | 000-19279 |