| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2021 | 10 Nov 2021 | 001-08359 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Oct 2021 | 15 Oct 2021 | 001-08359 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2020 | 09 Nov 2020 | 001-08359 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Oct 2020 | 15 Oct 2020 | 001-08359 |
| 3 | Open Document | Open Filing | FORM 3 | 31 Jan 2020 | 21 Jan 2020 | 001-08359 |