| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 7, 2021 | Oct 5, 2021 | 001-34719 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2021 | Mar 12, 2021 | 001-34719 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2020 | Oct 1, 2020 | 001-34719 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 16, 2019 | Oct 14, 2019 | 001-34719 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 31, 2018 | Oct 29, 2018 | 001-34719 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 31, 2018 | Oct 29, 2018 | 001-34719 |